Does the SR-955HPC have a "PA mode". If yes, where is the switch or button? Shawn July 31, 2017 21:27 The mode switch allows you to select the PA option. Related articles Does the Stryker SR-955 HPC transmit a CTCSS tone to access repeaters? How many amps does the SR-955HPC radio draw? What is the difference between a SR-955hpc and a SR-955hp? Difference between the SR-655HPC & SR-955HPC? SR-955HPC Setup Guide Comments 0 comments Article is closed for comments.