to current position )
- Below: Time
- Outer ring: Three black points (Always indicating North)
9. Battery replacing
This unit adopts 3v lithium battery. Model no. is CR2032.
NOTE: To reduce the risk of fire or burns, do not crush, puncture or
dispose of used batteries in fire or water. Recycle or dispose of
used batteries properly.
NOTE: Please take care of O-ring at battery notch. If it is missed,
the waterproof level will be reduced.
NOTE:: Turn on backlight high frequency will reduce battery life.
Install or change battery:
1) Adopt a coin and rotate anticlockwise to open battery case.
Please take care O-ring on battery notch and keep unit clean and
dry, take off old battery
2) Keep BTT+ at top and install battery
3) Cover the battery case, align thread and rotate clockwise.
Normally rotation will be very easy. When you have to rotate it
powerful, the thread may not be aligned or be broken.
4)Tighten up battery case
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