HEDÜ M-I Mode D'emploi page 21

Laser-Detector HEDÜ L241
(partly contained in the extent of supply)
The laser detector HEDÜ L241 is coordinated with the
frequency of your HEDÜ M-I or M-IIS optimally. By the
precise coordination, disturbances by other light sources are
avoided extensively.
For the regulation of differences in altitude inside or outside,
the laser detector can be fastened to a surveyor's pole with
the bracket.
Switching on/off of the laser detector.
Switchover of the laser detector between close area up to 10
m and wide area.
The chosen mode is displayed by the LED at the button:
yellow = close area
red
Switching on/off of the acoustic signal.
= wide area
Surveyor's poles e.g.
HEDÜ 1140 or HEDÜ
S505.
21