5 - 5
5-3 SOFTWARE ADJUSTMENT
Select an operation using [
↑
] / [
↓
] keys, then set specified value using [
←
] / [
→
] keys on the connected computer keyboard.
1
1
2
3
1
2
1
2
1
• Operating freq. : 500.000 MHz
• Output power : Low1
• Connect the RF power meter or 50
Ω
dummy load to the antenna connector.
• Transmitting
• Operating freq. : 450.000 MHz
• Output power : High
• Transmitting
• Output power : Low2
• Transmitting
• Output power : Low1
• Transmitting
• Operating freq. : 475.000 MHz
• Output power : Low1
• IF bandwidth
: Wide
• Connect an audio generator to the [MIC]
jack through the JIG cable and set as:
1.0 kHz/40 mVrms
• Set an FM deviation meter as:
HPF
: OFF
LPF
: 20 kHz
De-emphasis : OFF
Detector
: (P–P)/2
• Transmitting
• IF bandwidth
: Narrow
• Transmitting
• Operating freq. : 475.000 MHz
• Set to the DTCS set *channel, and push
[Connect] on the Adjustment software.
*Except bank 1
• Output power : Low1
• Transmitting
• IF bandwidth
: Narrow
• Transmitting
• Operating freq. : 500.000 MHz
• Output power : Low1
• IF bandwidth
: Wide
• CTCSS
: 67 Hz
• DTCS code
: 007
• Set the FM deviation meter as:
HPF
: OFF
LPF
: 20 kHz
De-emphasis : OFF
Detector
: (P–P)/2
• No audio applied to the [MIC] connector.
• Transmitting
REFERENCE
FREQUENCY
[TXF]
OUTPUT
POWER
[Power (Hi)]
[Power (L2)]
[Power (L1)]
FM
DEVIATION
[MOD W]
[MOD Ratio]
MODULATION
BALANCE
[BAL W]
[BAL Ratio]
CTCSS/DTCS
DEVIATION
[CTCSS/DTCS]
Rear
panel
Rear
panel
Rear
panel
Rear
panel
Rear
panel
Loosely couple a frequency
counter to the antenna connec-
tor.
Connect an RF power meter to
the antenna connector.
Connect an FM deviation meter
to the antenna connector
through the attenuator.
Connect an FM deviation meter
with an oscilloscope to the
antenna connector through an
attenuator.
Connect an FM deviation meter
to the antenna connector
through the attenuator.
500.0000 MHz
25.0 W
5.0 W
1.0 W
±4.1 kHz
±2.1 kHz
±0.7 kHz
ADJUSTMENT
ADJUSTMENT CONDITION
MEASUREMENT
VALUE
UNIT
LOCATION
Set to square wave
form
Содержание IC-400PRO
Страница 1: ...UHF TRANSCEIVER i400PRO SERVICE MANUAL...
Страница 27: ...SECTION 9 BOARD LAYOUTS 9 1 FRONT UNIT TOP VIEW 8V 1 to Microphone 7 2 8 J1 AFO MICE GND CLO PTT MIC CLI 9 1...
Страница 30: ...SP 14 8 1 1 7 14 8 7 16 9 1 8 12 24 1 13 9 4 BOTTOM VIEW MAIN UNIT...
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Страница 36: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14003HZ P2 C 2003 Icom Inc...