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Magnets
The magnets (t) allow the detector to be mounted to the metal tracks 
during the installation of asuspended ceiling. 
DETECTOR OPERATION (FIG. 9)
  1. Set up and position the laser. 
  2. Turn the detector on by pressing the power button (q).
  3. Position the detector so that the sensor window (u) is facing 
the laser beam. Move the detector up or down within the 
approximate area of the beam, until you have centred the 
detector. For information about the display window indicators 
and the audible signal indicators, refer to the table titled 
Indicators. 
INDICATORS
Above 
Grade
Slightly Above 
Grade
On  
Grade
Slightly Below 
Grade
Below  
Grade
audible 
 signals
fast  
beep 
fast  
beep
steady  
tone
slow  
beep
slow  
beep
display 
 icons
  4. Use the marking notches (p) to accurately mark the position of the 
laser beam.
MOUNTING ON AGRADE ROD (FIG. 9, 10)
  1. To secure your detector to agrade rod, first attach the detector to 
the clamp by pushing in on the clamp latch (v). Slide the tracks (w) 
on the clamp around the rail (x) on the detector until the latch (y) on 
the clamp pops into the latch hole (z) on the detector. 
DW089_DW089CG - User Manual - NA - May 2018.indd   24 5/25/2018   10:40:49 AM