SUUNTO Cobra3 - Manual (Page 45)

9. Check the condition of the O-ring; a defective O-ring may indicate sealing or other
problems. Dispose the old O-ring, even if it seems to be in good condition.
10. Check that the battery compartment, battery holder and lid are clean. Clean with soft
cloth if necessary.
11. Reinstall the battery retainer in its correct position.
12. Check that the new lubricated O-ring is in good condition. Put it in the right position
on the battery compartment lid. Be very careful not to get any dirt on the o-ring or its
sealing surfaces.
13. Carefully press the lid onto the battery compartment with your thumb, while making
sure that the O-ring is not at any point protruding out on the edge.
14. Put your other thumb through the locking ring. Press this thumb firmly against the lid
and release the other one. Make sure that the lid is pressed completely down!
15. Turn the locking ring counterclockwise with your free thumb and fingers until it snaps
into its locked position.
16. The dive computer should now active its timekeeping mode and show time 18:00
[6:00 PM] and date SA 01,01. Activate the instrument. Check that
•
all display segments work.
• the low battery warning is off.
• the buzzer beeps and backlight works.
• all the settings are correct. Reset if necessary.
17. Reassemble computer into the console. The instrument is now ready for use.
CAUTION Check after the first dives for possible moisture under the transparent
battery compartment lid, indicating a leak.
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