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Oceanic ATOM 2.0 Operating Manual

Other manuals for ATOM 2.0: Operating Manual
Manual is about: wireless personal dive watch computer

Summary of ATOM 2.0

  • Page 3

    3 contents warranty, notices, decompression model .................................................................................................... 7 initial activation ...................................................................................................................................

  • Page 4

    4 contents (continued) dive computer surface sequence and operating modes ...................................................................... 39 surface mode ..............................................................................................................................................

  • Page 5

    5 contents (continued) set tmt1 (transmitter 1 link code) .................................................................................................................... 70 set tmt (transmitter) 2-3 use ...............................................................................................

  • Page 6

    6 contents (continued) switching gas mixes and buddy pressure check .................................................................................... 119 switching gas mixes (norm only) .............................................................................................................. ...

  • Page 7

    7 limited two-year warranty for details, refer to the product warranty registration card provided. Register on-line at www.Oceanicworldwide.Com copyright notice this operating manual is copyrighted, all rights are reserved. It may not, in whole or in part, be copied, photocopied, reproduced, transla...

  • Page 8

    8 beginning with firmware revision 2e, atom watch/dive computers are placed in a deep sleep mode prior to being shipped from the factory. The intent is to extend storage life of the battery for up to 7 years, before the unit is initially placed in service. In this mode, date and time are updated as ...

  • Page 9

    9 warning: prior to diving with the atom 2.0, you must also read and understand the oce- anic dive computer safety and reference manual, doc. No. 12-2262, which provides important warnings and safety recommenda- tions as well as general product information. Introduction and general features and disp...

  • Page 10

    10 introduction welcome to oceanic and thank you for choosing the atom 2.0 ! It is extremely important that you read this operating manual in sequence and understand it completely before attempting to use the atom 2.0 as a dive computer. It is equally important that you read the oceanic dive compute...

  • Page 11

    11 operating mode structure unless it is operating in dive computer mode, the atom will be on in the default watch main time (home time) mode (fig. 1), like a standard watch, until the mode is changed. The m button is used to access 4 other modes that include alternate time mode, countdown timer, ch...

  • Page 12

    12 operation as a dive computer the atom 2.0, hereafter referred to as the atom, features 3 dive computer (dc) operating modes, norm (fig. 2a) which is used for air and nitrox dives, gaug (fig. 2b) used for dives in which nitrogen-oxygen calculations are not performed, and free (fig. 2c) used for ac...

  • Page 13

    13 pc interface interface with a pc is accomplished by connecting the atom to a pc usb port using the usb interface cable provided. The same cable is used for upload and download. The software program is on the cd provided, together with a usb driver. The program's help serves as the user manual and...

  • Page 14

    14 audible alarm most warning situations that activate the audible alarm while operating in norm or gaug mode cause the atom to emit 1 beep per second for 10 seconds, or until the situation is corrected, or it is acknowledged by momentarily pressing and releasing the s button (less than 2 seconds). ...

  • Page 15

    15  tissue loading bar graph at the segment set point selected.  norm/gaug ascent rate exceeds 60 fpm (18 mpm) when deeper than 60 ft (18 m), or 30 fpm (9 mpm) at 60 ft (18 m) and shallower.  loss of the active transmitter link signal for more than 15 seconds during a dive.  entry into decompres...

  • Page 16

    16 during the following norm dive situations, the 10 second continuous tone will be fol- lowed by a 5 second steady beep that will not turn off when acknowledged -  ascending above a required decompression ceiling stop depth for more than 5 minutes (referred to as a delayed violation).  decompress...

  • Page 17

    17  if voltage of the atom decreases to the warning level (2.75 volts), the battery icon will appear on surface display screens (fig. 3a) as an indication that the battery should be changed prior to commencing a series of dives.  if the atom's voltage decreases to the alarm level (2.50 volts), the...

  • Page 18

    18 to check the condition of the atom or a transmitter's battery if norm or gaug mode is selected, depress the s button for 2 seconds while viewing the norm, gaug, or free surface main display, then release it.  as the button is depressed, the atom's receiver will activate, if in norm or gaug mode....

  • Page 19

    19 watch features and displays warning: prior to diving with the atom, you must also read and understand the oce- anic dive computer safety and reference manual, doc. No. 12-2262, which provides important warnings and safety recommenda- tions as well as general product information..

  • Page 20

    20 local default time watch main time (fig. 7) is the current time at your home location and is normally selected as the local default time. The normal watch screen sequence accessed with momentary presses (less than 2 seconds each) of the m button is - main time > alternate time > countdown timer >...

  • Page 21

    21 while viewing any of the watch mode displays, pressing and holding the m button for 2 seconds or if no button is pressed for 2 minutes, operation will revert to the watch time screen se- lected to be the local default watch time (main or alternate). Main time, information displayed includes: > ti...

  • Page 22

    22 set main time this mode allows the date and time of day to be set which will also serve as the basis for alternate time values. There are 3 time set screens - set hour format, set time of day, and set date. Note: main time must be selected as the local default time in order to set the time and da...

  • Page 23

    23  pressing and releasing the s button momentarily ( seconds) will toggle the flashing setting between 12 and 24.  pressing the a button momentarily ( the hour format set point and access the set time screen with the hour set point flashing (fig. 11).  hint - pressing the a button repeatedly ( t...

  • Page 24

    24 displayed on the set date screen will be the graphic year, month and day (or day and month if set for metric) with the year set point flashing (fig. 13).  depressing and holding the s button while the year set point is flashing will scroll through the set points in 1 year increments at a rate of...

  • Page 25

    25  depressing and holding the s button while the day set point is flashing will scroll through the set points in one day (01) increments at a rate of 4 per second from 1 to 31.  pressing and releasing the a button momentarily ( seconds) will save the set point and/or advance to the main time scre...

  • Page 26

    26  pressing and releasing the m button momentarily and repeatedly ( watch modes.  pressing and releasing the s button ( silence and acknowledge the daily alarm (if its set and it sounds).  depressing the s button for 2 seconds will interchange alternate time with main time making alternate time ...

  • Page 27

    27  depressing and holding the s button while the set point is flashing will scroll through the set points in increments of 1 hour at a rate of 4 per second.  pressing and releasing the a button momentarily ( seconds) will save the set point and/or advance to the alternate time screen.  depressin...

