User calibration
1. In the shutdown state, the key ’ ON / OFF ’ is pressed for a long time, and the key ’ MODE ’ is pressed 4 – 5 times quickly. The screen will display an internal code. Release these two keys.
2. At this time press the MODE key again, the display screen first displays 20kg , then displays zero.
3. Put the required weight on the platform.
4. After the reading is stable, the PASS is displayed on the display screen by pressing the ‘ MODE ’ key, and the calibration is completed