Copyright © 2015 RCA Communications Systems
RPX4500/RPX4600 P25 PORTABLE RADIO – USER MANUAL
13
The functions of each of the controls are detailed below in Table 1.
Table 1. RPX4600 Control Functions.
KEY/CONTROL
LABEL
FUNCTION
On/Off/Volume
Rotate clockwise to turn the radio on. Rotate counter-clockwise to turn
the radio off. Rotate clockwise to increase volume to desired level.
Selector Switch
Rotate the switch to select the desired channel.
ABC Switch
Programmer configurable three position function switch.
PTT
Push-to-Talk. Hold the radio 3 – 4 inches from your mouth. Press and
hold the PTT switch and speak. Release to listen.
Function Key F1
M
Programmer configurable function key. Programmed Default is
Menu
Select
key.
Function Key F2
Programmer configurable function key. Programmed Default is
Chan-
nel Down
key.
Function Key F3
Programmer configurable function key. Programmed Default is
Chan-
nel Up
key.
Function Key F4
OK
Programmer configurable function key. Programmed Default is
OK
key.
Function Key F5
Programmer configurable function key.
Function Key F6
Programmer configurable function key. Programmed Default is
Reset/
Cancel
key.
Function Key F7
Programmer configurable function key. Programmed Default is
Alarm/Emergency
key
Keypad
0 to 9
* & #
The Keypad can be used to select a Channel or Special Function.
E.g. 12# will select channel 12.
INDICATOR LED
FUNCTION
A Green LED when receiving a signal.
A Red LED when the radio is transmitting.
PLEASE NOTE
When the manual refers to RPX4600, reference can also be applied to the RPX4500, except
when the keypad is used.