English |
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After switching on, the automatic levelling function automatically com-
pensates irregularities within the self-levelling range of ±4°. The levelling is
finished as soon as the laser lines stop flashing.
If automatic levelling is not possible, e.g. because the underside of the
measuring tool deviates by more than 4° from the horizontal plane or the
measuring tool is held freely in the hand, the laser lines will continuously
flash slowly and the measuring tool will work without automatic levelling.
The laser lines remain switched on, but the two crossed lines will no longer
necessarily be at a right angle to each other.
To work with automatic levelling again, position the measuring tool so that
the underside is aligned horizontally and wait for the self-levelling to be per-
formed. As soon as the measuring tool is within the self-levelling range of
±4° and is levelled in, the laser lines will light up continuously again.
In case of ground vibrations or position changes during operation, the meas-
uring tool is automatically levelled again. Upon re-levelling, check the posi-
tion of the horizontal or vertical laser line with regard to the reference points
to avoid errors by moving the measuring tool.
Working Advice
u
Only the centre of the laser line must be used for marking.
The width
of the laser line changes depending on the distance.
Working with the markings on the laser lines (see figures A–B)
Markings are displayed at equal intervals on the laser lines, which can be
used to assist with orientation. The intervals between the markings are equal
only when the measuring tool is aligned perpendicular to the wall. You can
check the 90° angle using the laser target plate
(9)
.
Place the measuring tool in the required position (with the tripod mount
(5)
facing down), switch it on and allow it to level in. Place the laser target
plate
(9)
with its back against the wall. Align the measuring tool so that the
vertical laser line runs through the upper and lower red marking on the laser
target plate.
The intervals between the markings are dependent on the distance of the
measuring tool to the wall. Check the 90° angle again if you change the dis-
tance.
Bosch Power Tools
1 609 92A 7SA | (09.09.2022)
