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©2016 Johnson Level & Tool - Rev. 2
(e) 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)
When the laser signal is near the on-grade mark, the displayed up
and down arrows will decrease as the distance to the on-grade
mark decreases.
1. When detecting a horizontal laser signal, it is
important to have the bubble vial centered, as the
deflection of the receiver will influence its receiving
accuracy.
2. When detecting a vertical laser signal, it is
important to have the bubble vial centered, as the
deflection of the receiver will influence its receiving
accuracy.
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
Laser signal
Laser signal
Laser signal
Laser signal
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