Remote controller battery replacement
When the remote control battery is low, need to replace the battery, please be careful to open the battery door
with a coin, avoid scratching the battery door.
When replacing the battery, put a coin inside the groove in the middle of the battery cover, to unscrew battery
cover according to direction and replace old battery (when put the new battery, please note the positive and
negative pole), then put the battery cover and screw till tighten.
（1. Open the battery cover） （2. Take out the battery）
（3. Put in the battery） （4. Close the battery cover）
