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3. Release the [POWER/TARE] key and [MODE] keys.
4. Press the [POWER/TARE] key again. The display
will show AL 0 followed by the required calibration
weight. Place the required weight on the scale.
5. Once the scale is stable, the LCD will display AL F.
Calibration is complete! AL E means calibration failure
(Repeat steps 1 - 5)
M-50, M-250, M-500 Calibration Method
1. Turn OFF the scale.
2. Press and hold the [MODE] key and [POWER/
TARE] key at the same time until the display shows a
random number.
3. Release the [POWER/TARE] key and [MODE] keys.
4. Press the [POWER/TARE] key again. The display
will show AL 0 followed by the required calibration
weight. Place the required weight on the scale.
5. Press [POWER/TARE] once more. If the display
shows AL F, calibration is complete! AL E means
calibration failure (Repeat steps 1 - 5).