Bosch GLM 40 Consignes D'utilisation/De Sécurité page 16

Changing the Unit of Measure
Switching the Sound On and Off
The sound is switched on by default.
Display Illumination
The display illumination is continuously switched on. When no
button is pressed, the display illumination is dimmed after approx.
10 seconds to preserve the batteries. When no button is pressed
for approx. 30 seconds, the display illumination goes out.
Press and hold the function button 4 until the
image shown to the left is displayed. Use button
3 and button 6 to cycle through the units of
measurement. Once the desired unit of
measurement is displayed, press the
measurement button 2 to return to measuring.
Press and hold the function button until you see
the Changing the Unit of Measure display. Press
function button 4 again to see the image
displayed to the left. Use button 3 and 6 to adjust
the sound preference. Sound OFF will display
when the sounds has been turned off.
To switch the sound back on, use button 3 and
6 to adjust the sound preference. Sound On will
display when the sound has been turned on.
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