Icom IC-F2000 Service Manual page 19

4-3 TRANSMIT ADJUSTMENTS (CONTINUED)
1) Select an adjustment item using [↑]/[↓]/[←]/[→] on the PC's keyboard.
2) Set or modify the adjustment value as specified using [Space]/[Back Space] on the PC's keyboard.
TRANSCEIVER'S
ADJUSTMENT
1 • Set [Mic Gain] to "2" in the Set mode.
FM DEVIATION
- Preparation -
2
- Adjustment - 3
Narrow
(Band low)
4 • Transmitting
5
(Band center) 6 • Transmitting
7
(Band high) 8 • Transmitting
9
Wide* 3 10 • CH No.: 10
(Band low) • Transmitting
Middle* 4 11 • CH No.: 13
(Band low) • Transmitting
MODULATION 1
BALANCE
- Preparation -
- Adjustment - 2
Narrow
(Band low)
3 • Transmitting
4
(Band center) 5 • Transmitting
6
(Band high) 7 • Transmitting
8
No adjustment or verification is necessary for [USA].
* 3
No adjustment or verification is necessary for [USA] and [AUS].
4
*
CONDITION
– • Set the preset memory channel
numbers on the adjust utility
window.
– • Connect the modulation analyzer
to the antenna connector through
the attenuator, and set it to:
HPF:
LPF:
De-emphasis:
–
Detector:
• Connect the audio generator and
AC millivoltmeter to [MIC] through
the JIG cable 1, and set it to:
–
Frequency: 1 kHz
Waveform: Sine wave
Level:
–
– • Set the preset values and memory
channel numbers on the adjust
utility window.
– • Connect the modulation analyzer
to the antenna connector through
the attenuator, and set it to:
HPF:
LPF:
De-emphasis:
–
Detector:
• No audio signal is applied to [MIC].
–
–
OPERATION
OFF
20 kHz
OFF
(P−P)/2
150 mV rms
[TONE (Narrow)]
OFF
20 kHz
OFF
(P−P)/2
4-9
ADJUSTMENT
VALUE
ITEM
[Mic Gain]
[CH No. FL]
[CH No. FC]
[CH No. FH]
Push [ENTER]
[MOD Start]
(Enters the
Adjustment mode)
[MOD FL] ±2.10 kHz
(±0.05 kHz)
Push [ENTER]
[MOD Start]
(Saves the value)
[MOD FC] ±2.10 kHz
(±0.05 kHz)
Push [ENTER]
[MOD Start]
(Saves the value)
[MOD FH] ±2.05 kHz
(±0.05 kHz)
Push [ENTER]
[MOD Start]
(Saves the value)
[MOD (Wide)] ±4.10 kHz
(±0.05 kHz)
[MOD (Mid)] ±3.30 kHz
(±0.05 kHz)
[TONE FL]
[TONE FC]
[TONE FH]
[CH No. FL]
[CH No. FC]
[CH No. FH]
Push [ENTER]
[BAL Start]
(Enters the
Adjustment mode)
[BAL FL] ±1.00 kHz
(±0.05 kHz)
Push [ENTER]
[BAL Start]
(Saves the value)
[BAL FC] ±1.00 kHz
(±0.05 kHz)
Push [ENTER]
[BAL Start]
(Saves the value)
[BAL FH] ±1.00 kHz
(±0.05 kHz)
Push [ENTER]
[BAL Start]
(Saves the value)
Continued on the next page...
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