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©2012 Johnson Level & Tool
(Turning in a clockwise direction):
A = X+
B = Y+
C = X-
D = Y-
3. Rotate the instrument 90°, and after self-level completes, mark a
line and label as ‘B’. Repeat two more times, labeling lines as ‘C’,
and ‘D’.
4. Measure the vertical distance ‘h’ between the highest and the
lowest points among A, B, C, and D.
5. If h=2mm or less, accuracy is qualified. If h>2mm but <10mm,
adjust the calibration. If h>10mm, please contact an authorized
service center or dealer for repair.
Accuracy Calibration of the X and Y-Axis:
1. Power off the instrument and face the X-axis to the wall.
2. Press
and
simultaneously, and then release
while still
pressing
for approximately ten seconds. The instrument will
then enter Calibration mode, and ‘CAL’ will be displayed.
3. Using the Remote Control, press the button to select the axis
to be calibrated.
4. On the remote, press the
buttons to move the laser line
up and/or down, until the laser line hits directly on reference
point ‘0’.
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