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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).
Decompression requires a Ceiling Stop Depth of 70 FT/21 M or deeper.
Being on the Surface for 5 minutes after a Conditional Violation (Permanent
Violation).
BACKLIGHT
To activate the Backlight - press the L button.
The Backlight will activate and illuminate the display for button depression time* plus
the user set Duration time of 0, 5, or 10 seconds, for a maximum of 20 seconds.
(*The Backlight will turn Off if the button is held depressed for more than 10
seconds.)
Press the button again to activate as desired.
NOTE: Extensive use of the Backlight reduces estimated Battery life.
Also, the Backlight does not operate during a Low ATOM Battery
Condition or when the ATOM is connected to a PC.
POWER SUPPLY
The ATOM (Watch) utilizes one 3 volt CR2430 Lithium Battery. When used as a Dive
Computer, the ATOM's battery should operate normally for 1 year or 300 dive hours if 2
dives are conducted during each dive period. The ATOM checks its battery voltage every
2 minutes during surface operation.