Operating instructions
Table 5-3. Crystal-Oscill
ator
Adjustment
(Continu
ed)
STEP
FUNCTI
ON
T EST P OINT OR
ApJUSTMENT
,
PERFO
Ri\IAI'\CE
..STAI'\DAHD
2N
Reduce
the
outp ut lev el of
the
s
igna
l
generat
or
until
the
SIGNAL LEVE L
lam
p
goes
o
ut.
2P
Slowly i
ncrease
the s i
gna
l ge
nerato
r
o
ut
put level un
til
the SIGNAL LEV
EL
lamp
light
s.
--
S
ens
it
iv
ity
les s
tha n 5 mill ivol ts
if
ope
ra
ting b
elo
w
500 MHz,
les s
than 10
mill
iv
olt
s
if
ope
ra
lin
g
abo
ve
500 MHz (u
sin
g a
B
roa
cl
band Mixer ).
N
OTE
Whe n u
sin
g one
of the
RF
Pre
-
s elector s the
se
ns itivi ty
shou
ld
be
le
ss
than
20
m ic
rovolts
.
2Q Rec
or
d the
num
b
er
indi
ca
ted on the
HARM .
AMP
.
TUN
ING
control
on
the Cha
nne
l Fr
equ
en
cy Cha
rt.
NOT E
Th
e f
oll
o
win
g
steps
a
re
to be
per f
or
m ed f
or
the l O-MHz
ad
ju
stment.
3A
Dis
c
onn
e
ct
coax
ia
l connecto r ato p
Sign
al
Gene
ra
tor
Mix
er,
whi ch is
ab
ove
the C
ry
s
ta
l Oven A
ss
embl
y.
(S
ee
Fi
gur
e 5- 2. )
.
CH-A
3-J
2
3B
Co
nnect
the
coax
ia l conn
ecto
r
(A
3-
J 2) to the input of t
he
co
unte
r
wit h a
su
itab
le
ad
apte
r .
3C
Set
the
f
unctio
n
sw
itc
h to CA
L.jCW
.
3D
Set
the
SIGN
AL
GENE
Ri\
TO
R
at
-
te
nuato
r
mult
ip
lier
to
Xl
OO and
ve r
nier
co
ntro
l for
ma
xim
um
output.
3E
Adjust
10
-MH
z
tr
im
me
r
wit
h
tun
ing
tool.
T r i
mme
r
Cap
ac
ito
r .
10
.0
MHz ±10 . 0 Hz
a s i
ndicat
ed on
cou
n
te
r .
3F
R
ec
onn
ect
coax
ia l co
nnec
to r to
Signal Gene
rato
r Mix er .
5- 7
5
60
1"
0 0 1 5 " 1