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5-4 RECEIVER ADJUSTMENT
ADJUSTMENT ITEM
ADJUSTMENT CONDITION
OPERATION
SQUELCH
LEVEL
[ SQL adjustment
/FM thresh]
1
• Operating freq. : 1270.00 MHz
• Mode
: FM mode
• Connect an SSG to the antenna connector and
set as:
Level
: 0.11 µV* (–126 dBm)
Modulation
: 1 kHz
Deviation
: 3.5 kHz
• Receiving
• Push [ENTER] on the connected computer key-
board to set to "SQL adjustment/FM thresh" level.
[ SQL adjustment
/FM tight]
2
• Set an SSG as:
Level
: 0.18 µV* (–122 dBm)
• Receiving
• Push [ENTER] on the connected computer key-
board to set to "SQL adjustment/FM tight" level.
AFC CENTER
[ AFC center
voltage adjust-
ment/FM]
1
• Operating freq. : 1270.00 MHz
• Mode
: FM mode
• Connect an SSG to the antenna connector and
set as:
Level
: 1 mV* (–47 dBm)
Modulation :
OFF
• Receiving
• Push [ENTER] on the connected computer's key-
board to set to "AFC center voltage adjustment/
FM" level.
[ AFC center
voltage adjust-
ment /DV]
2
• Mode
: DV mode
• Receiving
• Push [ENTER] on the connected computer key-
board to set to "AFC center voltage/DV" level.
S-METER (FM)
[ S-meter
adjustment
/FM min]
1
• Operating freq. : 1270.00 MHz
• Mode
: FM mode
• Connect an SSG to the antenna connector and
set as:
Level
: 0.18 µV* (–122 dBm)
Modulation :
OFF
• Receiving
• Push [ENTER] on the connected computer key-
board to set to "S-meter adjustment/FM min" level.
[ S-meter
adjustment
/FM full]
2
• Set an SSG as:
Level
: 5.6 µV* (–92 dBm)
• Receiving
• Push [ENTER] on the connected computer key-
board to set to "S-meter adjustment/FM full" level.
S-METER (DV)
[ S-meter
adjustment
/DV min]
1
• Operating freq. : 1270.00 MHz
• Mode
: DV mode
• Set an SSG as:
Level
: 0.18 µV* (–122 dBm)
Modulation :
OFF
• Receiving
• Push [ENTER] on the connected computer key-
board to set to "S-meter adjustment/DV min" level.
[ S-meter
adjustment
/DV full]
2
• Set an SSG as:
Level
: 5.6 µV* (–92 dBm)
• Receiving
• Push [ENTER] on the connected computer key-
board to set to "S-meter adjustment/DV full" level.
S-METER (DD)
[ S-meter
adjustment
/DD min]
1
• Operating freq. : 1270.00 MHz
• Mode
: DD mode
• Set an SSG as:
Level
: 1.6 µV* (–103 dBm)
Modulation :
OFF
• Receiving
• Push [ENTER] on the connected computer key-
board to set to "S-meter adjustment/DD min" level.
[ S-meter
adjustment
/DD full]
2
• Set an SSG as:
Level
: 5.6 µV* (–92 dBm)
• Receiving
• Push [ENTER] on the connected computer key-
board to set to "S-meter adjustment/DD full" level.
*The output level of the standard signal generator (SSG) is indicated as the SSG's open circuit.
Summary of Contents for ID-1
Page 1: ...SERVICE MANUAL DIGITAL TRANSCEIVER S 14120IZ C1 May 2005...
Page 45: ...SECTION 10 BLOCK DIAGRAM 10 1 10 1 MAIN UNIT 4...
Page 46: ...10 2 LOGIC 1 UNIT 10 3 RC 24 10 2...
Page 47: ...SECTION 11 VOLTAGE DIAGRAM 11 1 MAIN UNIT 11 1...
Page 48: ...11 2...
Page 49: ...11 3...
Page 50: ...11 4 11 2 LOGIC 1 UNIT...
Page 51: ...11 5...
Page 52: ...11 6 11 3 RC 24...
Page 54: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14120IZ C1 2005 Icom Inc...