  • Page 28

    28 when a set countdown time reaches 0:00, the audible alarm will beep 10 times and the red led warning light will flash.  pressing and releasing the s button ( acknowledge and silence the alarm.  pressing and releasing the s button ( silence and acknowledge the daily alarm (if its set and it soun...

  • Page 29

    29  depressing and holding the s button while the minutes set point is flashing will scroll through the set points in 1 minute increments at a rate of 4 per second from :00 to :59 (min).  pressing and releasing the a button momentarily ( seconds) will save the minutes set point and/or advance to t...

  • Page 30

    30  during the first 4 seconds the 1/100th second values will be displayed, then 2 dashes ( . - - ) will be displayed. The 1/100th values will be recorded and displayed when laps are frozen and when later recalled.  subsequent pressing and releasing of the s button ( seconds each) will freeze lap ...

  • Page 31

    31 upon descending on a dive, the chronograph operation will be terminated and reset to 0:00:00.0. Daily alarm when set on, the daily alarm will sound the audible alarm and flash the red led at the time set every day.  pressing the m button momentarily 4 times ( each time) while the main time scree...

  • Page 32

    32  if no button is pressed during a period of 2 minutes, the unit will revert to the local default watch time screen. Set daily alarm, information provided includes (fig. 24): > alarm icon > graphics alrm and set. > alarm time previously set (hr:min) with the hour set point flashing.  depressing ...

  • Page 33

    33 dive computer features and displays warning: prior to diving with the atom, you must also read and understand the oce- anic dive computer safety and reference manual, doc. No. 12-2262, which provides important warnings and safety recommenda- tions as well as general product information..

  • Page 34

    34 bar graph the atom features one shared bar graph that represents either nitrogen loading, or when accessed, oxygen accumulation. By default the bar graph (fig. 25a), referred to as the tissue loading bar graph (tlbg), represents your relative no decom- pression or decompression status. As your de...

  • Page 35

    35 displays associated with oxygen and the o2 bar graph will be displayed if fo2 for any gas (1, 2, or 3) has been set at a value other than 'air' (e.G., a numerical value) and the alternate screen that displays oxygen related data is accessed. When the oxygen data screen is accessed during a norm d...

  • Page 36

    36 while you cannot provide a guarantee against the occurrence of decompression sickness, you may choose your own personal zone of caution based upon age, physique, excessive weight, etc., to reduce the statistical risk. Within the available norm mode parameters that can be set (described later) are...

  • Page 37

    37 during a no decompression safety stop, the set stop depth (fig. 30a) is displayed and during a decompression condition, the required ceiling stop depth is displayed. Time and date displays time of day and norm/gaug mode displays are shown in hour:minute format (i.E., 1:16 represents 1 hour and 16...

  • Page 38

    38 temperature display ambient temperature can be viewed on the surface and during dives by accessing a secondary display (fig. 32a). The lowest temperature recorded during each norm/gaug dive is recorded in the log for that dive. Note: each display represents unique pieces of information. It is imp...

  • Page 39

    39 dive computer surface sequence and operating modes warning: prior to diving with the atom, you must also read and understand the oce- anic dive computer safety and reference manual, doc. No. 12-2262, which provides important warnings and safety recommenda- tions as well as general product informa...

  • Page 40

    40 dive computer (dc) operating modes as described on page 12, the atom features 3 selectable dc operating modes -  norm - for normal air or nitrox dives  gaug - for dives with no nitrogen/oxygen calculations (once a dive is made in gaug mode, the atom is locked into that operating dive mode for 2...

  • Page 41

    41 if a dive has been conducted within the past 24 hours, the surf main screen for that operating mode (norm, gaug, or free) will be displayed. At any time while operating in surface modes, the atom will enter dive mode upon descent to 5 ft (1.5 m).  during the 2 hour pre dive surface period, if th...

  • Page 42

    42 when the 10 minute surface time has elapsed, the local default watch time screen (main or alternate time) will replace the surface mode display. The surf main screen can then be accessed by pressing the m button for 2 seconds. Norm surf main, information provided includes (fig. 35): > link symbol...

  • Page 43

    43 norm surf main - button operations:  pressing the l button will activate the backlight.  pressing and releasing the a button repeatedly ( each time) will step through the norm surface sequence - surf > plan > fly > sat > log > history.  depressing and holding the a button for 2 seconds will ac...

  • Page 44

    44  depressing and holding the s button for 2 seconds while viewing the norm surface screen will activate the atom's receiver and access a series of screens that will indicate the status of the system's batteries and pressures of the tanks in use. Transmitter battery status is not displayed for tmt...

  • Page 45

    45 transmitter status, information includes: > graphics tmt1 (then tmt2 and tmt3), identifying the reporting transmitter, and bat. > graphic good or lo, or notavail (fig. 38a/38b) > battery icon, if a low battery warning condition exists. Flashing if an alarm condition exists. > link icon and tank p...

  • Page 46

    46 norm surf alternate, information includes (fig. 40): > bar graph representing oxygen accumulation with the o2bg icon. > link symbol, if the atom's receiver is successfully linked with a transmitter. > altitude level graphic sea (or el2 through el7). > battery icon if an atom low battery warning c...

  • Page 47

    47 norm and gaug surface set modes norm/gaug set mode sequence: surf main > set f > set a > set u > atom serial number. Access and step through of the sequence is gained by repeated simultaneous 2 second presses of the a and s buttons. Alarms (set a) and utilities (set u) set points can also be set/...

  • Page 48

    48 setting fo2 for norm nitrox dives: for each value of fo2, the maximum operating depth (mod) that can be achieved for the po2 alarm set point limit previously set, will be displayed. When the fo2 50% default is set on and fo2 gas 1 is set for a numerical value, 10 minutes on the surface after that...

  • Page 49

    49 maximum operating depths affected by the po2 limit set will not be displayed when fo2 for gas 1 is set to air. Internally, the atom keeps track of the oxygen loading so that if fo2 for gas 1 is subsequently set for a numerical value, the oxygen loading for previous air dives will be accounted for...

