![background image](http://html.mh-extra.com/html/icom/ic-91a/ic-91a_instruction-manual_612374130.webp)
The optional HM-75A allows you to remotely select operating
frequencies, memory channels, etc.
Remote control functions can be selected from 3 settings.
These can be selected with “MIC SIMPLE MODE” in set
mode.
(p. 90)
The HM-75A has a lock switch on the backside to prevent ac-
cidental frequency changes, etc.
Be sure to turn power OFF when plugging the HM-75A to
the
[MIC/SP]
jacks.
• NORM-1: (default)
• NORM-2:
• SIMPLE:
VFO mode cannot be selected via the microphone when
SIMPLE mode is selected.
SIMPLE mode can select only 3 channels and is useful for
group operations during touring, etc.
A
OFF
ON
LOCK
B
PTT switch
Transmit LED
Earphone jack
Microphone
Speaker
MENU screen
➪
SET MODE
➪
MIC SIMPLE MODE
(Push
[MENU/LOCK]
) (Rotate
[DIAL]
†
, then push
[
ï
](5)
†
.)
124
15
OPTIONS
■
Optional HM-75A
REMOTE CONTROL MICROPHONE
[A]
Selects band.
[B]
Toggles VFO mode and memory mode.
[
Y
]
Frequency or memory channel “UP”.
[
Z
]
Frequency or memory channel “DOWN”.
[A]
Toggles the monitor function.
[B]
Toggles VFO mode and memory mode.
[
Y
]
Frequency or memory channel “UP”.
[
Z
]
Frequency or memory channel “DOWN”.
[A]
Toggles the monitor function.
[B]
Selects call channel C0.
[
Y
]
• Selects memory channel 000 in memory mode.
• Volume “UP” while operating the monitor function.
[
Z
]
• Selects memory channel 001 in memory mode.
• Volume “DOWN” while operating the monitor function.
†
[DIAL]
↔
[
∫
∫
](2)
/
[
√
√
](8)
[
ï
](5)
↔
[
≈
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](6)