Signal transmission distance: about 300m
Battery: transmitter 6F22/9V, 1; receiver 6F22/9V, 1
Maintaining
Do not attempt to repair this instrument unless you are professional and own
relevant calibration, performance testing, and repair information.
Clean the case regularly with a damp cloth and a small amount of detergent. Do not
use abrasives or chemical solvents.
Battery replacement
Please follow the steps below to replace the battery:
1. Use a screwdriver to remove the screw from the battery cover.
2. Remove the battery cover and remove the old battery.
3. Replace the new battery of the same specification.
4. Install the battery cover and tighten the back cover with screws.
- 07 -