Leica Geosystems Jogger20 Automatic Level 762263 Manuel D’Utilisation
Codes de produits
762263
4
Checking and adjusting of the
line-of-sight
line-of-sight
Jogger 20/24/28/32-1.1.0en
EN
DE
FR
ES
PT
IT
NO
DE
FR
ES
PT
IT
NO
4. Checking and adjusting of the line-of-sight
With the circular bubble centred
and adjusted, the line of sight
should be horizontal.
Checking (see example):
1. Choose a distance of appr. 30 m
and adjusted, the line of sight
should be horizontal.
Checking (see example):
1. Choose a distance of appr. 30 m
within a gentle terrain.
2. Set up a staff at both final points
(A, B).
3. Set up the instrument at point I
1
(halfway between A and B, just
pass it down) and centre the
bubble.
pass it down) and centre the
bubble.
4. Read both staffs.
reading on A = 1.832 m
reading on B = 1.616 m
reading on B = 1.616 m
Δ
H = A - B = 0.216 m
5. Set up the level about 1 m from
staff A
6. Read staff A (eg.: 1.604 m)
7. Find nominal reading B; eg.:
7. Find nominal reading B; eg.:
Reading A -
Δ
H = 1.604 m -
0.216 m = 1.388 m
8. Read staff B, compare nominal-
/actual- reading.
)
When the difference
nominal-/actual- reading is more
than 3 mm the line of sight must be
adjusted.
1. Turn the adjusting srew until the
than 3 mm the line of sight must be
adjusted.
1. Turn the adjusting srew until the
middle hair gives the required
reading (eg. 1.388 m).
reading (eg. 1.388 m).
2. Check line of sight again.
)
Before starting field work
or after long periods of storage/
transport of your equipment check
the field adjustment parameters
specified in this User Manual.
transport of your equipment check
the field adjustment parameters
specified in this User Manual.
d
d
A
B
Δ
H
H=1.832
H=1.616
δ
δ
I
1
A
B
Δ
H
δ
I
2
actual = 1.604
nominal
= 1.388