  • Page 50

    50 set fo2 gas 1, information includes: > graphic gas1 > po2 alarm set point with graphic po2 > symbol fo2 and fo2 set point value, flashing > tank 1 icon representing gas 1 > symbol nitrox (if set for a numerical value). > max depth allowed for the po2 alarm set (if 21 to 50%)  depressing and hold...

  • Page 51

    51  depressing and holding the m button for 2 seconds or if no button is pressed for a period of 2 minutes operation will revert to the norm or gaug surf main screen. Set fo2 gas 2, information includes: > graphic gas2 > po2 alarm set point with graphic po2 > symbol fo2 and fo2 set point value, fla...

  • Page 52

    52  pressing and releasing the a button momentarily and repeatedly ( screens.  depressing the a and s buttons simultaneously for 2 seconds will save the setting and revert back to the set f screen.  depressing and holding the m button for 2 seconds or if no button is pressed for a period of 2 min...

  • Page 53

    53  depressing and holding the s button will resume the scroll through 100%, then stop at air (or 21 or the gas2 setting).  pressing and releasing the s button ( advance fo2 in increments of 1% per press of the button.  pressing and releasing the a button momentarily ( seconds) will save the sett...

  • Page 54

    54  pressing and releasing the a button momentarily ( seconds) will save the setting and revert to the set f screen.  pressing and releasing the a button momentarily and repeatedly ( screens.  depressing and holding the m button for 2 seconds or if no button is pressed for a period of 2 minutes o...

  • Page 55

    55 set audible alarm this option allows the audible alarms and the associated red warning led function to be disabled. Some cautionary situations will cause the audible alarm to sound and the led to flash even if this feature is set to off. Set audible alarm information includes (fig. 48): > graphic...

  • Page 56

    56 set depth alarm information includes (fig. 49): > graphic dpth > symbols max and ft (or m) > set point graphic value, flashing.  pressing and releasing the s button momentarily ( seconds) will step through the set points from 30 to 330 ft (10 to 100 m) in 10 ft (1 m) increments at a rate of 1 se...

  • Page 57

    57 set edt (elapsed dive time) alarm information includes (fig. 50): > graphic edt > symbols dive and time. > set point value (hr:min), flashing.  pressing and releasing the s button momentarily ( seconds) will increase the set point from 0:10 to 3:00 (hours:minutes) in 5 minute (:05) increments. ...

  • Page 58

    58 set tlbg (tissue loading bar graph) alarm information includes (fig. 51): > graphic tlbg > tlbg set point (segments), flashing.  pressing and releasing the s button momentarily ( seconds) will decrease the set point from all 5 segments (deco) to 1 in increments of 1 segment.  depressing and hol...

  • Page 59

    59 set dtr (dive time remaining) alarm information includes (fig. 52): > graphic dtr > symbols air, time, ndc, and o2. > set point value, flashing.  pressing and releasing the s button momentarily ( seconds) will increase the set point from 0:00 to 0:20 (:minutes) in 1 minute (0:01) increments.  d...

  • Page 60

    60 set turn pressure alarm (for transmitter 1 only) information includes (fig. 53): > graphic turn > set point off or a numeric value, flashing. > symbol psi (or m)  pressing and releasing the s button momentarily ( seconds) will step through the set points from off to 1000 to 3000 psi (70 to 205 b...

  • Page 61

    61 set end pressure alarm information includes (fig. 54): > graphic end > set point numeric value, flashing. > symbol psi (or m)  pressing and releasing the s button momentarily ( seconds) will increase the set point from 300 to 1500 psi (20 to 105 bar) in 100 psi (5 bar) increments.  depressing a...

  • Page 62

    62 set po2 alarm information includes (fig. 55): > graphics po2 and ata > set point value, flashing. > symbol max  pressing and releasing the s button momentarily ( seconds) will increase the set point from 1.20 (ata) to 1.60 (ata) in .10 (ata) increments.  depressing and holding the s button will...

  • Page 63

    63 set u group (utilities) set u sequence: set u > wet activation > units > safety stop > conservative factor > backlight duration > sampling rate > tmt 1 > tmt 2-3 use > tmt 2 (or bud 1) > tmt 3 (or bud 2). Hint: the set u group can also be set/changed using the pc settings upload program. Free mod...

  • Page 64

    64 set wet activation information includes (fig. 57): > graphic wet > set point graphic on (or off) flashing.  pressing and releasing the s button will toggle between on and off.  pressing and releasing the a button momentarily ( seconds) will save the setting and/or advance to the set units scree...

  • Page 65

    65 set units information includes (fig. 58): > graphic unit > set point symbols/graphics psi, f, and ft (or bar, c, and m), flashing.  pressing and releasing the s button will toggle between imperial (f, ft, psi) and metric (c, m, bar).  pressing and releasing the a button momentarily ( seconds) w...

  • Page 66

    66 set norm safety stop information includes (fig. 59): > graphic safe > symbols stop and time. > safety stop time set point, flashing. > safety stop depth set point and symbol ft (or m).  pressing and releasing the s button momentarily ( seconds each time) will step through the stop time set point...

  • Page 67

    67  depressing and holding the m button for 2 seconds or if no button is pressed for a period of 2 minutes operation will revert to the norm or gaug surf main screen. Set conservative factor information includes (fig. 60): > graphic cons > set point on (or off), flashing. > symbols time and ndc.  ...

  • Page 68

    68 note: when the conservative factor is set on, the no deco limit times are reduced to values equivalent to those that would be available at the next higher 3000 foot (915 meter) altitude. Refer to the tables on pages 166/167. Set backlight duration information includes (fig. 61): > graphic glo. > ...

  • Page 69

    69 hint: to change the duration while operating in free mode, first access the norm surf mode. Set sampling rate information includes (fig. 62): > graphic samp > symbol time. > set point, flashing.  pressing and releasing the s button momentarily ( seconds) will step through the set points of 2, 15...

  • Page 70

    70 set tmt 1 information includes (fig. 63): > graphics tmt1 and on (or off) flashing. > set point (transmitter's serial number (link code).  pressing and releasing the s button momentarily ( seconds) will toggle between on and off.  pressing and releasing the a button momentarily ( seconds) will ...

