Product Manual

C. Using the CJ4000
Setting up to measure horizontal ceilings:
19. There several common styles of crown
molding and many custom options possible.
The example below is 52º/38º crown molding.
20. Loosen the lock knobs and rotate the trim
pieces to fit properly in the corners. To measure
corners of walls and horizontal ceilings set the
gauge as shown below:
21. Check for proper the alignment of the trim on
a flat surface
.
22. Make sure that both pieces of trim align
parallel with each other and lock the arms in
place.
23. For 52º/38º crown molding the spring angle
on the display should read close to 38º
The face of the gauge is
parallel to the floor
5
19
Bottom of trim
Top of trim
21
22
23
20
The face of the gauge is parallel to the floor