User Manual

1. Position the receiver at the midpoint of the two marks on the wall.
2. Add/subtract grade in the appropriate axis using the up/down buttons.
The grade appears in the LCD.
Note: The up/down buttons needed to calibrate the ∠ axis on single slope
lasers are “hidden” behind the control panel.
3. When the beam is centered in the receiver, use the following “hidden”
button sequence to store the new calibration value and to zero out the
grade display:
a) Press and hold the manual button
b) Quickly press and release the power button (do NOT press the
power button long enough to turn off the laser
c) Press and release the up button for the ∠ axis
d) Release the manual button
e) The grade display will zero out to indicate calibration is
complete.
4. Rotate the laser 180° back to the original face. Make sure this axis is less
than 5/16 in. (8 mm) from the midpoint line.
Note: If additional adjustment is required, repeat steps 1-3 above.
5. After adjusting the ∠ axis, rotate the laser 90°. Repeat the above starting
with the –∠axis facing the wall.
Adjusting the Calibration Using the Radio Remote Control
1. Position the receiver at the midpoint of the two marks on the wall.
2. Add/subtract grade in the appropriate axis using the grade
increase/decrease modes (one-way radio remote control: Grade Bump;
two-way radio remote control: Grade Change).
3. When the beam is centered on the receiver’s LCD, use the following
radio remote control button sequence to store the new calibration point
and to zero out the grade display:
f) Turn off the radio remote control
g) Press and hold the manual button
h) Turn on the radio remote control. “Calibration” appears in the
LCD.
i) Press the enter button to confirm the selection.
j) The grade display on the laser and two-way radio remote
control will zero out to indicate calibration is complete.
4. Rotate the laser 180° back to the original face. Make sure this axis is less
than 5/16 in. (8 mm) from the midpoint line.