![David White AL8-22 Instruction Manual Download Page 4](http://html1.mh-extra.com/html/david-white/al8-22/al8-22_instruction-manual_514548004.webp)
AL8 AutoLevel • 7
MAINTENANCE
Care must be taken to maintain the accuracy of the instrument.
•
After each use, the instrument should be wiped clean and kept in its carrying case.
•
Remove dust from the lenses with a soft brush or a nonabrasive wipe. Never touch the
lenses with your fingers.
•
Store the instrument in a dust-free area with low humidity.
•
A bag of silica gel dryer is included with each instrument; if it has stopped working
effectively, bake it to remove moisture or replace with a new bag.
•
Any damage to the instrument must be repaired by a
David White Authorized Service Center.
TECHNICAL DATA
M
Mo
od
de
ell
A
ALL88--2222
A
ALL88--2266
A
ALL88--2288
A
ALL88--3322
M
Ma
ag
gn
niiffiic
c..::
22 x
26 x
28 x
32 x
LLe
evve
elliin
ng
g::
1/16”@100’ 1/16”@150’ 1/16”@200’ 1/16”@250’
a
ac
cc
cu
urra
ac
cyy
(1,6mm/30m) (1,6mm/45m) (1,6mm/60m)(1,6mm/75m)
W
Wo
orrkkiin
ng
g::
200’
300’
300’
350’
rra
an
ng
ge
e
(61 m)
(91 m)
(91m)
(107 m)
C
Clle
ea
arr o
ob
bjj.. a
ap
pe
errttu
urre
e::
36mm
36mm
40mm
40mm
S
Se
ettttiin
ng
g a
ac
cc
cu
urra
ac
cyy::
+/- 0.8”
+/- 0.8”
+/- 0.5”
+/- 0.3”
S
Stta
an
nd
da
arrd
d::
2.5mm
2.0mm
1.5mm
1.0mm
d
de
evviia
attiio
on
n
for 1 km double-run leveling
T
Te
elle
essc
co
op
pe
e::
Image: erect
Length: 8.3”(210mm)
Shortest focusing distance: 1’ (0.3m)
Field of view : 1.5°’
Stadia ratio: 100
Stadia addition: 0
C
Co
om
mp
pe
en
nssa
atto
orr::
Leveling range: +/- 15’
Magnet dampening: Yes
S
Se
en
nssiittiivviittyy o
off b
bu
ub
bb
blle
e::
8’/2mm
C
Ciirrc
clle
e g
grra
ad
du
ua
attiio
on
n::
1° or 1 gon
W
Wa
atte
err rre
essiisstta
an
ntt::
Yes
IIn
nssttrru
um
me
en
ntt n
ne
ett w
we
eiig
gh
htt::
1.7kg (3.7lbs)
M
Mo
ou
un
nttiin
ng
g tth
hrre
ea
ad
d::
5/8“ x 11
6 • AL8 AutoLevel
WARRANTY
Five Year Warranty. David White, warrants this instrument against defects in material and
workmanship for a period of five years from the date of purchase. Deficient products will be
repaired or replaced at David White's discretion. For warranty and repair information, contact you
local distributor.
For U.S., before returning the instrument to David White, please call
(815) 432-9200 for a Return Authorization Number from our Customer
Service Department.
David White's liability under this warranty is limited to repair or replacement of the unit. Any
attempt to repair the product by other thanfactory authorized personnel will void this warranty.
Calibration and maintenance are the responsibility of the user. Where permitted by law, David
White is not responsible for incidental or consequential damages.
Agents of David White cannot change this warranty. David White is not responsible for damage
resulting from wear, abuse, or alteration of this product. The user is expected to follow ALL
operating instructions.
This warranty may provide you with additional rights that vary by state, province or nation.
IMPORTANT NOTE:
The customer is responsible for the correct use and care of the instrument.
Moreover he is completely responsible for checking the job along its prosecution, and therefore for
the calibration of the instrument. Calibration and care are not covered by warranty.
Subject to change without notice