Bosch GRL 250 HV Professional Original Instructions Manual page 34

OBJ_BUCH-757-006.book Page 34 Wednesday, September 29, 2010 11:21 AM
34 | English
Measuring Over Long Distances (see figure G)
When measuring over long distances, the laser
receiver must be used to find the laser beam. In
order to reduce interferences, the measuring
tool should always be set up in the centre of the
work surface and on a tripod.
Overview of Indications
Switching on the measuring tool (1 s self-
check)
Levelling in or re-levelling
Measuring tool levelled in/ready for opera-
tion
Self-levelling range exceeded
Shock-warning function activated
Shock warning actuated
Battery voltage for ≤2 h operation
Battery empty
2 610 A14 633 | (29.9.10)
Working Outdoors (see figure H)
The laser receiver should always be used when
working outdoors.
When working on unstable ground, mount the
measuring tool onto the tripod 26. Activate the
shock-warning function in order to avoid faulty
measurements in case of ground vibrations or
shock to the measuring tool.
green red
2x/s 2x/s
2x/s
2x/s
* for line and rotational operation
2x/s Flashing frequency (twice per second)
Continuous operation
Function stopped
green red
2x/s
2x/s
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