Receive Adjustments - Icom IC-2300H Service Manual Addendum

5-4 RECEIVE ADJUSTMENTS

1) Select an adjustment item using [BANK] or [V/MHz].
2) Set or modify the adjustment value as specifi ed using [DIAL], and then push [S.MW].
TRANSCEIVER'S
ADJUSTMENT
RX SENSITIVITY 1 NOTE: "RX SENSITIVITY" must be adjusted before "S-METER." And when "RX SENSITIVITY" is re-
-Band low-
• Receiving
-Band center- 2
-Band high- 3
SQUELCH 1 • Receiving
(Wide)
(Narrow) 2
S-METER 1 NOTE: "RX SENSITIVITY" must be adjusted before "S-METER." And when "RX SENSITIVITY" is re-
(S1 level setting)
• Receiving
(S2 level setting) 3
(S3 level setting) 4
(S3 level setting) 5
-Band low-
-Band center- 6
-Band high- 7
†
; The output level of the standard signal generator (SSG) is indicated as the SSG's open circuit.
CONDITION
adjusted, "S-METER" must be re-adjusted too.
1) C o n n e c t a n S S G t o t h e a n t e n n a
connector, and then set it to;
Frequency : 136.020 MHz
Level
Modulation : 1 kHz
Deviation
2) Push [S.MW].
1) Set the SSG to;
Frequency : 155.020 MHz
2) Push [S.MW].
1) Set the SSG to;
Frequency : 173.980 MHz
2) Push [S.MW].
1) C o n n e c t a n S S G t o t h e a n t e n n a
connector, and then set it to;
SSG output : OFF
2) Push [S.MW].
adjusted, "S-METER" must be re-adjusted too.
1) C o n n e c t a n S S G t o t h e a n t e n n a
connector and set it to;
Frequency : 145.020 MHz
Level
Deviation
2) Push [S.MW].
1) Set the SSG to;
Level
Deviation
2) Push [S.MW].
1) Set the SSG to;
Level
Deviation
2) Push [S.MW].
1) C o n n e c t a n S S G t o t h e a n t e n n a
connector and set it to;
Frequency : 136.020 MHz
Level
Deviation
2) Push [S.MW].
1) Set the SSG to;
Frequency : 145.020 MHz
2) Push [S.MW].
1) Set the SSG to;
Frequency : 173.980 MHz
2) Push [S.MW].
OPERATION
†
: 0 dBµ (–107 dBm)
: ±3.5 kHz
(146.020 MHz*)
†
: –7 dBµ (–114 dBm)
: None
†
: –2 dBµ (–109 dBm)
: None
†
: +12 dBµ (–95 dBm)
: None
†
: –2 dBµ (–109 dBm)
: None
5 - 4
ADJUSTMENT
VALUE
ITEM
Push [S.MW]
(Automatic
adjustment)
[ ]
[ ]
[ ]
Push [S.MW].
[ ]
(Automatic
adjustment)
[ ]
Push [S.MW].
(Automatic
adjustment)
[ ]
[ ]
[ ]