Bosch GLL 50 User Manual

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Switching On and Off
To save energy, only switch the measuring tool on when you are us-
ing it.
Do not leave the switched-on measuring tool
unattended and switch the measuring tool
off after use. Other persons could be blinded by the laser beam.
– To switch on the measuring tool, slide the On/Off switch 2 to po-
sition “
” (for working without automatic leveling) or to position
“ ” (for working with automatic leveling).
As soon as it is switched on, the measuring tool projects laser lines
from the exit openings 1.
Do not point the laser beam at persons or
animals and do not look into the laser beam
yourself, not even from a long distance.
– To switch off the measuring tool, slide the On/Off switch 2 to posi-
tion “Off ”.
The pendulum unit is locked when the tool is switched off.
When exceeding the maximum permitted operating temperature of
122° F (+ 50° C), the measuring tool switches off to protect the laser
diode. After cooling down, the measuring tool is ready for operation
and can be switched on again.
Automatic Shut-off
When no button on the measuring tool is pressed for approx. 120 min-
utes, the measuring tool automatically switches off to save battery life.
– To switch the measuring tool back on after automatic shutoff, you can
either slide the On/Off switch 2 to position “Off” first and then switch the
measuring tool back on, or press button 6.

Bosch GLL 50 Specifications

General

Laser Class	Class 2
Laser Diode	635 nm, < 1 mW
Leveling Type	Self-Leveling
Range	Up to 50 ft
Protection Class	IP54
Mount Threading	1/4"
Operating Temperature	14° F / -10° C up to 122° F / 50° C
Battery	3 x AA