Icom IC-R8500 Service Manual page 26

5-5
NOISE SQUELCH. S-METER
AND
CENTER
INDICATOR
ADJUSTMENT
ADJUSTMENT
ADJUSTMENT ADJUSTMENT
CONDITIONS
DOT
MATRIX DISPLAY OPERATION
ENTERING
ADJUSTMENT
SET
MODE
• Connect
a terminator
to the
(REMOTE)
connector on
the rear panel.
• While pushing the
^-CH]
and
[ENT]
switches, turn
power ON.
Push
0123
Push
(2]
to
enter
RF-B
BPF
tuned volteage
set
mode; use
(M-CHIMENTI
switches
to
select Item.
NOISE
SQUELCH
27
• Connect an
SSG
to
the antenna con-
nector
for
30-2000 MHz
and
set as:
Frequency
;
173.02000
MHz
Level
:
0.13
pV'(-
125
dBm)
Modulation
:
1
kHz
Deviation
:
±
3.5
kHz
«
Receiving
NOISE
7L--'LiL'a
•
Push and
hold the [M-CH).
28
•
Set
an
SSG
level as;
0.4uV*(-115dBm)
NOISE
-P-fh
•
Push and
hold the
[M-CH].
S-METER
29
•
Set
an
SSG
level as:
0.4
pV(-
115 dBm)
SIG
S0
•
Push and
hold the [M-CHJ.
30
•
Set
an
SSG
level as;
1.3uV*(-105 dBm)
SIG
S0
•
Push and
hold the [M-CHj.
31
« Set
an
SSG
level as:
0.79
pV*(-
109
dBm)
• Push and
hold the [M-CHj.
32
•
Set an
SSG
level as;
2.0uV(-101 dBm)
•
Push and
hold the (M-CH).
33 • Set an
SSG
level as:
3.2uV*(-97 dBm)
SIG
b5
• Push and
hold the (M-CHj.
34
• Set
an
SSG
level as:
3.2uV*(-97dBm)
SIG
S5
•
Push and
hold the [M-CHJ.
35
• Set
an
SSG
level as:
13p.V*(-85
dBm)
SIG
S7
«
Push and
hold the (M-CHj.
36
*
Set an
SSG
level as:
13 pV*
(-85 dBm)
SIG
S7
•
Push and
hold the (M-CH).
37
•
Set an
SSG
level as:
50pV*(-73 dBm)
b
I
U
b9
• Push and
hold the [M-CHj.
38
•
Set an
SSG
level as:
50
mV*
(-73 dBm)
Push and
hold the
[M-CHJ.
39
•
Set an
SSG
level
as:
500
mV*
(-53 dBm)
SIG S9+20
•
Push and
hold the (M-CHJ.
40
•
Set an
SSG
level as:
500iiV*(-53 dBm)
SIG S9+20
•
Push and hoW
the (M-CH).
41 • Set an
SSG
level as:
5
mV
(-33 dBm)
SIG S9+40
• Push and
hoW
the (M-CH).
42
• Set an
SSG
level as:
5
mV
(-33 dBm)
SIG
S9+40
•
Push and
hold the (M-CH).
43
• Set an
SSG
level
as:
50
mV* (-13 dBm)
SIG
S9+60
• Push and
hold the [M-CH).
44
*
Set an
SSG
level as:
50
mV* (-13 dBm)
SIG
S9+60
•
Push and
hold the [M-CHj.
CENTER
INDICATOR
45
•
Set an
SSG
level as;
32
mV*
(-77 dBm)
WFM
•
Push and
hold the
[M-CHJ.
46 Set an
SSG
level as;
32
mV*
(-77 dBm)
FN
• Adjust
R60 (MAIN
unit)
to
the
S-meter
indicates maxi-
mum
level (around S9).
•
Push
the (M-CH).
*This
output
level of
a
standard signal generator (SSG)
is
indicated
$SQ's open
circuit.
5-9