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Table
5-1.
Factory Selected
Component*.
Reference Designator
Range
of
Values
Description
A1C47
27
pF
to
750
pF
Value
selected
for
minimum
second harmonic
distortion
at
the
Oscillator
output
for
fundamental
frequencies
of
20
kHi end
ebove.
A3C132
4-7 pF
to
16
pF
Value
selected to Dtewent
amplifier
A3LJ101
from
oscillating.
Table
5-2.
Adjustable
Components.
UjiatiMn N«m»
Ret*
'an to
D#*ifln*iar
Ad|iii(mtnl
E»raffr»pli
DwcriptaM
10 KHt
ADJUST
A1C7
5
13
Ariius*
Oscillator
tiemueney
rr
lOfeH*
AMPJTUOE
ADJUST
At
ft
30
8-13
Adjust
Ihi
basic
outout
Iftrf'
0<
the
oicilkmoi
amplifier
PULL
SCALE ADJUST
A2ft1?
S-U
iSteptl
Ad|u*?
meter
amplif.-er
*c
t
lull
seals
roatei
tnoictuon
AUTO
SET-LEVEL
t'3
SCALE ADJUST
A2R22
6-12
(Step
v|i
Ad|uiis
I">b
pern
of
rhe
Auto
Set
Leva
Circuit
Ic*
1
*r
apoUac mnut
leva
1
ecuft*
to
l
'3 fuli-tCll?
AUTO
SET LEVEL
full-scale
adjust
A2R24
6-12
ISwp
t;
4d|u»tJ
the
pftin
ol
the
Auto
S*t »evel
enttut
for
in
apa'ieri
input
level
equal
to Iwlt-isaie
LOW
LIMIT
adjust
A2R35
E
1
13 rSt«£
j|
Adju&t
the
low
limn
reference
of
the
input
Level
•
fVJiC&lor
CrT-isuif
input
level*
balow
this
reference
will
cause
the
low
*nau!
level
mtliCllor
tc
lifi^t
reference adjust
A2R35
5-12
<5cep
hi
Adjusts
The
Acte
S-ei-
Level
lull
*ca»e
reference
voltece
1/3
SCALE
ADJUST
A2R37
5
1
2<Stepe)
Adjufiii
the
meter
amplifier
jam
lor
prop#'
rr>e:«r
inaieaiion
witn
ar.
applied
irvput
level
equal
to
1/3
of
full
.
e
cel
•
HIGH
FREQUENCY
ADJUST
A3C
-
a
5-18
Neuirainos
the
elfactb
of
cioicilna
loacing
at
the
Notch
Filter
NOTCH
FILTER
NULL ADJUST
A4-P16
S
17
Adjultfc
tn»
null
Oepirt
el
me
Notch
Filter
NOTCH
FILTER
FREQUENCY ADJ
MR43
5-17
Ad| inti
rha
Notch
Filial
frequency
to
ofritar
naiurt'ur
1
null
depth
INPUT BAlJVNCE
ADJUST
A4Htb
5
17
1
AdjueU
the
input
balance
to
ti>*
ampiiTun*
feedback
Q«modLil|iior
10
reduce
distortion
at
low
IratqueftCiet
f
.•
i
L
L
£-
f
•
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