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©2012 Johnson Level & Tool
Fine/Coarse accuracy key
Power on and press the
fine/coarse accuracy key, the
unit will cycle between three
accuracy options: fine, coarse
1, coarse 2. The accuracy
symbol displayed on the LCD will change.
Volume Key
Power on and press the volume
key, the unit will cycle between a
high sound, low sound and mute.
The sound symbol displayed on the LCD will change accordingly.
Note:
There will be two beeps when turning the unit on and off.
There will be one beep when changing functions.
Detecting Laser Level Signals
While detecting laser signals, the LCD will display as follows: (take
the set-up state of high sound and fine detection as an example)
Laser signal
The laser signal is down
Sound: rapid short beeps
Laser signal
The laser signal is up
Sound: slow short beeps
Laser signal
Horizontal bar indicated on-grade
Sound: continuous sound
No laser signal is detected
Sound: no sound
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