1, charge the remote control. Before using the remote control, it needs to be charged to ensure that the remote control can work normally.
2. Install the battery. If the remote controller is battery driven, it is necessary to install the battery before the next operation.
3. Turn on the remote control. Most remote controllers have an on-off button, which needs to be turned on before the next operation.
4. Align the instrument. Just aim the remote control at the instrument and you can operate it.