Operation; Switching On And Off; Measuring Procedure - Bosch GLM 42 Operating/Safety Instructions Manual

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 laser measure and the laser, press
– To switch off the laser measure press and hold
The values in the memory and the device settings are
retained when you switch the laser measure off.
look into the laser beam yourself, not even from a
long distance.
Once switched on, the laser measure is in the real
time measuring function. The laser is automatically
activated and the laser measure is measuring. You can
set other measuring functions by pressing the function
2610051599 03-18 GLM42.indd 15

Switching On and Off

the measure button 2 [ ] or clear/ on/off button
5 [ ].
clear/ on/off button 5 [ ].

Measuring Procedure

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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