21
Horizontal Calibration
(1)Checking Calibration
1
Set up a tripod 30m(98ft) from a wall. Mount the instru-
ment on the tripod, facing the X1 toward the wall.
2
Turn the unit on and allow auto-leveling to complete.
3
Place a piece of paper on the wall. Detect a laser posi-
tion on the wall with target and mark it. Turn the instru-
ment off.
4
Loosen the tripod screw, rotate the instrument 180
degrees.
Note
• When rotating the instrument, avoid knocking it off level.
30m (98feet)
Target
Wall
Instrument as seen from above
Panel side
