Icom IC-F43GT Service Manual page 40

6-2 SOFTWARE ADJUSTMENT (TRANSMITTING)
Select an operation using [↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard.
ADJUSTMENT
PLL LOCK 1 • Operating CH
• Receiving
VOLTAGE
[LV(RX LVA)]
2 • Operating CH
[LV(TX LVA)]
• Transmitting
CONVENIENT:
The PLL lock voltage can be adjusted automatically.
Set the cursor to "RX LVA"/"TX LVA" and then push [ENTER] key.
3 • Operating CH
• Receiving
4 • Operating CH
• Transmitting
1 • Operating CH
REFERENCE
• Connect the RF power meter or 50 Ω
FREQUENCY
[REF] dummy load to the antenna connector.
• Transmitting
1 • Operating CH
OUTPUT
POWER • Transmitting
[Power (Hi)]
[Power (L2)] 2 • Operating CH
• Transmitting
3 • Operating CH
[Power (L1)]
• Transmitting
MODULATION 1 • Operating CH
BALANCE • No audio applied to the [MIC] input.
• Set an FM deviation meter as:
[BAL]
HPF
LPF
De-emphasis : OFF
Detector
• IF bandwidth
• Push [P0] while transmitting
1 • Operating CH
FM
DEVIATION • Set the FM deviation meter as:
[MOD N] HPF
LPF
(Narrow)
De-emphasis : OFF
Detector
• Connect the audio generator to the [MIC]
connector and set as
• Transmitting
2 • Operating CH
[MOD Ratio]
(Wide) • Transmitting
[MOD Ratio] 3 • Operating CH
(Middle) • Transmitting
CTCSS/DTCS • Operating CH
• No audio applied to the [MIC] input.
DEVIATION
[CTCS/DTCS] • Transmitting
ADJUSTMENT CONDITION
: CH1
: CH1
: CH7
: CH7
: CH7
: CH1
: CH2
: CH3
: CH4
: OFF
: 20 kHz
: (P–P)/2
: Narrow
: CH4
: OFF
: 20 kHz
: (P–P)/2
: 1.0 kHz/150 mVrms
: CH5
: CH8
: CH6
MEASUREMENT
UNIT LOCATION
PC Check the "LVIN" item on the
screen CS-F33G ADJ's screen.
PC Check the "LVIN" item on the
screen CS-F33G ADJ's screen.
Top Loosely couple the frequency
panel counter to the antenna con-
nector.
Top Connect the RF power meter
panel to the antenna connector.
Top Connect the FM deviation
panel meter with the oscilloscope
to the antenna connector
through the attenuator.
Top Connect the FM deviation
panel meter to the antenna connec-
tor through the attenuator.
Top Connect the FM deviation
panel meter to the antenna connec-
tor through the attenuator.
6 - 4
VALUE
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
2.0 W
1.0 W
Set to square wave
form
±2.10 kHz
±4.10 kHz
±3.20 kHz
(F44G only)
±0.70 kHz