Receiver Adjustment - Icom ID-1 Service Manual

5-4 RECEIVER ADJUSTMENT

ADJUSTMENT ITEM
SQUELCH 1 • Operating freq. : 1270.00 MHz
LEVEL • Mode
[ SQL adjustment • Connect an SSG to the antenna connector and
/FM thresh] set as:
• Receiving
[ SQL adjustment 2 • Set an SSG as:
/FM tight]
• Receiving
1
AFC CENTER • Operating freq. : 1270.00 MHz
[ AFC center • Mode
voltage adjust- • Connect an SSG to the antenna connector and
ment/FM] set as:
• Receiving
2
[ AFC center • Mode
voltage adjust- • Receiving
ment /DV]
S-METER (FM) 1 • Operating freq. : 1270.00 MHz
[ S-meter • Mode
adjustment • Connect an SSG to the antenna connector and
/FM min] set as:
• Receiving
[ S-meter 2 • Set an SSG as:
adjustment
/FM full] • Receiving
S-METER (DV) 1 • Operating freq. : 1270.00 MHz
[ S-meter • Mode
adjustment • Set an SSG as:
/DV min]
• Receiving
2
[ S-meter • Set an SSG as:
adjustment
/DV full] • Receiving
S-METER (DD) 1 • Operating freq. : 1270.00 MHz
[ S-meter • Mode
adjustment • Set an SSG as:
/DD min]
• Receiving
[ S-meter 2 • Set an SSG as:
adjustment
/DD full] • Receiving
*The output level of the standard signal generator (SSG) is indicated as the SSG's open circuit.
ADJUSTMENT CONDITION
: FM mode
Level : 0.11 µV* (–126 dBm)
Modulation : 1 kHz
Deviation : 3.5 kHz
Level : 0.18 µV* (–122 dBm)
: FM mode
Level : 1 mV* (–47 dBm)
Modulation : OFF
: DV mode
: FM mode
Level : 0.18 µV* (–122 dBm)
Modulation : OFF
Level : 5.6 µV* (–92 dBm)
: DV mode
Level : 0.18 µV* (–122 dBm)
Modulation : OFF
Level : 5.6 µV* (–92 dBm)
: DD mode
Level : 1.6 µV* (–103 dBm)
Modulation : OFF
Level : 5.6 µV* (–92 dBm)
• Push [ENTER] on the connected computer key-
board to set to "SQL adjustment/FM thresh" level.
• Push [ENTER] on the connected computer key-
board to set to "SQL adjustment/FM tight" level.
• Push [ENTER] on the connected computer's key-
board to set to "AFC center voltage adjustment/
FM" level.
• Push [ENTER] on the connected computer key-
board to set to "AFC center voltage/DV" level.
• Push [ENTER] on the connected computer key-
board to set to "S-meter adjustment/FM min" level.
• Push [ENTER] on the connected computer key-
board to set to "S-meter adjustment/FM full" level.
• Push [ENTER] on the connected computer key-
board to set to "S-meter adjustment/DV min" level.
• Push [ENTER] on the connected computer key-
board to set to "S-meter adjustment/DV full" level.
• Push [ENTER] on the connected computer key-
board to set to "S-meter adjustment/DD min" level.
• Push [ENTER] on the connected computer key-
board to set to "S-meter adjustment/DD full" level.
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OPERATION