Using the Clamp
The clamp secures the detector to a grade rod.
Support
Bracket
Fine-tune
Height Knob
1.
To mount the clamp to a grade rod,
press the clamp release button and
pull the clamp knob out. (Figure 23)
2. Place a grade rod into the opening on
the back of the clamp. (Figure 24)
3. Press and hold the clamp release
button to close the clamp knob onto
the grade rod. Turn the clamp knob to
further tighten the clamp until secure.
(Figure 25)
4. Slide the detector onto the support
bracket until it snaps into place. Refer
to "Connecting to the Clamp" on
page 23.
©2023 Johnson Level & Tool
Fine-tune Position
Indicator
Level Bullseye
Clamp Release
Button
Clamp Knob
Figure 23
Figure 24
Figure 25
25