Icom IC-2820H Instruction Manual - Page 123

Squelch delay, Mic sens level, Auto ATT, Diversity, HM-154 UP/DN

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MENU SCREEN OPERATION 14 D Squelch delay Selects squelch delay from short and long to prevent repeated opening and closing of the squelch during reception of the same signal. • SHORT : Short squelch delay. (default) • LONG : Long squelch delay D Mic sens level Selects the microphone sensitivity from HIGH and LOW to suit your preference. (default : USA version; LOW, Other versions; HIGH) D Auto ATT The attenuator prevents distortion of a desired signal by very strong RF signals near the desired frequency or when very strong electric fields, such as from a broadcasting station, are present at your location. Select the attenuator function ON (default) and OFF. D ALC Sets the ALC (Automatic Level Control) function ON and OFF (default). The ALC function reduces the microphone again automatically when the transmission audio is distorted. D Diversity Turns the diversity function ON and OFF (default). D GPS Turns the GPS function ON (default) and OFF. D HM-154 UP/DN Sets the assigning function to the [UP]/[DN] keys on the optional HM-154. Assignable functions: • MIC-UP* (default) • MIC-DN† (default) • F/LOCK (as [F• ]) • DUP/MONI (as [DUP•MONI]) • TONE/DTMF (as [TONE•DTMF]) • LOW/PRIO (as [LOW•PRIO]) • L M.CALL/MW (as [M/CALL•MW] for Left band) • L V/MHz/SCAN (as [V/MHz•SCAN] for Left band) • L MAIN/BAND (as [MAIN•BAND] for Left band) • R M.CALL/MW (as [M/CALL•MW] for Right band) • R V.MHz/SCAN (as [V/MHz•SCAN] for Right band) • R MAIN/BAND (as [MAIN•BAND] for Right band) *Available for "HM-154 UP" only; †Available for "HM-154 DN" only 1 2 3 4 5 6 7 8 9 10 11 14 13 14 15 16 17 18 19 102

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102
14
MENU SCREEN OPERATION
1
2
3
4
5
6
7
8
9
10
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19
D
Squelch delay
Selects squelch delay from short and long to prevent re-
peated opening and closing of the squelch during reception
of the same signal.
• SHORT : Short squelch delay.
(default)
• LONG
: Long squelch delay
D
Mic sens level
Selects the microphone sensitivity from HIGH and LOW to
suit your preference. (default : USA version; LOW, Other ver-
sions; HIGH)
D
Auto ATT
The attenuator prevents distortion of a desired signal by very
strong RF signals near the desired frequency or when very
strong electric
fi
elds, such as from a broadcasting station, are
present at your location.
Select the attenuator function ON
(default)
and OFF.
D
ALC
Sets the ALC (Automatic Level Control) function ON and OFF
(default)
.
The ALC function reduces the microphone again automati-
cally when the transmission audio is distorted.
D
Diversity
Turns the diversity function ON and OFF
(default)
.
D
GPS
Turns the GPS function ON
(default)
and OFF.
D
HM-154 UP/DN
Sets the assigning function to the [UP]/[DN] keys on the op-
tional HM-154.
Assignable functions:
• MIC-UP*
(default)
• MIC-DN
†
(default)
• F/LOCK
(as
[
F
•
]
)
• DUP/MONI
(as
[DUP•MONI]
)
• TONE/DTMF
(as
[TONE•DTMF]
)
• LOW/PRIO
(as
[LOW•PRIO]
)
• L M.CALL/MW
(as
[M/CALL•MW]
for Left band)
• L V/MHz/SCAN
(as
[V/MHz•SCAN]
for Left band)
• L MAIN/BAND
(as
[MAIN•BAND]
for Left band)
• R M.CALL/MW
(as
[M/CALL•MW]
for Right band)
• R V.MHz/SCAN
(as
[V/MHz•SCAN]
for Right band)
• R MAIN/BAND
(as
[MAIN•BAND]
for Right band)
*Available for “HM-154 UP” only;
†
Available for “HM-154 DN” only