5213 HM-127 REMOTE-CONTROL MICROPHONEn Lock functionsThe lock function electronically locks keys and switches toprevent accidental changes and function access from the mi-crophone.• All keys, switches and controllers on the transceiver are functional.Activating the lockfunctionå Push [SQL] while pushing[H/L] to turn the lock functionON and OFF.• “ ” appears.• Only [PWR], [PTT], [H/L],[SQL•MONI], [VOL]+[Y]/[Z] and[SQL]+[Y]/[Z] are functional.Activating the all keylock functionå Turn the power ON by pushing[PWR] while pushing [H/L] toturn the all key lock functionON and OFF.• “ ” flashes.• Only [PWR] and [PTT] are func-tional.n Display backlightingThe function display and switches can be backlit for bettervisibility 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 adjustingmode.• “ ” with number of backlight level appears in the channel nameindicator.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 backlightlevel.• No backlight level indication is available.n Monitor functionThe monitor function releases the noise squelch mute of themicrophone only. (An independent noise squelch system isemployed.)å 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.Appears when the lockfunction is in use.Flashes when the all lockfunction is in use.