the laser measure off after use. Other persons could
be blinded by the laser beam.
protect the laser measure against moisture and di-
rect sun light.
Do not subject the laser measure to extreme temper-
atures or variations in temperature. As an example,
do not leave it in vehicles for a long time. In case of
large variations in temperature, allow the laser mea-
sure to adjust to the ambient temperature before put-
ting it into operation. In case of extreme temperatures
or variations in temperature, the accuracy of the laser
measure can be impaired.
Avoid heavy impact to or falling down of the laser
measure. After severe exterior effects to the laser
measure, it is recommended to carry out an accuracy
check (see "Accuracy Check of the Distance Measure-
ment", page 25) each time before continuing to work.
– To switch on the measuring tool and the laser,
– To switch on the measuring tool without the laser,
look into the laser beam yourself, not even from a
large distance.
The values in the memory and the device settings are
retained when you switch the laser measure off.
2610059289 01-21 GLM165-G.indd 23
Switching On and Off
briefly press the measuring button (5) [ ].
briefly press the on/off button (8) [ ].
Operation
Do not leave the switched-on laser
measure unattended and switch
Do not point the laser beam at
persons or animals and do not
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