displayed. Rotate the instrument by 90 degrees in clockwise
direction. Place it on the left edge towards display.
5) Press ZERO button once in 10 seconds. "CAL 5" wil be
displayed. Rotate the instrument by 90 degrees in clockwise
direction. Place it on the lower edge towards display.
6) Press ZERO button once in 10 seconds. "PASS" wil be
displayed. After a while "0.00 degrees" will be also displayed.
The calibration is over.
5