RaceAmerica 3850B Timer AC4 Owner's Manual

Manual is about: Four Timer Autocross Timing System

Summary of 3850B Timer AC4

  • Page 1

    Model 3850b timer ac4 rev e four timer autocross timing system owner’s manual raceamerica corporation p.O. Box 3469 santa clara, ca 95055-3469 usa (408) 988-6188 www.Raceamerica.Com info@raceamerica.Com copyright 2014 raceamerica, inc..

  • Page 2

    2 raceamerica model 3850 timer ac4 table of contents limited warranty .....................................................................................................................3 theory of operation ..............................................................................................

  • Page 3: Limited Warranty

    3 raceamerica model 3850 timer ac4 limited warranty to the original purchaser of this raceamerica product, raceamerica warrants it to be in good work- ing order for a period of ninety (90) days from the date of purchase from raceamerica or an authorized raceamerica distributor. Should this product m...

  • Page 4

    4 raceamerica model 3850 timer ac4 theory of operation the model 3850 timer ac4 is a completely self contained race timing system made with the latest technology cmos circuit components to provide a highly accurate autocross timing solution. The system contains an internal quartz crystal clock to ma...

  • Page 5

    5 raceamerica model 3850 timer ac4 package components each standard hard-wired timer ac4 autocross package includes: 1 - 3850b timer ac4 console unit 2 - ir beam emitters (5040) 2 - ir track sensors (5140) 2 - track sensor cables - 100ft each (05-3811) 1 - power patch cord 6ft (6510b) 1 - owners man...

  • Page 6

    6 raceamerica model 3850 timer ac4 set-up steps - timer ac4 the timer ac4 can be set up in single (lap- timer) or dual sensor (autocross solo 1) configu- rations and operated in either manual, hard-wired or wireless modes. Different keypad functions are available with each mode; this manual will hig...

  • Page 7

    7 raceamerica model 3850 timer ac4 power blink red/green - power on led information rf receive status blink green - receive blink red - transmit align status solid red - not aligned id code e.G. ‘z’ optimizer code e.G. C17 figure 1 - t-link2 power and external connections warning: to avoid damage to...

  • Page 8

    8 raceamerica model 3850 timer ac4 step 1 - familiarize yourself with the components pictured in this manual and how they interconnect. Track sensor cables are used to connect the starting line and finish line to the timer console or t-link wireless units (fig. 1 thru 6). All connectors are keyed fo...

  • Page 9

    9 raceamerica model 3850 timer ac4 fig 1 - laptimer hard-wired; plug into start fig 2 - t-link wireless laptimer track sensor laptimer single track sensor configuration dual track sensor configuration 45232a pc cable fig 3 - t-link wireless 2sensors with data capture software.

  • Page 10

    10 raceamerica model 3850 timer ac4 console 12vdc start line finish line 5040 emitter 5040 emitter 5810 t-link ‘a’ unit 5810 t-link ‘b’ unit 5810 t-link ‘z’ unit 06-tt01 25ft cable t-link t-link t-link st fin tlnk prnt fig 4 - hardwired track sensors fig 5 - t-link wireless with external track senso...

  • Page 11

    11 raceamerica model 3850 timer ac4 fig 8 - rs232 hard wired digital display and/or pc. Limited to 100ft cable lengths fig 9 - hard wired digital displays utilizing communication pods fig 10 - wireless digital displays connecting system options console digital display digital display 12vdc 06-x025 2...

  • Page 12

    12 raceamerica model 3850 timer ac4 console features fig 7 - the timer ac4 console contains a four line display for display of lap/run times, the cur- rent mode of operation of the timer, comfirms detection of a car by the track sensors, emitter/sen- sor alignment and used for configuration menu pro...

  • Page 13

    13 raceamerica model 3850 timer ac4 can be two to nine seconds and represent the time until a sensor will not see another trip to allow for rear wheels and blowing dirt to settle. Use the config menu to create a timeslip header of up to 39 characters on four lines. Navigate the menu using the [4] an...

  • Page 14

    14 raceamerica model 3850 timer ac4 config print config race config header lf xx autopr x [4] [#] [#] [#] [4] [4] sensor single dual [4] [#] [#] [4] *4 config log blank blank 3850 rev h.00 configuration parameters --- printer settings printer port use printer number of line feeds 10 autoprint copies...

  • Page 15

    15 raceamerica model 3850 timer ac4 serial port configurations the rs232 serial port can be configured for t-link wireless track sensors or to interface to a pc running race management software. The serial port is enabled for two way communications (in for t-link data, out for pcs and displays. The ...

  • Page 16

    16 raceamerica model 3850 timer ac4 each finish freezes the running timer and sends the time to the serial ports (pcs and displays). The console operator can use the manual start [3] key to over-ride the track sensor or when the status display indicates the sensors are disabled [*2]. If a car goes o...

  • Page 17

    17 raceamerica model 3850 timer ac4 dual beam - autocross solo ii hard-wired run dual beam hard-wired with sensors [on] as configured in sensors [*2] and the sensor cables in the start and finish connectors. Each time the start beam is interrupted, a timer will start countiing. After each start, the...

  • Page 18

    18 raceamerica model 3850 timer ac4 fig. 12 keypad the number of minutes (01 to 99) and press # enter. The display will show [count] [xx. Xx] representing minutes and seconds remaining. Press [1] again to stop the count; [stop] [count] will briefly display and the screen will blank. The count is sen...

  • Page 19

    19 raceamerica model 3850 timer ac4 note: all four timers also have a backup timer internally maintained by the timer ac4. These free-running timers do not stop at the maximum elapsed time, instead, the timers roll over back to zero and continue to count. Care should be taken if a long period of tim...

  • Page 20

    20 raceamerica model 3850 timer ac4 finish line. The dashes on the display will begin to count up as signals are received from the t- link units on the track. 0 displayed represents 0%, 1 represents 10%, 2 represents 20% etc. Until a dash appears representing 100%. This is an indication of the consi...

  • Page 21

    21 raceamerica model 3850 timer ac4 display currently counting with the highest time elapsed is stopped and output is sent to the serial port and large display port. Fbad this message indicates the alignment of the track sensor and beam emitter at the finish line has failed to maintain alignment whi...

  • Page 22

    22 raceamerica model 3850 timer ac4 maintenance the model 3850 timer ac4 console, beam emitters, and track sensors do not require any maintenance. To insure uninterrupted operation on raceday, it is suggested to keep track of battery usage hours so as to have fully charged batteries. Plan to replace...

  • Page 23

    23 raceamerica model 3850 timer ac4 timeslip header the 3850 series console allows custom timeslip header input for four lines of up to 39 characters each to print at the top of each timeslip. Input for the timeslip header is found in the [config] [header] menu. Once the configuration is input, it i...

  • Page 24

    24 raceamerica model 3850 timer ac4 character position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 printed character character code printed character character code printed character character code priinted character character code time...

  • Page 25

    25 raceamerica model 3850 timer ac4 7540d - foam stand assembly instructions ‘aa’ battery emitter (5040b, 5050b & 5058b) 1. Install batteries and turn on the emitter. 2. Separate the base of the foam stand from the top. 3. Place the 5040/5050/5058 emitter into the base foam with the battery side dow...