To select a roger beep tone for the SR-955HPC & SR-655HPC;
PRG: This switch allows you to select which roger beep is will be
activated when the RB switch is on.
PRG Menu Navigation
With the RB * PRG switch in the right position, the LCD meter will
display “1. Scan” rotating the channel selector will give you a second
option “2. RB”.
RB - This function lets you choose from a total of 6 roger beep. When
the “2.RB” is displayed on the meter, press the FUNC button once. You
should now see “RB 1” rotating the channel selector to the right allows
you to cycle through the roger beeps (RB 1-6). To select a roger beep
press the FUNC button once. Now selected roger been will be activated
when the “RB - PRG” button is in the left position.