1. First install the battery for the laser range finder. If it can be directly charged, fully charge the battery before use.
2. Each laser meter will have a power switch, and some tap the launch button. The eyepiece can be seen in the standby state through the eyepiece. After turning on the power, select the unit before measuring, and press and hold the mode button.
3. Aiming at the object to be measured by the laser head of the range finder, make sure to press the launch button after aiming, and the measurement distance will be displayed on the internal LCD display.