  • Page 71

    71  pressing and releasing the s button momentarily and repeatedly ( time) will increase the third digit from 0 to 9 in increments of 1.  depressing and holding the s button will scroll through the set points at a rate of 4 per second.  pressing and releasing the a button ( code and/or advance to...

  • Page 72

    72 set tmt 2-3 use information includes (fig. 64): > graphics tmt and 2-3 use. > set point graphic self (or bud) flashing.  pressing and releasing the s button momentarily ( seconds) will toggle between self and bud.  pressing and releasing the a button momentarily ( seconds) will accept the setti...

  • Page 73

    73 set tmt 2 (or bud 1) information includes (fig. 65): > graphics tmt2 (or bud1) and on (or off) flashing. > set point (transmitter's serial number (link code)).  pressing and releasing the s button momentarily ( seconds) will toggle between on and off.  pressing and releasing the a button moment...

  • Page 74

    74  pressing and releasing the s button momentarily and repeatedly ( time) will increase the third digit from 0 to 9 in increments of 1.  depressing and holding the s button will scroll through the set points at a rate of 4 per second.  pressing and releasing the a button ( code and/or advance to...

  • Page 75

    75 set tmt 3 (or bud 2) information includes (fig. 66): > graphics tmt3 (or bud2), and on (or off) flashing. > set point (transmitter's serial number (link code)).  pressing and releasing the s button momentarily ( seconds) will toggle between on and off.  pressing and releasing the a button momen...

  • Page 76

    76  pressing and releasing the s button momentarily and repeatedly ( time) will increase the third digit from 0 to 9 in increments of 1.  depressing and holding the s button will scroll through the set points at a rate of 4 per second.  pressing and releasing the a button ( code and/or advance to...

  • Page 77

    77 serial number (atom)  depressing the a and s buttons simultaneously for 8 seconds while viewing the norm surf main screen will access the atom's serial number screen displaying (fig. 67): > graphic sn > factory programmed serial number of the atom. > firmware revision number (e.G., graphic r1a)....

  • Page 78

    78 norm plan mode oceanic strongly recommends that you review the pre dive planning se- quence (pdps) prior to every norm dive to help you plan your dive as required to avoid exceeding no decompression or oxygen exposure limits. This is especially important for repetitive dives when the pdps indicat...

  • Page 79

    79 note: when the conservative factor is set on, no decompression dive times are reduced to the values of the next 3000 foot (915 meter) higher altitude. If fo2 for gas1 is set for a numerical value (21 to 50%), the nitrox graphic and maximum operating depth defined by the po2 alarm set point will b...

  • Page 80

    80 plan mode lead-in information includes (fig. 68): > graphic plan. > po2 alarm set point and graphic po2, if set for nitrox. > fo2 icon and fo2 set point for gas 1. > tank 1 icon representing gas 1. > symbol nitrox, if set for nitrox.  press and release the s button momentarily ( access the first...

  • Page 81

    81 fly mode time to fly is a counter that begins counting down 10 minutes after surfacing from a dive from 23:50 to 0:00 (hr:min). Two hours after a dive, the atom's operation reverts to the watch local time screen (main or alternate, whichever one was selected as the default screen) at which time t...

  • Page 82

    82  pressing and releasing the a button momentarily ( mode.  depressing and holding the m button for 2 seconds will revert to the norm surf main screen.  if no button is pressed during a 2 minute period, operation will revert to the norm surf main screen.  pressing the l button will activate the...

  • Page 83

    83  depressing and releasing the a button momentarily and repeatedly 3 times ( the norm surf main screen will access sat mode. (norm surf > plan > fly > sat) time to desat information includes (fig. 71): > graphic sat and symbol time. > countdown time (hr:min). > battery icon (if an atom low batter...

  • Page 84

    84 after exceeding 24 dives, the most recent dive completed will be added to the log and the oldest deleted. Dives will be numbered 1 to 24 starting at #1 each time a new series of dives begins. After it shuts off 24 hours after a dive, the first dive of the next new series will be #1.  during the ...

  • Page 85

    85  if that was a nitrox dive, pressing and releasing the s button again will display that dive’s log data 2 screen (oxygen data). If in gauge mode (violated or user selected), this screen will not be displayed.  log screens remain on display until further button occurs.  pressing and releasing t...

  • Page 86

    86 log data 1 information includes (fig. 73): > alpha graphic no-d, deco, gaug, or viol. > tlbg with the maximum accumulation segment flashing, others fixed up to end-of-dive accumulation. All segments flashing for delayed and full violation. > temperature (minimum recorded that dive) and graphic f ...

  • Page 87

    87 log data 2 (if a nitrox dive) information includes (fig. 74): > graphic o2. > o2 bar graph segments representing oxygen accumulated at the end of the dive and symbol o2bg. > value of max po2 achieved (ata) and graphic po2. > fo2 set (gas 1) for that dive and symbol fo2. > tank 1 icon representing...

  • Page 88

    88  10 minutes after a non violation dive, pressing and releasing the a button momentarily and repeatedly 5 times ( screen is displayed will access the history mode (norm surf > plan > fly > sat > log > hist).  10 minutes after a violation dive, pressing and releasing the a button 3 times will acc...

  • Page 89

    89 history 2 screen information includes (fig. 76): > graphic sea (or el 2 through el 7), altitude conducted. > temperature, lowest recorded of all dives. > maximum depth achieved during all dives with symbols ft (or m) and max.  pressing and releasing the s button momentarily ( seconds) button wil...

  • Page 90

    90 overview of displayed symbols and icons symbols meaning bar (or) psi selected tank's pressure units stop time (or) dive time ceiling stop time or elapsed dive time (hr:min) or dive # air time (or) - air time remaining (hr:min) time ndc (or) - no decompression dive time remaining (hr:min) time o2 ...

  • Page 91

    91 overview of dive mode information warning: prior to diving with the atom, you must also read and understand the oce- anic dive computer safety and reference manual, doc. No. 12-2262, which provides important warnings and safety recommenda- tions as well as general product information..

  • Page 92

    92 transmitter signal reception guide best reception area poor reception area poor reception area poor reception area poor reception area poor reception distance (greater than 6 feet/2 meters).

