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Mo
d
e
l
435Β
Ad
j
u
st
m
e
n
ts
AD JU STMEN TS
5-8 .
POWER MET ER AD JU ST MENTS W ITH 50 Ω
P
O WER
S
EN SO R (Cont'd)
5.
Set t
h
e
LINE
sw
i
tc
h
to (ON).
B efo r e proceeding w ith
t
he ad
j
ust m ent, co nnect the inp ut of α
f
r equen cy counter (s uch as the ΗΡ 5314Α) to ΤΡ7 οr ΤΡ8 and verify
t
h at th e multivi brator
f
re quenc y is 220 ±12 Hz .
I
f t he fre que ncy
i
s
incorrect, pe rfo rm
t
he Multivi b rato r
A
d
j
ust men t (5-7).
6.
Ce
n
te
r
t
h
e
P
o
w
e
r M
ete
r B
a
l
a
n
ce Co
n
t
r
o
l A
4
R
46 .
7.
Set t
h
e
P
o
w
e
r M
ete
r RAN
G
E
s
wi
tc
h fully cw
a
nd
a
d
j
u
st
A
4
R
32,
D
C O
ff
set co
n
t
r
o
l
,
f
o
r
α
DVM r
ea
din
g o
f
0 ±0 .2
mVd
c.
8.
Set t
h
e
RAN
G
E
s
wi
tc
h
to t
h
e
p
os
i
t
i
o
n indi
cate
d in
t
h
e ta
bl
e
b
e
l
o
w
; set t
h
e
r
ea
r
p
a
n
e
l P
OW
ER REF
sw
i
tc
h
to (ON) .
Power Senso r
8481Β
and
8482Β (
r
e
m
o
v
e atte
nu
ato
r
)
8481Α, 8482Α, 8481Η, 8482Η
1 mw
8485Α (HP 1250-1250
Ad
a
p
te
r r
e
quir
ed)
1 mw
8484Α (HP 11708Α Re
f
e
r
e
n
ce Atte
nu
ato
r r
e
quir
e
d)
1 μW
9 .
Ad
j
u
st t
h
e fro
n
t
p
a
n
e
l
C
AL ADJ
co
n
t
r
o
l
to
r
ea
d
1 .000 ±0.001
Vd
c on t
h
e
DVM.
10.
Ad
j
u
st
A
4
R
35, M ete
r
co
n
t
r
o
l
, to g
iv
e α
full
-sca
l
e
m
ete
r r
ea
din
g.
11. Set t
h
e
r
ea
r p
a
n
e
l P
O
WER REF
s
wi
tc
h
to O
FF;
set t
h
e
RAN
G
E
s
wi
tc
h
to t
h
e
p
os
i
t
i
o
n indi
cate
d in
t
h
e ta
bl
e
b
e
l
o
w
.
8481Α, 8482 Α, 8481Η, 8482Η
8485 Α (HP 1250-1250
Ad
a
p
te
r r
e
quir
e
d)
8484 Α (HP 11708Α Re
f
e
r
e
n
ce Atte
nu
ato
r r
e
quir
e
d)
R
AN G E Switc h Positon
3W
3
m
W
3
m
W
3 μ W
P
owe r Senso r
8481Β
a
nd
8482 Β (
r
e
m
o
v
e atte
nu
ato
r
)
ΝΟΤΕ
R
A NG E Switch Posit
i
on
1ω
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