Oceanic ATOM Operating Manual - page 142
142
CAN BE USED AS
Watch
Dive Computer (Air or Nitrox)
Digital Depth Gauge/Timer
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
Performance:
Tissue compartment halftimes (mins.) Spencers M
values
5, 10, 20, 40, 80, 120, 160, 200, 240, 320, 400, 480
Reciprocal subsurface elimination
60 minute surface credit control for compartments
faster than 60 minutes
Tissue compartments tracked up to 24 hours after
last dive
Decompression Capabilities (stop ceilings):
10, 20, 30, 40, 50, and 60 feet
(3, 6, 9, 12, 15, and 18 meters)
Altitude Algorithm and Oxygen Exposure Limits:
Based on NOAA tables
TRANSMITTERS
Battery and Pressure check
> every 2 minutes when asleep
> every 2 seconds when awake
Startup
> Pressure equal or greater than 120 PSI
> Battery equal or greater than 2.75 volts
Shutdown
> Pressure less than 50 PSI
WATCH MODES
Main Time (home)
> Set Time/Date
Alternate Time (remote location)
> Set Alternate Time (hour differential)
Countdown Timer
> Set Countdown Timer
Chronograph (Stop Watch/Lap Timer)
> Start/Stop/Lap Recall/Reset
Daily Alarm
> Set Time
DIVE COMPUTER SURFACE MODES
Surface Mode
Plan (30 to 190 feet / 9 to 57 meters)
Time to Fly Countdown
Time to Desaturation Countdown
Dive Log (Preview, Nitrogen Data, and Oxygen Data)
History
Oxygen Data (after Nitrox dives)
Battery/Tank Pressure Status
SPECIFICATIONS