Chaoxing weighing machine scale school scale

Guangzhou Guangheng electronic weighing instrument (high-priced) platform scale voltage calibration, please do not connect the battery when voltage calibration, only use AC power supply; Plug in the short-circuit plug after the self-inspection, press the [Clear] key first, and then press the [Strip] key within two seconds.

Enter the calibration, connect the calibration short-circuit socket, and start the machine and directly enter the calibration mode.