Icom IC-F43GT Service Manual page 16

5-2 SOFTWARE ADJUSTMENT (TRANSMITTING)
Select an operation using [↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard.
ADJUSTMENT
1 • Operating CH
PLL LOCK
VOLTAGE • Receiving
[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
REFERENCE 1 • Operating CH
• Connect the RF power meter or 50 Ω
FREQUENCY
dummy load to the antenna connector.
[REF]
• Transmitting
OUTPUT 1 • Operating CH
POWER • Transmitting
[Power (Hi)]
2 • Operating CH
[Power (L2)]
• Transmitting
[Power (L1)] 3 • Operating CH
• Transmitting
MODULATION 1 • Operating CH
• No audio applied to the [MIC] input.
BALANCE
[BAL] • Set an FM deviation meter as:
HPF
LPF
De-emphasis : OFF
Detector
• IF bandwidth
• Push [P0] while transmitting
FM 1 • Operating CH
DEVIATION • Set the FM deviation meter as:
HPF
[MOD N]
(Narrow) LPF
De-emphasis : OFF
Detector
• Connect the audio generator to the [MIC]
connector and set as
• Transmitting
[MOD Ratio] 2 • Operating CH
• Transmitting
(Wide)
3 • Operating CH
[MOD Ratio]
• Transmitting
(Middle)
• Operating CH
CTCSS/DTCS
DEVIATION • No audio applied to the [MIC] input.
• Transmitting
[CTCS/DTCS]
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.
5 - 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