22
A1
A2
2.
1.
A3
A2
A2
A1
4.
3.
A3
A2
<
0,
15
m
m
/
m
=
O
K
EN
Preparing the calibration check
It is possible for you to check the calibration of the laser. To do this, position
the device
midw ay
betw een 2 w alls, w hich must be at least 5 metres apart.
Sw itch the device on
(Laser cross ON)
. The best calibration results are
achieved if the device is mounted on a tripod.
1.
M ark point A1 on the w all.
2.
Turn the device through 180° and mark point A2. You now
have a horizontal reference between points A1 and A2.
Performing the calibration check
3.
Position the device as near as possible to the w all
at the height of point A1.
4.
Turn the device through 180° and mark point A3. The
difference betw een points A2 and A3 is the tolerance.
If points A2 and A3 are more than 0.15 mm / m, the device is in
need of calibration. Contact your authorised dealer or else the
UM AREX-LASERLINER Service Department.
!
