Operation Manual

OCS OPERATING MANUAL

> If OFF is selected, Declination is set for 0° and operation reverts to the Compass Menu.

> If DECLIN EAST (or WEST) is selected, the Set Declination screen is accessed with the setting ﬂashing (Fig. 158).

• A (hold) - to scroll upward through Set Points at a rate of 4 per second from 0 to 45° in increments of 1°.

• A (< 2 sec) - to increase Set Points one at a time.

• M (< 2 sec) - to step back through Set Points one at a time.

• S (< 2 sec) - to save the Set Point and revert to the Set Declination Menu.

ALARMS

When most Alarms strike, operation in Compass Mode will be terminated and the Dive Main will be displayed indicating the

alarm condition. Compass Mode can then be reentered by pressing S (2 sec).

During several types of alarms, indication will be given while remaining in Compass Mode without interuption. They are -

Ascent Alarm (Fig. 159) -

> VARI, all segments ﬂashing until slowed.

Depth Alarm (Fig. 160) -

> Depth digits ﬂash until shallower than the alarm depth set.

WARNING: You must become thoroughly familiar with setup and operation of the OCS Digital

Compass before using it as your primary device for navigation. Failure to do so could result in

serious errors relating to activities involving navigation.

> Practice on land before use in water.

> Practice on the surface before use underwater.

Fig. 158 - SET DECLINATION

Fig. 159 - ASCENT ALARM

Fig. 160 - DEPTH ALARM