44
13
HM-127 REMOTE-CONTROL MICROPHONE
OPTIONAL
■ Panel description
The optional HM-127 remotely controls the IC-M502 and pro-
vides an optional intercom function.
q POWER SWITCH [PWR] (pgs. 8, 51)
Push for 2 sec. to turn the HM-127 power ON or OFF
when the IC-M502 power is turned ON.
w PTT SWITCH [PTT] (pgs. 8, 51)
Push and hold to transmit; release to receive.
e CHANNEL UP/DOWN SWITCHES [
YY
]/[
ZZ
]
➥Push either switch to change the operating channel, set
mode contents, etc. (pgs. 8, 51)
➥While pushing [H/L], push [Y]/[Z] to adjust the bright-
ness of the LCD and switch backlight. (p. 52)
➥Push either switch to adjust audio level or noise squelch
level after [VOL] or [SQL] is pushed, respectively. (pgs.
8, 51)
➥In set mode, changes setting of the selected item. (pgs.
9, 55)
➥Checks tag channels or changes scanning direction dur-
ing scan. (pgs. 8, 54)
r CHANNEL 16/CALL CHANNEL SWITCH [16•9]
➥ Selects channel 16 when pushed. (pgs. 6, 50)
➥Selects call channel when pushed for 1 sec. (pgs. 6, 50)
•“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, 53)
➥While pushing [H/L], enters memory name programming
condition. (pgs. 9, 56)
➥Enters set mode when pushed while turning power ON.
(pgs. 30, 55)
t CHANNEL/DUALWATCH/TRI-WATCH SWITCH
[CH/WX•DW•U/I/C]
➥Selects and toggles the regular channels and weather
channel when pushed momentarily. (pgs. 6, 7, 50)
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