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Johnson Level & Tool Mfg. 40-6048 User Manual

Page 9

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©2009 Johnson Level & Tool

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Horizontal Calibration

1. Press and hold the CAL/REF key for 3-plus seconds, unit will beep

once. When the LCD shows -0-, the digital level has entered the
calibration mode.

2. Place the digital level on the horizontal reference surface, as shown in

figure 5, after 10 seconds, press the CAL/REF again, and the LCD
shows -1-.

3. Turn the digital level 180 degrees, as shown in figure 6, and after 10

seconds, press the CAL/REF key again, and the LCD shows -2-. Wait
for 2 seconds, and the digital level will show the angle reading. The
horizontal calibration is now completed.

Vertical Calibration

1. Press and hold the CAL/REF key for 3-plus seconds,

unit will beep once. When the LCD shows -0-, the
digital level has entered the calibration mode.

2. Place the digital level on the vertical reference sur-

face, as shown in figure 7, after 10 seconds, press
the CAL/REF again, and the LCD shows -1-.

3. Turn the digital level 180 degrees, as shown in

figure 8, and after 10 seconds, press the CAL/REF
key again, and the LCD shows -2-. Wait for 2
seconds, and the digital level will show the angle reading. The
vertical calibration is now completed.

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