Operation Manual

OCS OPERATING MANUAL

POWER SUPPLY

• Battery >> (1) 3 vdc, CR2450, Lithium battery.

• Shelf life >> up to 7 years (when shipped from factory in Deep Sleep mode).

• Use life >> 1 year or 300 dive hours if (2) 1 hour dives per dive day.

• Replacement >> user replaceable (annual recommended).

Battery icon:

• Warning >> icon on solid < 2.75 volts, battery change recommended.

• Alarm >> icon on ﬂashing < 2.50 volts, change the battery.

LOW BATTERY WHILE ON THE SURFACE

<= 2.75 volts (warning level)

• Backlight is completely disabled.

• Battery icon (shell with inner bar) appears solid (Fig. 1a).

• If a dive is started, the icon is not displayed on the dive mode screens.

• Watch and DC functions, including Compass Mode, continue to be available.

<=2.50 volts (Too Low - alarm level)

• All DC operations cease and the unit operates only as a Watch with Compass (view only).

• Low Battery icon (shell only with no inner bar) ﬂashes for 5 seconds and operation reverts to Watch Time with Compass

allowed (view only) until the Battery is changed or voltage cannot sustain operation, then the graphic CHANGE BATTERY

ﬂashes (Fig. 2) until the Battery is changed or voltage drops to the level at which operation cannot be maintained.

LOW BATTERY DURING A DIVE

<= 2.75 volts (warning level)

• Backlight is completely disabled.

• Full DC functions and Compass continue to be available.

• Battery icon is not displayed on the dive mode screens.

• Battery icon (shell with inner bar) appears solid upon entry into Surface Mode.

<= 2.50 volts (Too Low - alarm level)

• Backlight is completely disabled.

• Full DC functions continue to be available during the dive.

• Battery icon is not displayed on the dive mode screens.

• Upon entry into Surface Mode, the Battery icon (shell only with no inner bar) and graphic CHANGE BATTERY ﬂash for

5 seconds (Fig. 3) and operation reverts to Watch Time (Fig. 4), with Compass (view only) allowed, until the Battery is

changed or voltage cannot sustain operation, then the graphic CHANGE BATTERY ﬂashes until the Battery is changed or

voltage drops to the level at which operation cannot be maintained.

Fig. 1 - LOW BATT WARNING

Fig. 2 - LOW BATT ALARM

Fig. 3 - LOW BATT ALARM

(after surfacing)

Fig. 4 - WATCH MODE

(Low Batt Alarm)