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 Where can I buy the programing cable (USB Cable)? Common factors that cause high SWR readings How do I change the name? Can it be done with a smartphone? How can I ensure that I am buying the second generation of the sr-A10 antenna? SR-447HPC / SR-497HPC Setup Guide Comments 0 comments Article is closed for comments.