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

13
HM-127 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.
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],
Appears when the lock
function is in use.
Flashes when the all lock
function is in use.

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.

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.