Bosch Professional GLM 50-27 CG Original Instructions Manual page 34

34 | English
Deactivating the Bluetooth® interface
Press the button to bring up the Bluetooth® menu and press the
deactivate the Bluetooth® interface.
Accuracy Check
Regularly check the accuracy of the grade measurement and distance measurement.
For more information, you can access the online operating instructions at
www.bosch-pt.com/manuals
Error Message
If a measurement cannot be performed correctly, the error message Error will appear in
the display.
Try to perform the measuring process again.
If the error message appears again, switch the measuring tool off and back on, and
start the measurement again.
The measuring tool monitors correct operation in every measurement. If a de-
fect is detected, the display will indicate only the symbol shown opposite and
the measuring tool switches itself off. In this case, have the measuring tool
checked by an after-sales service agent for Bosch power tools.
Maintenance and Service
Maintenance and Cleaning
Only store and transport the measuring tool in the protective bag provided.
Keep the measuring tool clean at all times.
Never immerse the measuring tool in water or other liquids.
Wipe off any dirt using a damp, soft cloth. Do not use any detergents or solvents.
Take particular care of the reception lens (15), which must be handled with the same level
of care you would give to a pair of glasses or a camera lens.
If the measuring tool needs to be repaired, send it off in the protective bag (18).
1 609 92A 6XT | (03.09.2021)
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