User guide

Care and Maintenance
NiTek X Dive Computer User Manual v1.1 48
• CO8212 Battery Door Tool (provided with NiTek X)
• CR123A Lithium battery
• Silicone grease
• Lint-free cloth
• Cotton swabs
• Pencil with a good eraser tip
To replace the battery:
1. Locate the battery compartment. It is inside the small
knurled cap on the upper-right side of the computer.
2. Using the Battery Door Tool, remove the knurled cap. Be
sure to hold the computer with its right side facing down to
minimize any water droplets from getting into the battery
compartment.
3. Examine the battery and battery compartment for signs of
corrosion. Wipe off any sand or dirt from the cover and o-
ring using a cotton swab.
4. Remove the old battery.
5. Clean the new battery contacts with the pencil eraser.
6. Remove the o-ring from the cap. Be careful not to damage
the o-ring.
7. Clean the o-ring, and place a thin layer of silicone grease on
the o-ring.
8. Install the o-ring in the cap.
9. Install the new battery, making sure that the polarity is
correct (positive end faces inward).
10. Install the battery cap, using the Battery Door Tool. Do not
over-tighten.
11. Reset the time, date, mixture settings, etc.