On/Off/Volume Knob; Channel Selector Knob; Accessory Connector; Model Label - Motorola RDX Series User Manual

On/Off/Volume Knob

Used to turn the radio ON or OFF and to adjust
the radio's volume.

Channel Selector Knob

Used to switch the radio to different channels.

Accessory Connector

Used to connect compatible audio accessories.

Model Label

Indicates the model of the radio.

Microphone

Speak clearly into the microphone when
sending a message.

Antenna

For models RDU4100 and RDU4103 there are
2 removable antennas. For RDV5100 there is
one VHF removable antenna.

LED Indicator

Used to give battery status, power-up status,
radio call information and scan status.
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SIDE BUTTONS

Push-to-Talk (PTT) Button
• Press and hold down this button to talk, release it
to listen.
Side Button 1 (SB1)
• The Side Button 1 is a general button that can be
configured by the Customer Programming
Software - CPS. The default setting of SB1 is
'Monitor'.
Side Button 2 (SB2)
• The Side Button 2 is a general button that can be
configured by the CPS. The SB2 default setting is
'Scan/Nuisance Channel Delete'.