Transmit Adjustment - Icom IC-F2000 Service Manual

5-3 TRANSMIT ADJUSTMENTS
1) Select an adjustment item using []/[] on the PC's keyboard.
2) Set or modify the adjustment value as specifi ed using []/[] on the PC's keyboard, and then push [ENTER].
TRANSCEIVER'S
ADJUSTMENT
TX OUTPUT 1 1) Connect an RF power meter to the antenna connector.
POWER 2) Select [Power Start], then push [ENTER] to enter the TX out-
(High power, 2 • Channel:
Band low) • Transmitting
(High power, 3 • Channel:
Band center) • Transmitting
(High power, 4 • Channel:
Band high) • Transmitting
5 • Select [Power Start], then push [ENTER] to quit the TX output
(L2 power, 4 • Channel:
Band low) • Transmitting
(L1 power, 5 • Channel:
Band low) • Transmitting
FM DEVIATION 1 • Set [MIC gain] to "2" in the Set mode.
-Narrow-
2 • Connect a modulation analyzer with an oscilloscope to the an-
(Band low)
• Connect an audio generator to the [MIC] jack through the JIG
3 • Select [MOD Start], then push [ENTER] to enter the TX output
4 • Channel:
• Transmitting
(Band center) 5 • Channel:
• Transmitting
(Band high) 6 • Channel:
• Transmitting
7 • Select [MOD Start], then push [ENTER] to quit the "FM DEVIA-
FM DEVIATION 1 • Channel:
-Wide-* • Transmitting
FM DEVIATION 2 • Channel:
-Middle-* • Transmitting
*: Except for [USA] versions.
CONDITION
put power adjustment mode.
1-6 1) Adjust the TX output power.
2) Select the item [Power Start], then
push [ENTER] to store the adjustment
1-7
value.
1-8
power adjustment mode.
1-9 • Adjust the TX output power.
1-10
tenna connector through an attenuator, and set it as:
HPF: OFF
LPF: 20 kHz
De-emphasis: OFF
Detector: (P–P)/2
cable, and set it as:
Frequency: 1 kHz
Waveform: Sine wave
Level: 150 mVrms
power adjustment mode.
1-11 1) Adjust the deviation.
2) Select [MOD Start], then push [EN-
TER] to store the adjustment value.
1-12
1-13
TION -Narrow-" adjustment mode.
1-14 • Connect a modulation analyzer to
the antenna connector through an
attenuator, and set it as "FM DEVIA-
1-14
TION."
• Connect an audio generator to the [MIC]
jack through the JIG cable, and set it as
"FM DEVIATION -Narrow-."
OPERATION
5-5
ADJUSTMENT
VALUE
ITEM
–
[Power Start]
[Power (FL)] 4.0 W
[Power (FC)]
[Power (FH)]
–
[Power Start]
2.0 W
[Power (L2)]
1.0 W
[Power (L1)]
[Mic Gain] 2
– –
–
[MOD Start]
±2.10 ±0.05
[MOD FL]
kHz
[MOD FC]
[MOD FH]
–
[MOD Start]
±4.10 ±0.05
[MOD W]
kHz
±3.30 ±0.05
kHz
[MOD M]