Icom IC-F43TR, Руководство по обслуживанию

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5 - 4
5-2 SOFTWARE ADJUSTMENT (TRANSMITTING)
Select an operation using [
↑
] / [
↓
] keys, then set specified value using [
←
] / [
→
] keys on the connected computer keyboard.
1
2
3
4
1
1
2
1
1
2
• Operating CH. : CH2
• Receiving
• Operating CH. : CH2
• Transmitting
• Operating CH. : CH6
• Receiving
• Operating CH. : CH6
• Transmitting
• Operating CH. : CH6
• Connect an RF power meter or 50
Ω
dummy load to the antenna connector.
• Transmitting
• Operating CH. : CH1
• Transmitting
• Operating CH. : CH1
• Transmitting
• Operating freq. : CH3
• No audio applied to the [MIC] input.
• Set an FM deviation meter as:
HPF : OFF
LPF : 20 kHz
De-emphasis : OFF
Detector
: (P–P)/2
• IF bandwidth : Narrow
• Push the [P0] while transmitting
• Operating freq. : CH3
• Set the FM deviation meter as:
HPF : OFF
LPF : 20 kHz
De-emphasis : OFF
Detector
: (P–P)/2
• Connect the audio generator to the
[MIC] connector and set as
: 1.0 kHz/150 mVrms
• Transmitting
• Operating freq. : CH4
• Transmitting
• Operating freq. : CH5
• No audio applied to the [MIC] input.
• Transmitting
PLL LOCK
VOLTAGE
[LV (RX LVA)]
[LV (TX LVA)]
REFERENCE
FREQUENCY
[REF]
OUTPUT
POWER
[Power (Hi)]
[Power (Low)]
MODULATION
BALANCE
[BAL N]
FM
DEVIATION
[MOD N]
(Narrow)
[MOD Ratio]
(Middle)
CTCSS/DTCS
DEVIATION
[CTCS/DTCS]
MAIN
MAIN
Top
panel
Top
panel
Top
panel
Top
panel
Check the “LV” item on the CS-
F43TR ADJ’s display.
Check the “LV” item on the CS-
F43TR ADJ’s display.
Loosely couple a frequency
counter to the antenna connec-
tor.
Connect an RF power meter to
the antenna connector.
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.
Connect an FM deviation meter
to the antenna connector
through the attenuator.
1.0 V
1.0 V
3.3–4.5 V
(Verify)
3.3–4.5 V
(Verify)
470.0000 MHz [L]
520.0000 MHz [H]
4.0 W
1.0 W
±2.10 kHz
±4.10 kHz
±0.70 kHz
ADJUSTMENT ADJUSTMENT CONDITION
MEASUREMENT
VALUE
UNIT LOCATION
Set to square wave
form