Will the SR-94HPC retain settings when disconnected from power? Shawn February 23, 2018 19:31 Yes, the SR-94HPC will retain all settings even if it's disconnected from power. Related articles Repeater Offset? How to remove SMD resistors for CTCSS Board Installation Where do I get the SR-94HPC USB PC Programming Cable? How long is the power cord on the SR-94HPC? Installation instructions for the CTCSS Board Comments 0 comments Article is closed for comments.