. Utente's calibrazione
a. Turn off the equipment. Put the equipment on a flat and smooth solid surface. (vedi the following figure).
c. Keep the equipment still for a period of time and then press the HOLD button, display reads "CAL1".
d. In the same location, rotate the equipment 180 degree (see the following figure), then press the HOLD button, display reads "CAL2". After the "CAL2" disappears, the calibration is completed and then the LCD will show the current angle in high-accuracy-display.
NOTE: ● The calibration must be performed on a flat and smooth surface with the tilt no more than 5 degree . If it exceeds 5 degree , display reads "Err", that indicates the user can't proceed to do the calibration.
● Durante calibrazione, il livello anche nonso essere smussato o spostato.
