Icom IC-F2000 Service Manual page 23

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
TX SIGNAL-TO- 1 • CH No.: 1
NOISE RATIO • Transmitting
-Verification-
Narrow
(Band low)
(Band center) 2 • CH No.: 2
• Transmitting
(Band high) 3 • CH No.: 3
• Transmitting
3
Wide* 4 • CH No.: 10
(Band low) • Transmitting
(Band center) 5 • CH No.: 11
• Transmitting
(Band high) 6 • CH No.: 12
• Transmitting
4
Middle* 7 • CH No.: 13
(Band low) • Transmitting
(Band center) 8 • CH No.: 14
• Transmitting
(Band high) 9 • CH No.: 15
• Transmitting
No verification is necessary for [USA].
3
*
No verification is necessary for [USA] and [AUS].
* 4
CONDITION
• 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
• Adjust the audio generator output
level so that the modulation
analyzer shows 60% of the
maximum deviation of the selected
transmit passband width (Narrow,
Wide or Middle).
• Toggle the audio generator output
ON and OFF.
OPERATION
50 Hz
20 kHz
OFF
(P−P)/2
4-13
ADJUSTMENT
VALUE
ITEM
– More than 34 dB
More than 40 dB
More than 38 dB