I Lock Functions; I Display Backlighting; I Monitor Function - Icom IC-M502 Instruction Manual

13
HM-127 REMOTE-CONTROL MICROPHONE

I 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.
Activating the lock
function
➥ Push [SQL] while pushing
[H/L] to turn the lock function
ON and OFF.
• " " appears.
• Only [PWR],
[SQL•MONI], [VOL]+[Y]/[Z] and
[SQL]+[Y]/[Z] are functional.
Activating the all key
lock function
➥ Turn the power ON by pushing
[PWR] while pushing [H/L] to
turn the all key lock function
ON and OFF.
• " " flashes.
• Only [PWR] and [PTT] are func-
tional.
52
[PTT], [H/L],

I 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 [VOL•DIM] for 1 sec. to enter backlight adjusting
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 7
(brightest).
For your reference:
Pushing [Y]/[Z], while [H/L] is pushed, also adjusts backlight
level.
• No backlight level indication is available.

I Monitor function

The monitor function releases the noise squelch mute of the
microphone only. (An independent noise squelch system is
employed.)
➥ Push [SQL•MONI] for 1 sec. to activate the monitor func-
tion.
• " " flashes and audio is emitted.
• Any key, except [Y]/[Z], cancels the monitor function.