Bosch Professional GLM 40 Original Instructions Manual page 17

Avoid substantial knocks to the measuring tool and avoid dropping it. After strong
u
external influences on the measuring tool, you should always carry out an accuracy
check (see "Accuracy Check", page 18) before further work.
Switching On and Off
Press the button to switch the measuring tool and the laser on.
You can also switch on the measuring tool without the laser by pressing the
Press and hold the
The measured values and device settings in the memory are retained.
All stored values are retained when the tool is switched off.
Measuring Process
Once switched on, the measuring tool is in the length measurement function.
The rear edge of the measuring tool is always the reference level for the measurement.
Apply the measuring tool to the point at which you want to start the measurement (e.g.
wall).
If you have switched on the measuring tool with the
the button to switch on the laser.
Press the button to start the measurement.
Once the measurement process is complete, the laser beam will switch off. For a further
measurement, repeat this process.
Measured values or end results can be added or subtracted.
In the continuous measurement function, the measurement begins immediately upon
switching on the function.
For more information, you can access the online operating instructions at
www.bosch-pt.com/manuals
The measuring tool must not be moved during a measurement. Therefore, place the
measuring tool, as far as this is possible, against or on a firm stop or supporting sur-
face.
The reception lens (11) and the laser beam output (12) must not be covered dur-
ing the measuring process.
Bosch Power Tools
button to switch off the measuring tool.
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button.
button, then briefly press
1 609 92A 8LF | (06.03.2024)