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OBJ_BUCH-2468-004.book Page 19 Tuesday, February 23, 2016 2:23 PM
around the measuring tool; for thick pipes, thread the
fastening strap through the openings with the smooth side
facing inward.
Always secure the measuring tool with both fastening
straps and check the tight seating of the straps. The
holding force of the straps 23 depends on the nature of the
material that they are being fastened to. Loosely attached
measuring tools can slip down and become damaged or
cause damage.
Do not allow children to use the fastening straps 23
without supervision. Possible danger of injury through the
fastening straps.
Switching On and Off
Do not leave the switched-on measuring tool unattend-
ed and switch the measuring tool off after use. Other
persons could be blinded by the laser beam.
Press the "ON/OFF" switch 18 to switch the measuring tool on
or off.
If no button on the measuring tool is pressed for approx.
30 mins or the grade of the measuring tool is not changed by
more than 1.5 °, then grade measurement and the display are
automatically switched off to save the battery.
Switching the Laser On and Off
To switch on the laser beam, press the On/Off button for laser
beam 15.
Do not point the laser beam at persons or animals and do
not look into the laser beam yourself, not even from a
large distance.
To switch off the laser beam, press the On/Off button for laser
beam 15 again.
Do not leave the measuring tool unsupervised with the
laser switched on, and switch the laser off after use.
Other persons could be blinded by the laser beam.
When not using the laser, switch it off in order to save energy.
Changing the Unit of Measure (see figure A)
You can switch between the units of measure "°", "%" and
"mm/m" at any time. To do so, press the button for changing
the unit of measure 19 repeatedly until the required unit of
measure appears in indicator e. The current measuring value
will be automatically converted.
The unit-of-measure setting is retained when switching the
measuring tool on or off.
Switching the Audio Signal On/Off
The audio signal can be switched on/off with the audio signal
button 16. When the audio signal is switched on, indicator g
appears in the display.
When you switch on the measuring tool, the audio signal is
switched on as standard.
Measured-value Indication and Alignment Aids
For each movement of the measuring tool, the measured value
is updated. After moving the measuring tool to any extent, wait
until the measured value no longer changes before reading the
value.
Depending on the position of the measuring tool, the measured
value and the unit of measure are indicated in the display rotat-
ed by 180°. Thus, the indication can also be read for overhead
work.
The measuring tool uses alignment aids a on the display to
show in which direction it has to be tilted in order to reach the
target value. In standard measurements the target value is the
horizontal or vertical, in the "Hold/Copy" function it is the
stored measuring value, and when using a changed zero point
it is the stored zero point.
When the target value is reached, the arrows of the alignment
aids a go out and a continuous audio signal sounds when the
audio signal is switched on.
Measuring Functions
Holding/Copying a Measured Value (see figure D)
Two functions can be controlled with the "Hold/Copy" button
21:
– Holding ("Hold") of a measured value, even when the meas-
uring tool is moved afterwards (e.g., because the measuring
tool is in a position in which the display cannot be read);
– Copying ("Copy") of a measured value.
"Hold" function:
– Briefly press the "Hold/Copy" button 21. The current
measuring value d is held on the display and stored, and
indicator "H" flashes.
Bosch Power Tools
English | 19
1 609 92A 25G | (23.2.16)
