Bosch GLL 30 G Original Instructions Manual page 13

Checking the Level Accuracy of the Horizontal Line
For this check, you will need a free area of 5 × 2.5 m.
– Mount the measuring tool in the middle between walls A and B on the holder or a tri-
pod, or place it on a firm, flat surface. Allow the measuring tool to level in.
A
– At a distance of 2.5 m from the measuring tool, mark the centre of the laser line on
both walls (point Ⅰ on wall A and point Ⅱ on wall B).
A
– Set up the measuring tool at a 5 m distance and rotated by 180° and allow it to level
in.
Bosch Power Tools
B
B
English | 13
1 609 92A 4F1 | (28.06.2018)