1 609 929 R04 | (13.6.08)
Bosch Power Tools
12
| English
Working with Automatic Levelling
(see figures A–B)
Position the measuring tool on a level and firm
support, hold it by the contact surfaces
6
against
a vertical surface or attach it to a tripod
11
.
After switching on, the levelling function auto-
matically compensates irregularities within the
self-levelling range of
±
4°. The levelling is fin-
ished as soon as the laser beams do not move
any more. The indicator
2
lights up green.
If the automatic levelling function is not possible,
e. g. because the surface on which the measuring
tool stands deviates by more than 4° from the
horizontal plane, the indicator
2
lights up red and
the laser is automatically switched off. In this
case, bring the measuring tool to the level posi-
tion or hold it by the contact surfaces
6
straightly
against a vertical surface, and wait for the self-
levelling to take place. As soon as the measuring
tool is within the self-levelling range of
±
4° again,
the indicator
2
lights up green and the laser
beams are switched on.
When not within the self-levelling range of
±
4°,
working with the measuring tool is not possible,
because it cannot be assured that the laser
beams run at a right angle to each other.
In case of ground vibrations or position changes
during operation, the measuring tool is auto-
matically levelled in again. To avoid errors, check
the position of the horizontal and vertical laser
line with regard to the reference points upon
re-levelling.
Working Advice
Working with the Tripod (see figure C)
A tripod
11
offers a stable, height-adjustable
measuring support. Place the measuring tool via
the tripod mount
8
onto the 1/4" male thread of
the tripod and screw the locking screw of the
tripod tight.
Holding Laterally against a Wall or Object
(see figure D)
For quick checking of heights, the measuring tool
can be held by the contact surfaces
6
laterally
against a vertical wall, cabinets, etc. Take care to
hold the measuring tool straightly and calmly.
Laser viewing glasses (Accessory)
The laser viewing glasses filter out the ambient
light. This makes the red light of the laser appear
brighter for the eyes.
f
Do not use the laser viewing glasses as
safety goggles.
The laser viewing glasses are
used for improved visualisation of the laser
beam, but they do not protect against laser
radiation.
f
Do not use the laser viewing glasses as sun
glasses or in traffic.
The laser viewing glasses
do not afford complete UV protection and
reduce colour perception.
Maintenance and Service
Maintenance and Cleaning
Store and transport the measuring tool only in
the supplied protective case.
Keep the measuring tool clean at all times.
Do not immerse the measuring tool into water or
other fluids.
Wipe off debris using a moist and soft cloth. Do
not use any cleaning agents or solvents.
Regularly clean the surfaces at the exit opening
of the laser in particular, and pay attention to any
fluff of fibres.
If the measuring tool should fail despite the care
taken in manufacturing and testing procedures,
repair should be carried out by an authorized af-
ter-sales service centre for Bosch power tools.
In all correspondence and spare parts orders,
please always include the 10-digit article number
given on the type plate of the measuring tool.
In case of repairs, send in the measuring tool
packed in its protective case
9
.
OBJ_BUCH-693-002.book Page 12 Friday, June 13, 2008 2:17 PM
