Instruction Manual

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Copyright © 2020 RCA Communications Systems www.RCACommunicationsSystems.com
Communications Systems
RDR42x0 Professional Digital
Two-Way Radios
INSTRUCTION MANUAL
PRODUCT INSPECTION
Prior to unpacking the RDR42x0 series portable radio, please inspect
the packaging for signs of damage and report any damage or missing
components immediately to your RCA Communications System Sales
and Service Center. Every RDR42x0 series portable radios should
come with the following items:
Item Qty.
Handheld Radio Unit 1
2300 mAh Li-Ion Battery 1
Whip Antenna 1
Heavy Duty Belt Clip 1
Desktop Rapid Charger Base 1
Power Supply for Charger Base 1
Wrist Strap
1
2300 mAh
Li-Ion Battery
Desktop Rapid
Charger Base
Power Supply for
Charger Base
Heavy Duty
Belt Clip
VHF UHF
Whip Antenna
RDR4220
Handheld Radio
RDR4280
Handheld Radio
RDR4250
Handheld Radio
1
Side Button 1
(Programmable)
7 Channel Knob 13
2-Way Navigation
Button
19 Antenna
2
Push-To-Talk Button
(PTT)
8
Top Button
(Programmable)
14 Return / Home Button 20 Battery
3
Side Button 2
(Programmable)
9 Speaker 15
Front Button P2
(Programmable)
4
Side Button 3
(Programmable)
10 Display (RDR4250 / RDR4280) 16 Keypad
5 LED Indicator 11 OK / Menu Button 17 Microphone
6 On/O/ Volume Knob 12
Front Button P1
(Programmable)
18 Accessory Connector
RDR4220 RDR4250 RDR4280
1
2
3
4
5
6 7
9
8
18
19
17
7
8
9
10
11
12
13
14
15
5
6
18
19
17
7
9
10
11
12
13
14
15
16
17
8
5
6
19
18
20