LEVEL CAL.
Calibration
Calibrate the unit, once you found that there is accuracy drift on the unit. You can verify
the accuracy at below step:
At Step1, you measured X and Y value, X1 and Y1
At Step2, you measured X2 and Y2, in theory X1=-X2, Y1=-Y2.
If the error is too large, you can enter calibration mode to eliminate the error
Accuracy drift is causing by large ambient temperature change (5 to 10 Degree Celsius)
or the unit has been dropped.
Calibration Procedure:
Step 1: Press and hold the “Angle/Set” key enter Menu mode. Select “LEVEL CAL.”
mode, press “SET”. Place the unit on a flat table (no need perfect level table)
LCD display “DUAL AXIS CALIBRATION”, press “SET” and buzzer will beep; wait until
the beep sound stop. While the buzzer is beeping keep the unit stable.
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