Leica Geosystems SNLL121 - Manual (Page 12)

12 SNLL121-2.1.0en © Leica Geosystems
Depending on brightness and surface the size of the laser spot can
vary. At a distance of 1.5 m its average diameter is 2.5 mm.
The maximum diameter of the circular movement described by the
centre of the laser spot should not exceed 1 mm at a distance of
1.5 m.
1. 2.
3.
Adjusting the spirit level
Δ
Δ/2
Correct half of deviation (
Δ/2) using an Allen key and repeat steps
1 to 3 of this procedure until bubble is centered.
180°
Lalot12a Lalot12b
Lalot12c
If
Δ > 1 interval the spirit level
must be adjusted