• Minimum audio level (when setting control maximum counter clock-
wise) is pre-programmed.
CHANNEL UP/DOWN KEYS []/[]([CH UP]/[CH DN])
Push to select an operating channel.
• Can be programmed for one of several functions by your dealer.
POWER SWITCH
Turns the power on and off.
• The following functions are available at power on as options:
➥ Automatic scan start
➥ Password prompt
KEYPAD
The keypad allows you to enter digits to:
➥ Select memory channels
➥ Select tone channels
➥ Select DTMF codes (during transmit)
➥ Set SmarTrunk II™ codes
MICROPHONE CONNECTOR
Connects the supplied microphone or optional DTMF microphone for SmarTrunk II™ operation.
NEVER connect other microphones. The pin assignments
may be different and the transceiver may be damaged.
MICROPHONE
The supplied microphone has a PTT switch and a cradle. The
following functions are available when the microphone is
taken off the cradle or put back on hook:
➥ Automatic scan start when putting on hook
➥ Automatic priority channel selection when taken off hook
➥ Set to ‘inaudible’ (mute condition) when putting on hook
➥ Set to ‘audible’ (unmute condition) when taken off hook
■ Programmable keys
The following functions can be assigned to the programmable
function keys. Assigned function names can be affixed to the
corresponding keys using the supplied stickers*.
*Some functions do not have supplied stickers.
D Programmable functions with supplied
stickers
MEMORY CHANNEL KEYS
MR–1
MR–2
MR–3
MR–4
Select a memory channel directly.
2
PANEL DESCRIPTION
1
BANK KEY
BANK
Selects a memory bank.
PRIORITY CHANNEL KEYS
PRI A
Select priority A or priority B channel.
PRI B
SCAN KEYS
SCN A
Start/stop scan A or scan B.
SCN B
SCAN TAG KEY
TAG
•“” appears above the [TAG] key when the channel belongs to
the scan group.
Adds or deletes the selected channel to the scan
group.
MONITOR KEY
MONI
• Push and hold the key to unmute the channel (audio is emitted; ‘au-
dible’ condition).
• Push the key to toggle the mute and unmute conditions (toggles ‘au-
dible’ and ‘inaudible’).
• Push the key to mute the channel (sets to ‘inaudible’ only).
Activates one of (or two of) the following functions
on each channel independently.
• Push the key to unmute the channel (sets to ‘audible’ only).
• Push the key after communication is finished to send a ‘reset code.’
☞ NOTE: The unmute condition (‘audible’ conditions) may
automatically return to the mute condition (‘inaudible’ condition) after a specified period.
PUBLIC ADDRESS KEY
When an optional OPC-617
PA
the audio output via the cable can be controlled
from the transceiver separately from the [VOLUME] control.
• This audio output can be used as a ‘public address’ function when
an external audio amplifier and speaker are connected additionally.
• Push this key, then speak into the microphone while pushing the
PTT switch.
• The [CH UP]/[CH DN] keys allow you to set the audio output level
from minimum to maximum.
EXTERNAL SPEAKER KEY
When external connections are made for the ‘public
SP
address’ function, the external speaker drive function is also available simultaneously. The received audio can
be heard via the external speaker when this key is pushed.
• This function is useful when you are out of the vehicle.
• The audio output level is linked to the transceiver’s volume control.
LOCK KEY
LOCK
Electronically locks all programmable keys except
ACC CABLE
is installed,
3
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