Icom Ic-2820H Service Manual page 21

¤ DEVIATION ADJUSTMENT (continued)
ADJUSTMENT ITEM
430 MHz (Band (FM)
DEVIATION Low) [R FMD]
(Right Band)
(FM-N)
[R FMD]
(Band (FM)
Center) [R FMD]
(FM-N)
[R FMD]
(Band (FM)
High) [R FMD]
(FM-N)
[R FMD]
430 MHz (Band (FM)
MODULATION Low) [R FMB]
BALANCE
(FM-N)
(Right Band)
[R FMB]
(Band (FM)
Center) [R FMB]
(FM-N)
[R FMB]
(Band (FM)
High) [R FMB]
(FM-N)
[R FMB]
430 MHz (FM)
DTCS [R MDT]
MODULATION
(FM-N)
(Right Band)
[R MDT]
430 MHz (FM)
CTCSS [R MCT]
MODULATION
(FM-N)
(Right Band)
[R MCT]
DV MODE (Band Low)
DEVIATION* [L MDS]
(144 MHz Band)
(Band Center)
[L MDS]
(Band High)
[L MDS]
(Band Low)
DV MODE
MODULATION
[L MDB]
BALANCE*
(Band Center)
(144 MHz Band)
[L MDB]
(Band High)
[L MDB]
DV MODE (Band Low)
DEVIATION* [R MDS]
(430 MHz Band)
(Band Center)
[R MDS]
(Band High)
[R MDS]
DV MODE (Band Low)
MODULATION [R MDB]
BALANCE*
(Band Center)
(430 MHz Band)
[R MDB]
(Band High)
[R MDB]
*; Optional UT-123 is required.
ADJUSTMENT CONDITIONS
1 • Connect a Modulation Analyzer to
the antenna connector (J1) through
an attenuator.
2
• Connect an Audio Generator to the
JIG cable (See the page 5-1 for the
• connector and setting details).
3
Transmitting
4
5
6
1 • Connect a Modulation Analyzer to
the antenna connector (J1) through
an attenuator.
2
• No audio signals are applied to the
JIG cable (See the page 5-1).
• Transmitting
3
4
5
6
1 • Connect a Modulation Analyzer to
the antenna connector (J1) through
an attenuator.
2
• No audio signals are applied to the
JIG cable (See the page 5-1).
• Transmitting
1 • Connect a Modulation Analyzer to
the antenna connector (J1) through
an attenuator.
2
• No audio signals are applied to the
JIG cable (See the page 5-1).
• Transmitting
1 • Connect a Modulation Analyzer to
the antenna connector (J1) through
an attenuator.
2
• Transmitting
3
1 • Connect a Modulation Analyzer to
the antenna connector (J1) through
an attenuator.
2
• Transmitting
3
1 • Connect a Modulation Analyzer to
the antenna connector (J1) through
an attenuator.
2
• Transmitting
3
1 • Connect a Modulation Analyzer to
the antenna connector (J1) through
an attenuator.
2
• Transmitting
3
5 - 5
OPERATION
Rotate the right band's [DIAL] to
adjust the deviation, then push
the right band's [MAIN•BAND]
key during transmit.
Rotate the right band's [DIAL] to
adjust the wave form, then push
the right band's [MAIN•BAND]
key during transmit.
Rotate the right band's [DIAL] to
adjust the deviation, then push
the right band's [MAIN•BAND]
key.
Rotate the right band's [DIAL] to
adjust the deviation, then push
the right band's [MAIN•BAND]
key.
Rotate the right band's [DIAL] to
adjust the deviation, then push
the right band's [MAIN•BAND]
key during transmit.
Rotate the right band's [DIAL] to
adjust the wave form, then push
the right band's [MAIN•BAND]
key during transmit.
Rotate the right band's [DIAL] to
adjust the wave form, then push
the right band's [MAIN•BAND]
key during transmit.
Rotate the right band's [DIAL] to
adjust the wave form, then push
the right band's [MAIN•BAND]
key during transmit.
VALUE
±4.2 kHz
±2.1 kHz
±4.2 kHz
±2.1 kHz
±4.2 kHz
±2.1 kHz
(Square
Wave form)
±0.8 kHz
±0.75 kHz
±0.9 kHz
Minimum
deviation
±1 kHz
Minimum
deviation