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12
HM-134 REMOTE-CONTROL MICROPHONE
Lock functions
The lock function electronically locks keys and switches to
prevent accidental changes and function access from the mi-
crophone.
All keys, switches and controllers on the transceiver are functional.
ïï
Activating the lock
function
While pushing and holding
[H/L], push [SQL] to turn the
lock function ON and OFF.
•“ appears.
Only [PWR], [PTT], [H/L],
[SQLMONI], [VOL]+[Y]/[Z] and
[SQL]+[Y]/[Z] are functional.
ïï
Activating the all key
lock function
While pushing and holding
[H/L], turn the power ON by
pushing [PWR] to turn the all
key lock function ON and OFF.
•“ ashes.
Only [PWR] and [PTT] are func-
tional.
Display backlighting
The function display and switches can be backlit for better
visibility under low light conditions. And the backlighting con-
dition can be adjusted independently from the transceiver.
q Push and hold [VOLDIM] for 1 sec. to enter backlight ad-
justing mode.
•“ with number of backlight level appears in the channel name
indicator.
w Push [Y]/[Z] to adjust the backlight level.
The backlight level is adjustable between 0 (lights OFF) and 3
(brightest).
Monitor function
The monitor function releases the noise squelch mute of the
microphone only. (An independent noise squelch system is
employed.)
Push and hold [SQLMONI] for 1 sec. to activate the mon-
itor function.
•“ ashes and audio is emitted.
Any key, except [Y]/[Z], cancels the monitor function.
Appears when the lock
function is in use.
Flashes when the all lock
function is in use.
01 IC-M503-(1).qxd 01.12.17 5:00 PM Page 34 (1,1)
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