I had a fairly obscure problem on my Jensen with it suddenly had the time set on a 24 hrs clock. Military time. I finally got on their website and was able to email their tech support and they responded the next day. They are good people and will no doubt help you. Hope this works out for you.
2011 Jayflight 23FB G2
2003 Chevy 1500 4x4
Wife Peggy and 2 Beagles and a rescue Cocker Spaniel
2007 Yamaha Grizzly 400 ATV and Yamaha 2000 watt Genny
Me/retired insurance claims and DW/retired RN.
"If the women don't find you handsome, they should at least find you handy."-Red Green