Product Manual

vertical index error adjustment mode. The instrument

displays vertical angle on the second line and “1” on

the third line.

(3)Rotate the telescope up and down to initialize the

vertical angle, aim the cross-hairs of collimator or the

target which is not apart away from horizontal line ±

10°, then press and holding down key, the

buzzer sound once, and about 2 seconds later, release

the key, the LCD will display “2” on the third line.

(4) Turn the instrument around 180°, and aim the

same target, press and holding down the

key, the buzzer sound once, and about 2 seconds later, release the key, the

adjustment finish and enter into measurement mode automatically.

NOTE:

1. After the adjustment of vertical index I, please check it again.

2. If the horizontal angle in absolute encoder mode, then it needs initialization to

enter measurement mode.

Vertical index I adjustment

Vz: 091°51′37″

: 2

Turn 180°and aim the same

target. press and hold down

① key, about 2 seconds

laser, release it, the

instrument come into angle

measurement mode