BTI MLL 150 Notice D'utilisation page 71

3. Position the detector so that the sensor window (u) is facing
4. Use the marking notches (p) to accurately mark the position of
MOUNTING ON A GRADE ROD (FIG. 9, 10)
1. To secure your detector to a grade rod, first attach the detector to
2. Open the jaws of the clamp by turning the clamp knob (a1)
3. Position the detector at the height needed and turn the clamp
4. To make adjustments in height, slightly loosen the clamp,
N565330 crossline laser MLL 150 BTI - Part A - WithGreen.indd 69
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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.
Above
Grade
fast
beep
the laser beam.
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.
counterclockwise.
knob clockwise to secure the clamp on the rod.
reposition and retighten.
INDICATORS
Slightly On
Above Grade Grade
fast steady
beep tone
ENGLISH
Slightly Below
Below Grade Grade
slow slow
beep beep
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