User's Manual

8
3. Initial setup
3.1 On & Off
Press and hold the key ‘On/Off’ (the buzzer remains buzzer)
until the screen displays pictures. The instrument is now
switched on.
After self-checking, the instrument enters Angle Mode
automatically (see details in 5. Angle Mode for details)
Pressing power key will leads to a dialogue box. Press
[ENT] to turn off the instrument.
3.2 Set up the tilt correction of horizontal and
vertical angles
When the tilt (inclination) sensor is on, the instrument will
display the automatic correction value for the vertical angle
caused by not strictly level. In order to ensure the accuracy of
the angle measurement, try to use tilt sensor whose display can
be used to level the instrument better.
If displaying ‘Tilt over!’ in the ‘Vz’ column, it indicates that
the instrument beyond the range of the automatic compensation,
and it needs to be leveled by adjusting foot screw.
Operations :under the basic measurement interface, press
the key [0],then enter the electric bubble interface as follow：
Bubble
DIGIT
↔
D AS AOFF
ON
ON
↔
1）The horizontal arrow “↔” will displays “OF” by