  • Page 93

    93 positioning of the atom the transmitters (tmts) emit low frequency signals that radiate outward in semicircular patterns that are parallel to the length dimension of the tmt. A coiled antenna inside the atom receives the signals when it is positioned within a zone parallel to or at a 45 degree an...

  • Page 94

    94 an interruption of the tmt link may also occur while the atom is in an area within 3 to 4 feet (1 meter) of a running dive propulsion vehicle. The link will be restored within 4 seconds after the vehicle is shut off or the atom is moved out of that area. When using a strobe, a temporary interrupt...

  • Page 95

    95 no decompression dive time remaining (ndc) no decompression dive time remaining is the maximum amount of time that you can stay at your present depth before entering a decompression situation. It is calculated based on the amount of nitrogen absorbed by hypothetical tissue compart- ments. The rat...

  • Page 96

    96 oxygen accumulation time remaining (otr) when the atom is set for nitrox operation, oxygen accumula- tion (saturation or exposure) during a dive, or 24 hour period, appears graphically as the o2 bar graph (fig. 80a) when the alternate #2 (o2) screen is accessed. As time remaining before reaching ...

  • Page 97

    97 air consumption and depth are continuously monitored and air time remaining reflects any change in circumstances. For example, when a buddy starts breathing from your octopus or you suddenly find yourself swimming against a strong current and begin breathing more rapidly, the atom will recognize ...

  • Page 98

    98 you should immediately initiate a controlled ascent while moni- toring your tank pressure. However, there is no reason to panic, the atom has allowed for the air necessary for a safe ascent including the no deco safety stop, if set on, and any decompression stops required. Example:  you set the ...

  • Page 99

    99 at 60 ft (18 m) and shallower, the warning will be given when ascent rates exceed 25 fpm (7.5 mpm). Ascent rate alarm at depths deeper than 60 ft (18 m), an alarm will sound when ascent rates exceed 60 fpm (20 mpm). At 60 ft (18 m) and shallower, the alarm will sound when ascent rates exceed 30 f...

  • Page 100

    100  dive main > alternate 1 (atr) > alternate 2 (o2 data, if set for nitrox) a secondary display can be accessed by pressing the a button for 2 seconds. It will also automatically revert to the dive main display after 5 seconds.  main > secondary (temperature and time of day) the s button is used...

  • Page 101

    101 norm type dive modes warning: prior to diving with the atom, you must also read and understand the oce- anic dive computer safety and reference manual, doc. No. 12-2262, which provides important warnings and safety recommenda- tions as well as general product information..

  • Page 102

    102 wet contacts the wet contact dive mode activation feature is active any time wet activation is set on. The atom is configured with contacts that will automatically activate dive mode when the space between the contacts is bridged by a conductive material (immersed in water) and it senses a depth...

  • Page 103

    103 norm no decompression dive mode when the wet activation feature is set on, the atom will enter the norm no decompression dive mode any time you de- scend to 5 ft (1.5 m). When the wet activation feature is set off, the atom will not enter dive mode upon descent unless it is operating in one of t...

  • Page 104

    104  while the norm dive main screen is displayed, press/ release the a button (  while the norm dive alt 1 screen is displayed, press/ release the a button (  press/hold the a button (2 sec) to view the secondary display (temperature/time).  press/hold the m button (2 sec) to access the tmt 2-3...

  • Page 105

    105 norm dive no deco alt 2 display (if set for nitrox), information includes (fig. 89) - > o2 bar graph and symbol o2bg (o2 accumulated) > tmt link icon, if a tmt is active and linked > graphic gas1 (or 2 or 3) > level of po2 (ata) with graphic po2 > fo2 setting and symbol fo2 > tank icon represent...

  • Page 106

    106 norm dive no deco safety stop upon ascending to 5 ft (1.5 m) below the safety stop depth set on any no decompres- sion dive in which depth exceeded 30 ft (9 m), a short beep will be emitted and a safety stop at the depth set will appear on the display with a countdown timer that begins at the sa...

  • Page 107

    107  press/release the a button to view the norm main and alt displays  press/hold the a button (2 sec) to view temperature/time  press/release the l button to activate the backlight  press/release the s button to acknowledge/silence alarms decompression dive mode the atom is designed to help yo...

  • Page 108

    108  once you are within 10 ft (3 m) of, and below, the required stop depth, the up arrow will be removed. At any time during the dive -  depress the l button to activate the backlight.  press/release the s button to acknowledge/silence alarms.  press/hold the a button (2 sec) to view the common...

  • Page 109

    109 deco stop main display (default), information provided includes (fig. 94) - > tissue loading bar graph (all segments indicating deco) > graphic message deco > stop > xxf or xxm, scrolling > tmt link icon and tank pressure with the psi (or bar) icon, if a tmt is active and linked > stop time (hr:...

  • Page 110

    110 deco stop alt 1 display, information includes (fig. 95) - > tissue loading bar graph (all segments) > graphic tmt1 (or 2 or 3), link icon, and tank pressure with the psi (or bar) icon, if a tmt is active and linked > elapsed dive time (hr:min) with symbols dive and time > air time remaining (hr:...

  • Page 111

    111 deco secondary display, information includes (fig. 97)- > day of the week graphic (mon, tue, etc.) > temperature with icon and graphic f (or c) > time of day (hr:min:sec)  this will be the default watch time (main or alternate).  the display will revert to the deco main after 5 seconds. Violat...

  • Page 112

    112 if you descend below the required decompression ceiling before 5 minutes have elapsed, the atom will continue to function in decompression dive mode. In this case, no off gassing credit will be given, and for each minute above the ceiling 1 1 / 2 minutes of penalty time will be added to required...

  • Page 113

    113 delayed violation #2 (fig. 100) the atom cannot calculate decompression times for stop depths much greater than 60 ft (18 m) and offers no indication of how much time spent underwater would result in the need for a greater stop depth. If the decompression obligation requires a ceiling stop depth...

  • Page 114

    114 upon ascending above 330 ft (100 m), the current depth display will be restored, however max depth will only display 3 dashes for the remainder of that dive. Also, the log for that dive will display 3 dashes as the max depth achieved. Immediate violation and viola gauge mode if a decompression c...

