Instruction Manual

3
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Communications Systems
INSTRUCTION MANUAL
RDR2750 Digital Base
Station Radio
Connecting the Base Station to Power Outlet
1. Plug the adapter’s AC connector into the AC outlet socket. (see
image A)
2. Plug the adapter’s DC connector into the DC socket on the back of
the base station. (see image B)
Attaching / Removing the Antenna
1. With the base station turned o, set the antenna in the antenna
connector and turn clockwise to secure it.
2. To remove the antenna, turn the base station o and turn the antenna
counterclockwise.
Image A
Image B
MENU
P1
PTPT TT
CH+ VOL+
CH- VOL-
P2
OK BACK
Turn On/O the Base Station
The base station can be turned On/O by using the power switch.
Note: There is no power up tone if the radio tones/alerts function
is disabled. If your base station does not power up, check your
connection to the power source. Make sure that power cord is properly
attached. If your base station still does not power up, contact your RCA
Communications Systems dealer.
Adjusting the Volume
To increase the volume, press the (
VOL+
) button. To decrease the
volume, press the (
VOL-
) button.
Programmable Buttons
Your RCA Communications Systems Dealer can program the
programmable buttons as shortcuts to radio functions or preset
channels/groups depending on the duration of a button press:
Short Press - Press and release quickly.
Long Press - Press and hold for the programmed duration (between 1
seconds and 3.75 seconds).
All Alert Tones On/O - Toggles all tones and alerts on or o.
Emergency On - Initiates an emergency alarm or call.
Emergency O - Cancels an emergency alarm or call.
Nuisance Delete - Temporarily removes an unwanted channel, except
for the Selected Channel, from the scan list. The Selected Channel
refers to the user’s selected zone/channel combination from which
scan is initiated.
High/Low Transmit Power - Toggles transmit power level between high
and low.
Monitor On/O - Monitors a selected channel for activity.
One Touch Access - Directly initiates a predefined Private or Group Call,
a Call Alert or a Quick Text message.
Scan On/O - Toggles scan on or o. Tight/Normal Squelch -
Toggles squelch level between tight and normal squelch levels.
Privacy On/O - Toggles privacy (basic voice encryption) on or o.
Lone Worker On/O - Toggles Lone Worker feature On or O, on per
channel basis.
Push-To-Talk (PTT) Button
The PTT button on the side of the radio has two main functions:
- Press and hold down PTT button to initiate and call and talk.
Release the PTT button to listen. The microphone is activated
when the PTT button is pressed.
- If a call is in progress, the PTT button allows the radio to transmit to
the other radios that are part of the call.
Note: If the Talk Permit Tone is enabled, wait until the short alert tone
ends before talking.
During a call, if the Channel Free Indication feature is enabled on your
radio (programmed by your RCA Communications Systems Dealer),
you will hear a short alert tone the moment the target radio (the radio
The Programmable Functions are:
All Alert Tones On/Off One Touch Access 4
Emergency On One Touch Access 5
Emergency Off One Touch Access 6
Nuisance Delete Repeater/Talkaround
High/Low Transmit Power Scan On/Off
Monitor On/Off Tight/Normal Squelch
One Touch Access 1 Encryption On/Off
One Touch Access 2 Lone Worker On/Off
One Touch Access 3