o3 head

I'm pulling out what's left of my hair trying to accomplish something which seems would be easy but I must be doing something wrong... Basically... I'd like to change the color of the background by channel using an O3 control head (and possibly an O9): current CPS settings: Display- Advanced-...

I have an XTL5000 in Remote Config with an O5 Head. I know my way around the CPS and I program through the front mic connection on the O5 head. What does it take to switch over to an O3 Head? Can I just pick up any O3 head on eBay? Once I remove the O5 Head How am I programming? Thanks to All...

APX8500 installed in the trunk. NMO antenna hole drilled center of trunk and coax routed down trunk arm into trunk to radio brick. Control cable and speaker wire ran down the passenger side. Main power and ignition sense wires ran down the driver side. Ignition sense wire tapped into the...