  • Page 115

    115 the atom will also enter an immediate violation mode (viola- tion gauge mode) 5 minutes surfacing from a dive in which a delayed violation occurred. Violation gauge mode on the surface does not allow access to the set f, plan, fly, and sat features/screens. The countdown timer that appears when ...

  • Page 116

    116 high po2 when partial pressure of oxygen (po2) becomes equal to, or greater than, 0.2 ata less than the po2 alarm set point (a set a group setting); the red led warning light will flash, the au- dible alarm will sound, and the message high > po2 will scroll until the alarm is acknowledged/silenc...

  • Page 117

    117 high oxygen accumulation the o2 bar graph displays either oxygen accumulated during that nitrox dive, or during the repetitive nitrox dives you conduct during that 24 hour period, whichever of the two is greater at that time. The o2 bar graph allows you to monitor how close you are coming to the...

  • Page 118

    118 summary of norm/gaug warning and alarm messages message meaning deco > stop > xxf (m) entry into decompression mode. Down > to > xxf (m) above a required decompression stop depth. Deco > stop > 60f (18m) deco stop greater than 60 ft (18 m) required. High > po2 high po2 while in deco mode. Up > h...

  • Page 119

    119 switching gas mixes and buddy pressure check warning: prior to diving with the atom, you must also read and understand the oce- anic dive computer safety and reference manual, doc. No. 12-2262, which provides important warnings and safety recommenda- tions as well as general product information..

  • Page 120

    120 switching gas mixes (norm only) during norm dives, the atom can be manually switched from gas 1 to gas 2 to gas 3, changing fo2 displays and calculations from the fo2 value set for gas 1 to the fo2 value set for gas 2 to the fo2 value set for gas 3, and if tmts (transmitters) are used, changing ...

  • Page 121

    121 due to the possibility that sufficient air may not be available in the switch from tank to complete the dive, the switch to the prohibitive mix can still be made. If the switch is made to the prohibitive mix while in norm no deco dive mode, the high po2 alarm will activate. If the switch is made...

  • Page 122

    122 gas 1 switch preview display information includes (fig. 108) - > tlbg, representing nitrogen loading. > graphic gas1 > fo2 set point for gas 1 and the symbol fo2 > tank icon representing gas 1 > symbol nitrox > current depth and symbol ft (or m)  press/release the m button momentarily ( access ...

  • Page 123

    123 to switch fo2 from gas 1 to gas 2  depressing the m button for 2 seconds while viewing the gas 2 switch preview display will manually switch the atom's fo2 from gas 1 to gas 2 and the atom's receiver from tmt 1 to tmt 2 (if active).  when the switch is made, the norm main dive display (fig. 11...

  • Page 124

    124 gas 3 switch preview display information includes (fig. 111) - > tlbg, representing nitrogen loading. > graphic gas3 > fo2 set point for gas 3 and the symbol fo2 > tank icon representing gas 3 > symbol nitrox > current depth and symbol ft (or m)  press/release the m button momentarily ( access ...

  • Page 125

    125 buddy pressure check (norm only) during norm dives, the atom can be used to check (display) tank pressure of 1 or 2 buddies whose tmt link codes (serial numbers) have been entered as tmt 2 and tmt 3 in the atom's set u menu. Note: using the atom for a buddy pressure check cannot be performed whe...

  • Page 126

    126  pressing and releasing the m button momentarily ( seconds) while the tmt 2-3 use screen is displayed (with the setting bud) will start a search for buddy 1 (tmt 2) displaying the graphics bud and search (fig. 113) for a maximum of 5 seconds. Note: no further button action is required. The disp...

  • Page 127

    127 to buddy pressure check on surface a buddy pressure check can be performed when on the surface by accessing the tmt status check screens while the norm surf main screen is being displayed.  depressing and holding the s button for 2 seconds will activate the atom's receiver and access the tmt st...

  • Page 128

    128 m gas 1 preview m gas 2 preview m 2 sec gas 3 preview m m switches from gas 1/tmt 1 to gas 2/tmt 2 (after 3 sec) switches from gas 2/tmt 2 to gas 3/tmt 3 (after 3 sec) switches from gas 3/tmt 3 to gas 1/tmt 1 (after 3 sec) back to norm dive main bud1 pressure bud2 pressure 5 sec tmt 2-3 use set ...

  • Page 129

    129 norm post dive modes warning: prior to diving with the atom, you must also read and understand the oce- anic dive computer safety and reference manual, doc. No. 12-2262, which provides important warnings and safety recommenda- tions as well as general product information..

  • Page 130

    130 post dive surface mode when you ascend to 4 ft (0.6 m), the atom will enter surface mode and begin counting your surface interval. Transition period if you descend during the first 10 minutes after surfacing (re- ferred to as the transition period), time underwater will be considered a continuat...

  • Page 131

    131 to view that dive's log during the transition period -  press and release the a button ( preview screen (fig. 120).  press the s button to view the log 1 screen (nitrogen data).  press the s button again to view the log 2 screen (oxygen data), if a nitrox dive.  press the s button again to r...

  • Page 132

    132 to activate the backlight -  press the l button at any time. To access norm plan mode (refer to page 78) -  press the a button 1 time while norm surf main is displayed. The planning sequence now displays adjusted no decompression limits based on residual nitrogen and accumulated oxygen calcula...

  • Page 133

    133 gauge operating mode warning: prior to diving with the atom, you must also read and understand the oce- anic dive computer safety and reference manual, doc. No. 12-2262, which provides important warnings and safety recommenda- tions as well as general product information..

  • Page 134

    134 gauge mode when gauge mode (gaug) is selected as the operating mode, the atom will operate as a digital depth gauge/timer without performing nitrogen and oxygen calculations.  to access gaug operating mode while watch main time is displayed, press the m button 2 times (2 seconds each time), or ...

  • Page 135

    135  press/release the a button to access fly, log, and history.  press/hold the a button for 2 seconds to view the common secondary display (temperature and time of day).  press/hold the a and s buttons simultaneously for 2 seconds to access the set menu (f > a > u > t).  press/release the s bu...

  • Page 136

    136  press/release the a button to access the gaug alt display.  press/hold the a button for 2 seconds to view the common secondary screen (temperature and time of day) for 5 seconds.  press/release the s button acknowledge/silence alarms.  press the l button to activate the backlight. Gaug dive...

