Bosch GLL 2 Professional Notice Originale page 15

OBJ_BUCH-2413-002.book Page 15 Tuesday, August 30, 2016 12:40 PM
Checking the Levelling Accuracy of the Horizontal Line
For the check, a free surface of approx. 5 x 5 metres is required.
– Set up the measuring tool on a firm, level surface between both walls A
and B. Allow the measuring tool to level in while in horizontal operation
with automatic levelling.
A
– At a distance of 2.5 metres from the measuring tool, mark the centre of
the laser line (point I on wall A and point II on wall B) on both walls.
A
Bosch Power Tools
B
B
1 609 92A 21X | (30.8.16)
English | 15