©2005 Johnson Level & Tool
13
(c) Using the clamp holder
1. clamp bolt
2. button
3. M5 screw
(d) Detection
1. Coarse detection
• Aim the receiving window at the
rotating laser instrument. Loosen the
clamp bolt and move the instrument
up and downwards to receive the
laser scanning signals transmitted by
the rotating laser instrument.
• When the instrument displays like
Fig. (A), move the instrument slightly
downwards as indicated by the arrow.
When it displays like Fig. (B), move it
slightly upwards as indicated by the
arrow.
• When Fig. (C) is displayed, the instrument is at the right position.
• Tighten the clamp bolt and mark the position of the object on the
rabbet. This mark will be the horizontal reference of the coarse
detection.
40-6520_6530 4/20/05 4:12 PM Page 13
