52
13
HM-127 REMOTE-CONTROL MICROPHONE
OPTION
■ Panel description
The optional HM-127 remotely controls the IC-M502A and
provides an optional Intercom function.
DD
Front and side keys
q PTT SWITCH
[
[
PTT
PTT
]
] (pgs. 8, 57)
Push and hold to transmit; release to receive.
w CHANNEL UP/DOWN KEYS
[
[
YY
YY
]
]
/
[
[
ZZ
ZZ
]
]
➥ Push either key to change the operating channel, Set
mode settings, etc. (pgs. 8, 57)
➥ Push either key to adjust audio level or noise squelch
level after
[
[
VOL
VOL
]
] or
[
[
SQL
SQL
]
] is pushed, respectively.
(pgs. 8, 57)
➥
Push either key to adjust the brightness of the LCD and
key backlight after
[
[
VOL
VOL
]
] is pushed for 1 sec. (p. 58)
➥ In Set mode, changes setting of the selected item. (pgs.
38, 62)
➥ Checks tag channels or changes scanning direction dur-
ing scan. (pgs. 13, 61)
e CHANNEL 16/CALL CHANNEL KEY
[
[
]
]
(
(
9
9
)
)
➥ Selects Channel 16 when pushed. (pgs. 6, 56)
➥ Selects call channel when pushed for 1 sec. (pgs. 6, 56)
•“CALL” appears when call channel is selected.
➥ Push for 3 sec. to enter call channel programming con-
dition when call channel is selected. (pgs. 9, 59)
➥ While pushing
[
[
H/L
H/L
]
], enters channel comments pro-
gramming condition. (pgs. 9, 63)
➥ Enters Set mode when pushed while turning power ON.
(pgs. 38, 62)
16
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