Johnson Level & Tool Mfg. 40-6584 User Manual

Page 22

(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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