Bosch RC5 Operating/Safety Instructions Manual page 29

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X-axis and Y-axis Calibration
Calibration is only possible by using the laser
receiver LR40G. The laser receiver must be
connected to the laser level via Bluetooth®
(see "Establishing a connection to the remote
control/laser receiver", page 20).
The positions of the laser level and laser re-
ceiver cannot be changed during calibration
(with the exception of the outlined align-
ments or rotations described). Therefore po-
sition the laser level on a firm, level surface
and secure the laser receiver.
Calibration should be performed via the
Bosch Leveling Remote App if possible.
There is less likelihood of error when control-
ling the tool via the app. Otherwise, the laser
level's position can be altered if buttons are
pressed without due care.
For calibration without the app, the corre-
sponding buttons on the laser level must be
pressed. It is not possible to use the remote
control during calibration.
A free measuring distance of 100 ft (30 m) on
a firm surface is required. If no such measur-
ing distance is possible, calibration can also
be performed with lower measuring accuracy
on a measuring distance of 50 ft (15 m).
Mounting the laser level and the laser
receiver for calibration
Mount the laser level in the horizontal posi-
tion 100 ft (30 m) or 50 ft (15 m) from the
laser receiver on the tripod (44) or position it
on a firm, level surface.
Secure the laser receiver LR40G at the cor-
rect height:
– Either to a wall or to another surface by
means of magnets or the suspension hooks
on the laser receiver,
– or to a securely fastened measuring rod
(43) with the holder for the laser receiver.
To do this, consult the operating instructions
for the laser receiver.
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Aligning the laser level for calibration
Align the laser level so that the X-axis indica-
tor imprinted on the laser level with the "+"
side is pointing to the laser receiver. For this,
the X-axis must be perpendicular to the laser
receiver.
To start calibration:
– For calibration via the Bosch Leveling Re-
mote App: Switch on the laser level. Start
calibration in the app. Follow the instruc-
tions in the app.
– For calibration without the app: Switch on
the laser level and the laser receiver. Make
sure that both of these are connected via
Bluetooth®. Start the calibration by press-
ing the on/off button on the laser receiver
and the CenterFind mode button on the
laser receiver at the same time. "CAL" will
appear on the display of the laser receiver.
Press the CenterFind mode button on the
laser receiver to cancel the calibration, if re-
quired.
In the menu that appears in the
laser level display after starting
the calibration, select the existing
distance between the laser level
and the laser receiver. To do this, press the
buttons ▲ (4) or ▼ (3). Confirm your selection
with by pressing the slope button (14).
To confirm the selected measur-
ing distance ( ), including the
corresponding leveling accuracy,
on the display which appears,
press the slope button (14). To go back to se-
lecting the measuring distance ( ), press the
line operation button (5).
Align the height of the laser receiver so that
the variable laser beam (8) on the laser re-
ceiver is indicated as "centered" (see operat-
ing instructions for the laser receiver). Secure
the laser receiver at this height.
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