Bosch Professional GLL 2 Notice Originale page 15

A
d
– Turn the measuring tool 180° without adjusting the height. Aim it at wall A
such that the vertical laser line runs through the already marked point Ⅰ.
Allow the measuring tool to level in and mark the point where the laser
lines cross on wall A (point Ⅲ).
– The discrepancy d between the two marked points Ⅰ and Ⅲ on wall A re-
veals the actual height deviation of the measuring tool.
The maximum permitted deviation on the measuring distance of
2 × 5 m = 10 m is as follows:
10 m × ±0.5 mm/m = ±5 mm. The discrepancy d between points Ⅰ and Ⅲ
must therefore amount to no more than 5 mm.
Checking the Level Accuracy of the Horizontal Line
For this check, you will need a free area of 5 × 5 m.
– Mount the measuring tool in the middle between walls A and B on a tri-
pod, or place it on a firm, level surface. Select horizontal mode with auto-
matic levelling and allow the measuring tool to level in.
Bosch Power Tools
B
180°
1 609 92A 58R | (04.03.2020)
English | 15