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? What is the difference between a SR-955hpc and a SR-955hp? Can I upload music for a Roger beep or can I only use tones for it? How do I determine built date? How many amps does the SR-955HPC radio draw? Comments 0 comments Article is closed for comments.