Prexiso T.O.2 Manuel De L'utilisateur page 26

Measurement of
vertical angle
1. Measurement of 0° angle of vertical angle
0° angle position can be set as follows in the initial setting:
0°
90°
180°
ZEN==0 (Zenith 0°)
2. Compensation of the tilt sensor to vertical angle
• The working range of the vertical tilt sensor is
±3'. Within this range the vertical readings will
be corrected.
270° 0°
T.O.2 | 24
90°
180°
270°
ZEN==90 (Zenith 90°)