  • Page 137

    137 free dive operating mode warning: prior to diving with the atom, you must also read and understand the oce- anic dive computer safety and reference manual, doc. No. 12-2262, which provides important warnings and safety recommenda- tions as well as general product information..

  • Page 138

    138 free dive mode when free (free dive mode) is selected as the operating mode, the atom will operate as a digital depth gauge with select features. Nitrogen loading is calculated based upon a default fo2 of air and the amount remaining during 24 hours is carried over between free and norm operatin...

  • Page 139

    139  press the l button to activate the backlight.  depress the a button for 2 seconds to access the common secondary screen (temperature and time of day) for 3 seconds then the free surf alt display for 3 seconds.  pressing and releasing the a button momentarily ( seconds) will access the free s...

  • Page 140

    140  press the l button to activate the backlight. The display will revert to the free surf main screen after 5 seconds or if the a button is pressed momentarily. Free mode countdown timer (cdt) pressing the a button momentarily ( the free surf main screen will access the free surf cdt status scree...

  • Page 141

    141  an on/off toggle is prevented when s is operated to acknowledge/silence the daily alarm.  press the l button to activate the backlight.  pressing the a button momentarily ( the m button for 2 seconds, or if no button is pressed during a period of 2 minutes, will revert the display to the fre...

  • Page 142

    142 set free cdt status display (surface only), information includes (fig. 129) - > graphics timr and set, solid. > time symbol and timer setting (min:sec), colon solid, minute set point flashing.  depressing and holding the s button while the minute set point is flashing will scroll through the se...

  • Page 143

    143 free dive edt (elapsed dive time) alarm the free edt alarm is factory set for 30 seconds. When set on, the alarm will sound 3 short beeps and the message time will be displayed momentarily every 30 seconds while the atom is operating underwater in free dive mode.  depressing the a and s buttons...

  • Page 144

    144 free dive depth alarms (fda) the atom features 3 free dive depth alarms that can be set at progressively deeper depths and turned off/on. > if alarm 1 is set off, then alarms 2 and 3 will be disabled. > if alarm 2 is set off, alarm 3 will be disabled. When each of the depths are reached during a...

  • Page 145

    145 set free depth alarm 1 (fda1) display, information includes (fig. 132) - > graphic fda1. > set point on or off, flashing. > depth set point graphic value, flashing if on is displayed. > symbols max and ft (or m).  pressing and releasing the s button momentarily ( seconds) will toggle the set po...

  • Page 146

    146 set free depth alarm 2 (fda2) display, information includes (fig. 133) - > graphic fda2. > set point on or off, flashing. > depth set point graphic value, flashing if on is displayed. > symbols max and ft (or m).  pressing and releasing the s button momentarily ( seconds) will toggle the set po...

  • Page 147

    147 set free depth alarm 3 (fda3) display, information includes (fig. 134) - > graphic fda3. > set point on or off, flashing. > depth set point graphic value, flashing if on is displayed. > symbols max and ft (or m).  pressing and releasing the s button momentarily ( seconds) will toggle the set po...

  • Page 148

    148 free dive main display (default), information includes (fig. 135) - > graphic free > tlbg, if any nitrogen remaining from previous norm or free dives conducted within the previous 24 hours. > temperature with degrees symbol and graphic f (or c) > symbols dive and time and elapsed dive time (min:...

  • Page 149

    149  pressing and releasing the s button momentarily ( seconds) will toggle between on and off. If a time has been set, a toggle from off to on will start the cd timer indicated by the colon flashing (fig. 137).  pressing the l button will activate the backlight.  depressing and holding the m but...

  • Page 150

    150 free dive depth alarm(s) when depth reaches the free depth alarm 1 set point selected, 3 short beeps will sound 3 times, the red led will flash, and the message dpth will appear on the display 3 times momentarily (fig. 139), then revert to the message free. The beeps and message will be repeated...

  • Page 151

    151 when nitrogen loading increases to the caution level indicated by 4 segments displayed as the tlbg and the up arrow appear- ing solid, 3 short beeps will sound 3 times, the red led will flash, and the message up > high > ni will appear on the display (fig. 141). After the beeps, the message will...

  • Page 152

    152 although breathing apparatus is not utilized for free dive activities, nitrogen tissue loading remains a factor. Nitrogen loading is calculated based upon a fixed fo2 of air. Since a user has the option of alternating between norm (scuba) and free dive activities within a 24 hour period, nitroge...

  • Page 153

    153 warning: prior to diving with the atom, you must also read and understand the oce- anic dive computer safety and reference manual, doc. No. 12-2262, which provides important warnings and safety recommenda- tions as well as general product information. Reference.

  • Page 154

    154 uploading settings and downloading data the atom is configured with a data port located on the back of the left side that enables it to be connected to a pc through a usb port using the special interface cable supplied. A usb driver is provided on the cd as part of the interface system. The sett...

  • Page 155

    155 pc compatibility requirements:  ibm ® , or compatible, personal computer with usb port  intel ® pentium 200 mhz or better microprocessor  microsoft ® windows ® 98 second edition, me, nt, 2000, or xp  super vga card or compatible video graphics adaptor (256 color or greater) with a minimum 80...

  • Page 156

    156 care and cleaning protect your atom from shock, excessive temperatures, exposure to chemicals, and tampering. Protect the lens against scratches with a instrument lens protector. Small scratches will naturally disappear underwater.  soak and rinse the atom in fresh water at the end of each day ...

  • Page 157

    157 oceanic recommends that you continue to have an inspection performed every year to ensure it is working properly. The costs of annual inspections are not covered under the terms of the 2 year limited warranty. To obtain service: take your atom system to an authorized oceanic dealer or send it to...

  • Page 158

    158 battery replacement note: the procedures that follow must be closely adhered to. Dam- age due to improper battery replacement is not covered by the atom's 2 year warranty. When replacing the battery in the atom, it is recommended that you also replace the battery(s) in the transmitter(s), and vi...

  • Page 159

    159 caution: damage due to improper battery replacement is not covered by the product's limited 2 year warranty. Atom (watch) battery removal  locate the battery compartment on the back of the unit.  rotate the battery hatch clockwise 10 degrees using the special battery hatch tool provided (fig. ...

