4-9g
(Replacement page)
July 2019
The underlined parts have been updated from the previous version of the addendum, or the original page.
4-4 RECEIVER ADJUSTMENTS (CONTINUED)
ADJUSTMENT ADJUSTMENT SETUP OPER ATION
ADJUSTMENT
ITEM/POINT
VALUE
SQUELCH (AM)
~Adjustment~
1 CH No.: [AM Mid]
Receiving
Connect the standard signal
generator (SSG) to the
antenna connector, and set
it to:
Frequency: 127.500 MHz
Modulation: 1 kHz
Deviation: 30%
[F3]
(Adjustment screen)
To the value so
that the squelch
just opens.
~Verification~
2 Set the frequency step in the
settings menu to 25 kHz.
Receiving
Set the SSG to:
Level*: 3 dBµV
(110 dBm)
Squelch closed
3 Set the SSG to:
Level*: 2 dBµV
(105 dBm)
Squelch
opened
4 Set the frequency step in the
settings menu to 8.33 kHz.
Receiving
Set the SSG to:
Level*: 11 dBµV
(96 dBm)
For only IC-A210/
IC-A220:
SQUELCH (FM)
~Adjustment~
1 CH No.: [FM High]
Receiving
Connect the standard signal
generator (SSG) to the
antenna connector, and set
it to:
Frequency: 163.275 MHz
Modulation: 1 kHz
Deviation: 30%
[F4]
(Adjustment screen)
To the value so
that the squelch
just opens.
~Verification~
2 Set the SSG to:
Level*: 0 dBµV
(107 dBm)
Squelch closed
3 Set the SSG to:
Level*: 5 dBµV
(102 dBm)
Squelch
opened
RX AUDIO
DISTORTION
AND FLOWING
CURRENT
~Verification~
1 CH No.: [AM Mid]
Receiving
Connect the distortion meter
to the external speaker line
with the 4 load.
Connect the ammeter
between the transceiver and
the power source.
Connect the standard signal
generator (SSG) to the
antenna connector, and set
it to:
Frequency: 127.500 MHz
(53 dBm)
Modulation: 1 kHz
Deviation: 85%
Set the volume so that the
distortion meter shows
4.47 V (5 W).
Less than 10%
of distortion
2 Set the volume level to the
maximum level.
Less than 4 A
3 Stand-by (squelched) Set the SSG to:
Level: OFF
Less than 0.8 A
Continued on the next page…
*The output level of the standard signal generator (SSG) is indicated at the load end (PD).
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