Icom IC-F4101D Service Manual page 18

5-3 TRANSMIT ADJUSTMENTS (Continued)
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, then push [ENTER].
TRANSCEIVER'S
ADJUSTMENT
FM DEVIATION 1 • Set the coursor on [MOD W Start] to enter the "FM DEVIATION
-Middle-***
(Band low)
2 • Channel
• Transmitting
(Band center) 3 • Channel
• Transmitting
(Band high) 4 • Channel
• Transmitting
5 • Set the coursor on [MOD W Start] to quit the "FM DEVIATION
DIGITAL 1 • Set the coursor on [MOD D Start] to enter the "DIGITAL DEVIA-
DEVIATION
(Band low)
2 • Channel
• Transmitting
(Band center) 3 • Channel
• Transmitting
(Band high) 4 • Channel
• Transmitting
5 • Set the coursor on [MOD D Start] to quit the "DIGITAL DEVIA-
CTCSS 1 • Channel
DEVIATION
• No AF input from
• Transmitting
DTCS DEVIATION 1 • Channel
• No AF input from
• Transmitting
2/5 TONE, DTMF 1 • Channel
DEVIATION • Transmitting
2
*: For all models except [USA]. **: For [USA] ***: For only [EUR].
CONDITION
-Middle-" adjustment mode.
: 1-16 • Connect a modulation analyzer with an
oscilloscope to the antenna connector
through an attenuator, and set it as;
HPF
LPF
: 1-17
De-emphasis : OFF
Detector
: 1-18 • Connect an audio generator to the [MIC]
jack through the JIG cable, and set it as;
Frequency
Waveform
Level
-Middle-" adjustment mode.
TION" adjustment mode.
: 1-19 • Connect a modulation analyzer to
the antenna connector through an
attenuator, and set it as "FM DEVIA-
: 1-20
TION -Middle-."
• Connect an audio generator to the [MIC]
: 1-21 jack through the JIG cable, and set it as
"FM DEVIATION -Middle-."
TION" adjustment mode.
: 1-22* • Connect a modulation analyzer with an
1-23** oscilloscope to the antenna connector
through an attenuator, and set it as;
the MIC. HPF
LPF
De-emphasis : OFF
Detector
: 1-24* • Connect a modulation analyzer to
1-25** the antenna connector through an
attenuator, and set it as "CTCSS DEVIA-
the MIC. TION."
: 1-26 • Set the TX mode to "5" on the "ADJUST-
MENT UTILITY" screen.
• Connect a modulation analyzer to
the antenna connector through an
attenuator, and set it as "MODULATION
BALANCE."
OPERATION
: OFF
: 15 kHz
: (P–P)/2
: 1 kHz
: Sine wave
: 150 mVrms
: OFF
: 15 kHz
: (P–P)/2
5 - 6
ADJUSTMENT
VALUE
ITEM
–
[MOD M Start]
±3.25 to ±3.35
kHz±
[MOD M L]
[MOD M C]
[MOD M H]
–
[MOD M Start]
–
[MOD N Start]
±1.36 to ±1.40
[MOD D L]
kHz
[MOD D C]
[MOD D H]
–
[MOD N Start]
±0.65 to ±0.75 kHz*
±0.30 to ±0.40 kHz**
[CTCSS]
±0.65 to ±0.75 kHz*
±0.30 to ±0.40 kHz**
[DTCS]
5
[TX Mode]
±1.45 to ±1.55
kHz
[S.Tone]