Bosch GRL145HV - NA Horizontal And Vertical Electronic Self-Leveling Ro Operating/Safety Instructions Manual page 11

Attaching the RCR2 to the Bracket
The RCR2 can be attached to the its bracket
with either a level or plumb allocation
depending on whether it is being used to
locate the level or plumb laser beam.
Level laser detection
The bracket's clamp is used to attach it to a
grade/leveling rod.
Operation
1. Activate the RCR2 by pressing its power
on/off button. The unit emits a single beep,
and icons in the lower portion of the LCD
display appear, showing all available
options. This confirms that the unit is
activated, but the GRL145HV and RCR2
have not been turned on.
RF remote control / Laser detector activated
2. Turn on the tool by pressing the laser
on/off button from the keypad. As soon as
the tool is turned on, the displayed icons
confirm that the laser has started in
Rotation mode, at the slowest speed.
Note: The LCD display shows the laser modes
for commands transmitted to the tool from the
RF remote control. Commands made from the
tool controls are not shown on the RF remote
control/laser receiver-detector LCD display.
Laser beam in rotation mode, detector off
CAL
Plumb laser detection
CAL
3. Select the Operating Mode by pressing
the dithering/dot button to change to
dithering/dot mode
Laser beam in dithering/dot mode, detector off
The laser dot or dithering line can be
positioned through a 360° range in the level or
plumb plane by pressing one of the two
Dot/Line position control buttons. In dot mode,
a single press of either buttons will move the
dot in small increments in the corresponding
direction. Pressing and holding either button
moves the dot in continuous slow motion for
the first five seconds, and pressing and
holding beyond five seconds moves the dot in
faster speed.
4. Manual Sloping The RCR2 can be used
to put the tool into manual slope mode by
pressing the rotation and dithering/dot
buttons simultaneously and holding for 3
seconds. The unit will beep twice to
indicate the unit is in manual slope mode.
Note that the unit will not self-level when in the
manual slope mode.
Use the slope control buttons located on
the lower portion of the keypad to move
the beam up or down to the desired slope
angle. While in the manual slope function,
the tool can be operated in the point,
dither or rotation modes. When the beam
reaches its minimum or maximum
allowable slope, a continuous beep sound
is heard on further key press.
When the beam reaches its minimum or
maximum allowable slope, a continuous
beep sound is heard on further key press.
To return the tool back to the self-leveling
mode, press the rotation and dithering/dot
buttons simultaneously for 3 seconds. The
unit will beep once to indicate that it is
back in self-leveling mode.
Laser beam in manual slope dot mode,
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Detector off