How do you calibrate the jsvg scale

Calibration - You must have an accurate 20g weight in order to calibrate

1. Ensure the scale is off and place on a stable surface

2. Press and hold [UNIT] button turn on the scale. Release [UNIT] when the display shows the AD value (a series of random numbers).

3. Press [UNIT] again, the LCD display will show "0SAVE" and them the required calibration weight.

4. Gently place the required weight on the scale and press [UNIT].

5. The display will show "0SAVE" and return to the AD value.

6. Calibration is complete, remove the weight and turn the scale off.