How to start the display screen of double-sided glass polisher with one button

1. When the power switch is off, press the test key with your left hand and turn on the power switch with your right hand. Release the power switch when you hear the signal sound. At this point, the machine enters the positioning programming state (see the manual for details).

2. When the power switch is off, press Select Build with your left hand and turn on the power switch with your right hand. Release the power switch when you hear the signal sound.