Bosch GLM400C Operating/Safety Instructions Manual page 39

The
the
not
(horizontal or vertical).
The measuring tool was
moved or tilted while pressing
the button.
Bluetooth
The battery is too low.
No Bluetooth
Failure of the Bluetooth
connection
2610049010 10-17 GLM400C.indd 39
surfaces used
calibration
accurately aligned
cannot be activated
®
connection
®
for Repeat the calibration on a
were horizontal or vertical surface;
if required, check the surface
first with a level.
Repeat the calibration and
hold the measuring tool in
place while pressing the
button.
Change the measuring tool's
battery.
Switch
®
Bluetooth
tool and the mobile device.
Check the application on
your mobile terminal/device.
Check
activated on your measuring
tool and mobile terminal/
device.
Check your mobile terminal/
device for overload.
Reduce
between measuring tool and
your mobile terminal/device.
Avoid obstructions (e.g.,
reinforced concrete, metal
doors) between measuring
tool and
terminal/device. Observe
clearance to electromagnetic
disturbances (e.g., WLAN
transmitters).
off and restart
on the measuring
®
if Bluetooth
®
the distance
your mobile
is
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