Copyright © 2019 RCA Communications Systems
11Prodigi
TM
RDR1520 Series Professional Digital Two-Way Radio Instruction Manual
Turn On/Off the Radio
1. Rotate the On/Off/Volume Control Knob
clockwise until you hear a click. (See Figure
7) The LED blinks green and a brief tone
sounds, indicating that the power up test
is successful.
2. To turn off the radio, rotate this knob
counterclockwise until you hear a click.
Note: There is no power up tone if the radio
tones/alerts function is disabled. If your radio
does not power up, check your battery. Make
sure that it is charged and properly attached.
If your radio still does not power up, contact
your RCA Communications Systems dealer.
Adjusting the Volume
To increase the volume, turn the On/Off/
Volume Control Knob clockwise. To decrease
the volume, turn this knob counterclockwise.
(See Figure 7)
Figure 7