CONTROL & OPERATION
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1
CHANNEL DISPLAY
The channel display will indicate the
current operating channel. When the
Scan Channel is selected the display
will rapidly flash the channels being
scanned, and will stop when a
channel is received. The channel
display also indicates the volume
level between 0-9 whenever a volume
control is pressed.
2
CHANNEL SELECTOR
Press the Channel Selector button
and the radio will advance the
channel. The Channel Beep will be
heard any time Channel 1 is selected.
When the Scan Channel is selected
the radio will sound the Scan Beep
and begin scanning.
3
AUDIO ACCESSORY JACK
The audio accessory jack is used to
plug in earphone options and, in
conjunction with the microphone jack,
to connect an optional remote
speaker / microphone or a single-ear
or dual-ear headset. This jack is also
used for PC programming.
4
MICROPHONE JACK
The microphone jack is used to
connect optional external
microphones and, in conjunction with
the audio accessory jack, to connect
an optional remote speaker /
microphone, or a single-ear or dual-
ear headset.
5
SPEAKER
The speaker allows you to hear calls
on your channel.
FIG-1: RADIO CONTROLS & CONNECTORS
6
POWER CONNECTOR (TOP END OF CASE)
The power connector on the top end of the radio is used
to connect power to the unit, either an external 12 VDC
supply or the RPS-1B cube power supply included with
the radio.
7
ANTENNA
The flexible antenna radiates and receives radio signals.
The antenna connects to a BNC type connector located
on the top end of the radio.
NOTE:
The AFB-1545 antenna furnished with the radio
will work with VHF and UHF radios.
8
PUSH-TO-TALK SWITCH (PTT)
Press and hold the PTT when transmitting; release it to
receive.
9
“Z” BUTTON - PROGRAMMABLE
SOFT KEY
The “Z” button is capable of
performing one of a variety of
functions. These functions can be PC
programmed by your Ritron dealer
OR certain functions can be assigned
to the “Z” button by the end user.
Function options: Channel Scan,
Weather Channel, Monitor, Send 2-
Tone Code, Send Call Tone, Send
DTMF ANI (PC programmable by
your Ritron dealer).
10
VOLUME DOWN / OFF
Press the Volume Down / Off button
to decrease volume. The channel
display will indicate the volume level
as long as the Volume Down / Off
button is pressed. To turn Off the unit,
press and hold this button until the
speaker sounds a double beep.
11
ON / VOLUME UP
To turn the unit On, press the On /
Volume Up button; the speaker will
sound the Channel Beep. If the radio
turns on to the Scan Channel it will
sound the Scan Beep. Once the radio
is On, press this button to increase
volume. The channel display will
indicate the volume level as long as
the On / Volume Up button is
pressed.
12
MICROPHONE
The microphone allows your voice to
be heard in transmissions to other
radios. Speak in a normal tone;
shouting does not improve your
li
steners’ reception.
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