User's Manual

6
3. Insert 1x AAA battery into the battery
holder;
4. Put the battery cover back into position.
Note
 Ensure battery polarity (+) (-) is correct.
 Do not leave bad or exhausted battery
in the device.
 Please remove battery if device is not
used for a long period.
 If the device does not function correctly
or if the operating range becomes
reduced, try to replace the battery with
new one.