Activation & Diagnostic Mode - Oceanic DATA PLUS Owner's Manual

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Fig. 31 - Diagnostic Mode
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ACTIVATION AND DIAGNOSTIC MODE
WARNING: Never activate the DataPlus underwater. This may
result in inaccurate depth and no decompression time displays.
Activation is not possible deeper than 4 feet (1.5 meters) under-
water, or at elevations higher than 14,000 feet (4,267 meters).
For Activation, refer to the explanation given on page 4.
Diagnostic Mode is displayed immediately following activation. After pressing
and releasing the control button, the Diagnostic Mode will display all "8's"
followed by dashes, and then a countdown from 9 to 0 (Fig. 31). During the
countdown, the DataPlus checks its display functions and battery voltage to
ensure everything is working properly, then changes to the Surface Mode.
If battery voltage is below the level sufficient for a day's operation, the Battery
icon will be displayed, flashing. Below 15% of rated voltage, all graphic displays
will shut off except the Battery icon that will flash 16 final times prior to shut-
down of the DataPlus. See page 69 for more information regarding Low Battery.
WARNING: If a Low Battery condition is indicated immediately
upon activation, Oceanic strongly recommends that you DO NOT
dive until batteries are replaced.