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PANEL DESCRIPTION
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PRIO A/B KEYS
➥
Push to select Priority A or Priority B channel.
➥
Push and hold [Prio A (Rewrite)] or [Prio B (Rewrite)] to set
the operating channel as the Priority A or Priority B chan-
nel.
MR-CH 1/2/3/4 KEYS
Push to select the memory channel 1 to 4 directly.
MONI (AUDI) KEY
➥
Mute and release the CTCSS (DTCS) or 2-tone squelch
mute. Open any squelch/deactivate any mute while push-
ing and holding this key. (LMR operation only)
➥
Activates one of (or two of) the following functions on each
channel independently: (PMR or BIIS PMR operation only)
• Push and hold to un-mute the channel (audio is emitted;
‘Audible’ condition).
• Push to mute the channel (sets to ‘Inaudible’ only).
• Push to un-mute the channel (sets to ‘Audible’ only).
• Push after the communication is finished to send a ‘reset code’.
(BIIS PMR operation only)
NOTE:
The un-mute condition (‘Audible’ condition) may
automatically return to the mute condition (‘Inaudible’ con-
dition) after a specified period depending on programming.
PUBLIC ADDRESS KEY
Push to activate the Public Address (PA) function for voice
amplification. When the PA function is activated, the audio
output can be controlled from the transceiver separately with
the [VOL] control knob.
• This function is available when the external unit, such as a audio
amplifier, speaker, etc. is additionally connected.
• Push this key, then speak into the microphone while pushing and
holding [PTT].
• [CH Up]/[CH Down] also allow you to set the audio output level.
RX SPEAKER KEY
The received audio can be heard via the external speaker
when this key is pushed.
• This function is available when the external speaker is additionally
connected.
• This function is useful when you are out of the vehicle.
• The audio output level is linked to the transceiver’s volume control.
LIGHT KEY
Push to turn the transceiver’s backlight ON for about 5 sec.
when the backlight function is turned OFF in user set mode.
LOCK KEY
Push and hold to electronically lock all programmable keys
except the following:
[Moni(Audi)], [Light], [Lock], [Call] (incl. Call A and Call B),
[Emergency Single]/[Emergency Repeat] (incl. Silent), [Surveillance]
and [OPT 1/2/3].
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