Product Manual

33
9.7 Check and adjustment of the vertical index
error i
Check
(1)Set-up the instrument on tripod or platform and
level it accurately.
(2)Aim at the cross-hairs of collimator or the target
which is not apart away from horizontal line ±10°.
Then read the face left angle reading Vl and the face
right angle reading Vr.
(3)Calculating the vertical index error i according to i
= ( Vl + Vr - 360°) / 2
(4)If i＜15″, no adjustment will be necessary.
If i＞15″, proceed with the following adjustment.
Adjustment
(1)Set-up the instrument on tripod or adjustment
platform and level it accurately.
(2)Press the key and release, the instrument
enter into initialization mode, and then press and
holding down SHIFT key, the buzzer sound once,
about 2 seconds later, release the key, it will enter into
Press and holding down
SHIFT key, about 2 seconds
laser, release it
Switch on
Vz: SET 0
H
R
: SET 0
Vz: SET 0
H
R
: 1
Initialize vertical angle and
aim target, press and hold
down ① key, about 2
seconds later, release it