Every time I change something with software do I have to write to the radio? Shawn March 07, 2017 20:46 Yes, that's correct. Always read from the radio first, make the changes that you wish to and then write to the radio. Related articles I programmed my radio and lost channels Drivers for Windows 10? i have the radio sr955hpc looking to get software ... Configuring SR-955HPC / SR-655HPC Software With Windows 10 Programming Software Setup Help Video Comments 0 comments Article is closed for comments.