10
positive
Step 2
Put the batteries into the battery bay of the device and note the positive and negative poles of the battery, please do not insert the
battery reversely.
Step 3
After inserting the batteries, put the lid back on and tighten the four screws.
Note:
Please do not disassemble the device unless it is required to replace the batteries.
Do not touch the waterproof gasket, LED indicator light, function keys when replacing the batteries. Please use suitable
screwdriver to tighten the screws (if using an electric screwdriver, it is recommended to set the torque as 4kgf) to ensure the device
is impermeable.
negative