RBS-477DMR
DMR/A
NALOG
B
ASE
R
ADIO
U
SER
M
ANUAL
R
ADIO
O
PERATION
-
G
ENERAL
Have questions?
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or visit our website at
www.ritron.com
4
R
ADIO
C
ONTROLS AND
C
ONNECTORS
1
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 included with the radio will
work with VHF and UHF radios.
2
VOLUME DOWN / OFF BUTTON
Press and release the Volume Down / Off button to
decrease volume. The channel display will indicate the
volume level when the Volume Down / Off button is
pressed. To turn Off the unit decrease the volume level to
“0”, then press an additional time to turn off. The speaker
will sound a double beep.
3
ON / VOLUME UP BUTTON
To turn the unit On, press and release the On / Volume Up
button; the speaker will sound the Channel Beep. Once
the radio is On, press and release this button to increase
volume. The channel display will indicate the volume level
when the On / Volume Up button is pressed.
4
PUSH-TO-TALK (PTT) BUTTON
Press and hold the PTT when transmitting; release it to
receive.
5
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.
6
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.
7
USB PROGRAMMING JACK
USB Mini B jack used for radio programming.
8
CHANNEL SELECTOR BUTTON
Press the Channel Selector button and the radio will
advance the channel. The Channel Beep will be heard any
time Channel 1 is selected.
9
P1 BUTTON - PROGRAMMABLE SOFT KEY
The P1 Button is used for selective signaling. Use the P1
button to step through DMR or Analog contacts for
selective calling or control signaling.
10 P2 BUTTON - PROGRAMMABLE SOFT KEY
The P2 Button is capable of performing a variety of
functions. Function options: Channel Scan, Weather
Channel, Monitor, Send 2-Tone Code, Send Call Tone,
Send DTMF or Selcall ANI. Refer to the
P2 Button
section
of this manual for details.
FIG-1: RADIO CONTROLS & CONNECTORS
11 CHANNEL DISPLAY
The 2-line x 8-character channel display will indicate the
current operating channel when in standby. The display
will also indicate current operating conditions such as
volume, caller ID, DMR/Analog channel type, busy
channel, etc.
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 listeners’ reception. With
an optional headset or hand mic plugged into the
Microphone Jack this front panel microphone is disabled.
13 SPEAKER
The speaker allows you to hear calls on your channel.
With an optional headset or hand mic plugged into the
Audio Accessory Jack this front panel speaker is disabled.
14 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.
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