  • Page 160

    160 transmitter battery removal locate the battery hatch on the end of the housing:  apply a coin to the recessed slot of the hatch and turn it counter clockwise out of the housing (fig. 147).  remove the battery from the battery compartment and discard according to local regulations governing dis...

  • Page 161

    161 inspection (continued) -  closely examine the threads of the battery hatch(es) and housing(s) for any signs of damage that might prevent proper threading.  closely examine the inside of the battery compartment(s) for any signs of corrosion indicating entrance of moisture into the unit.  if co...

  • Page 162

    162 note: the atom's o-ring must be a genuine oceanic part that can be purchased from an authorized oceanic dealer. Use of any other o- ring will void the warranty.  carefully place the battery hatch (with o-ring) into position on the rim of the battery compartment, then press it evenly and complet...

  • Page 163

    163  place a new 3 volt, cr2, lithium battery (duracell model dl- cr2 or equivalent) positive (+) side down into the battery compartment with the negative end facing up/out (fig. 153).  ensure that the battery is properly oriented and the hatch o-ring is evenly seated around the battery hatch.  c...

  • Page 164

    164 installing a transmitter on a regulator to install the transmitter on the regulator first stage:  remove the existing pressure gauge and high pressure hose, or the high pressure port plug from the port marked hp using the proper size hex key.  lightly lubricate the o-ring and threads of the tr...

  • Page 165

    165 altitude sensing and adjustment prior to the first dive of a series of repetitive dives, altitude (i.E., ambient pressure) is measured upon activation of dive surface mode and every 15 minutes until a dive is made or operation reverts to main time after 2 hours. > while it is operating in watch ...

  • Page 166

    166 when the conservative factor feature is set on, allowable dive times are calculated based upon the next higher 3,000 foot (915 meter) altitude. All adjustments for altitudes greater than 11,000 feet (3,355 meters) are then made to allowable dive times for 14,000 feet (4,270 meters). If the conse...

  • Page 167

    167 po2 (ata) 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30 1.40 1.50 1.60 max duration single exposure (min) (hr) 720 12.0 570 9.5 450 7.5 360 6.0 300 5.0 240 4.0 210 3.5 180 3.0 150 2.5 120 2.0 45 .75 max total duration 24 hour day (min) (hr) 720 12.0 570 9.5 450 7.5 360 6.0 300 5.0 270 4.5 240 4.0 210 ...

  • Page 168

    168 can be used as • watch • dive computer (air or nitrox) • digital depth gauge/timer • free dive activity • with or without up to 3 transmitters no decompression model basis: • modified haldanean algorithm • 12 tissue compartments data base: • diving science and technology (dsat) - rogers/ powell ...

  • Page 169

    169 norm/gaug set modes • set f group (fo2 items): factory settings: > fo2 gas1 (air, 21 to 50%) > air > fo2 gas2 (air, 21 to 100%) > air > fo2 gas3 (air, 21 to 100%) > air > fo2 default (on/off) > on • set a group (alarms): > audible alarm / led warning (on/off) > on > max depth alarm (30 to 330 ft...

  • Page 170

    170 norm no decompression dive displays: • main (default) - tlbg, pressure, elapsed dive time, dive time remaining, current depth • alternate #1 - tlbg, tank identifier, pressure, elapsed dive time, air time remaining, max depth • alternate #2 - o2bg, gas identifier, current po2, fo2 set point, curr...

  • Page 171

    171 specifications (continued) numeric displays: range: resolution: • dive number 0 to 24 1 • current depth 0 to 330 ft (100 m) 1 ft (.1 m ) • maximum depth 330 ft (100 m) 1 ft (.1 m) • gas 1 fo2 set point air, 21 to 50 % 1 % • gas 2 fo2 set point air, 21 to 100 % 1 % • gas 2 fo2 set point air, 21 t...

  • Page 172

    172 bar graph tissue loading bar graph: segments oxygen (o2) bar graph: segments • no decompression zone 1 to 4 • normal zone 1 to 4 • decompression zone 5 (all) • danger zone 5 (all) operational performance function: accuracy: • depth ±1% of full scale • timers 1 second per day dive counter: • norm...

  • Page 173

    173 operational performance (continued) power: • atom (watch) battery 1 - 3 vdc, cr2430, lithium battery • transmitter battery 1 - 3 vdc, cr2, .75 ahr, lithium battery (duracell model dl-cr2 or equivalent) • shelf life up to 7 years (when shipped from factory in deep sleep mode) • replacement user r...

  • Page 174

    174 warning: if your atom stops working for any reason while operating as a dive computer, it is important that you have antici- pated this possibility and are prepared for it. This is an important reason for not pushing the no decompression and oxygen expo- sure limits, and a critical reason to avo...

  • Page 175: Atom 2.0 Full Lcd

    175 atom 2.0 full lcd components: a. Mode (m) button b. Select (s) button c. Light (l) button d. Advance (a) button e. Led warning light f. Bar graph g. Icon - indicates o2bg h. Icon - ascend arrow i. Symbol - stop time dive time j. Symbol - nitrox (mode) k. Symbol - ft or m (depth) l. Symbol - max ...

  • Page 176

    176 if for any reason, the atom 2.0 shuts off then turns on again for any reason during any dive, the message err (error) will be displayed with the up arrow and current depth (fig. 156). If this occurs, it is highly recommended that you terminate the dive and begin a safe ascent to the surface. Upo...

  • Page 177

    177 inspection / service record atom 2.0 serial number: _________________________________ atom 2.0 firmware revision: _________________________________ transmitter #1 serial number: _________________________________ transmitter #2 serial number: _________________________________ transmitter #3 seria...

  • Page 178

    178 oceanic world wide oceanic usa 2002 davis street san leandro, ca 94577 tel: 510/562-0500 fax: 510/569-5404 web: www.Oceanicworldwide.Com e-mail: hello@oceanicusa.Com oceanic northern europe wendelstein, germany tel: +49 (0) 9129 90 99 780 fax: +49 (0) 9129 90 99 789 web: www.Oceanic.De e-mail: h...

  • Page 180

    Doc. No. 12-2698-r03 (10/22/07) - copyright 2002 design, 2005.