BTI MLL 150 Notice D'utilisation page 69

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THE LASER BEAMS FLASH
The MLL 150 is designed to self-level up to an average of 4° in all
directions when positioned as shown in figure 2. If the laser is tilted
so much that the internal mechanism cannot level itself, it will flash
the laser beams – the tilt range has been exceeded. THE FLASHING
BEAMS CREATED BY THE LASER ARE NOT LEVEL OR PLUMB
AND SHOULD NOT BE USED FOR DETERMINING OR MARKING
LEVEL OR PLUMB. Try repositioning the laser on a more level
surface.
THE LASER BEAMS WILL NOT STOP MOVING
The MLL 150 is a precision instrument. Therefore, if the laser is
not positioned on a stable (and motionless) surface, the laser will
continue to try to find level. If the beam will not stop moving, try
placing the laser on a more stable surface. Also, try to make sure
that the surface is relatively flat, so that the laser is stable.
Laser Accessories (Optional)
DIGITAL LASER DETECTOR: LE 150 (FIG. 9)
The BTI Digital Laser Detector helps in locating a laser beam emitted
by the laser in bright light conditions or over long distances. The
detector can be used in both indoor and outdoor situations where it is
difficult to see the laser beam.
The detector is designed exclusively for use with the KLL 150 and
the MLL 150 line lasers. It is not for use with rotating lasers.
The detector gives both visual signals through the LCD display
window (m) and audio signals through the speaker (n) to indicate the
location of the laser beam.
The BTI Digital Laser Detector can be used with or without the
detector clamp. When used with the clamp, the detector can be
positioned on a grade rod, leveling pole, stud or post.
Batteries (fig. 9)
The digital laser detector is powered by a 9-volt battery. To install
the battery provided, lift up on the battery compartment cover (o).
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