HP 8110A Service Manual page 250

150 mhz pulse generator
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M
ODEL 8110 Α
ERRATA (cont)
On Page 2-9, Specifications, Width spec change to read:
Duty cycle :
0 .1 ο /ο tο 94ο /ο
2) Values from 0 . 1% to 94ο/ο can be entered directly For values >94 ο/ ο
p
ress Shift and use
M
odify k nob . The reason for this i s that accuracy deteriorates above 90ο/ ο . H ence,
f
or large
values, it's better to select complement and enter 100 minus the required duty cucle
v
alue .
On
p
age 1-13 and 2-1
add errata:
Altitude up to 2000m
Installation Category II
Pollution Degree 2
W
arning : To
p
revent electrical
s
hock, disconnect the HP
m
odel 811 OA from mains before cleaning.
U se α dry cloth or
o
ne slightly dampened with water to clean the external case
p
arts.
D
o not
attempt to clean internally .
! CHANGE TO NEW S ERIAL NUMBER FORMAT !
M
odel 81103Α
last serial number
o
ld
f
ormat:
3420GO4360
first serial number new
f
ormat:
DE34504361
M
odel 81106Α
last serial number
o
ld
f
ormat:
3233GO1475
first serial number new
f
ormat:
DE32801476
M
odel 81107Α
last serial number
o
ld
f
ormat :
3233GO0465
first serial number new
f
ormat:
DE32800466
M
odel 811 OA
last serial number old
f
ormat :
3501GO2630
first serial number new
f
ormat :
DE35102631
12 .
M
ay 1997
Page 3 of6

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