When you turn it on and it boots up, it must have a welcome type screen display for a few seconds. Does it say Jensen, or Magnadyne? Further into it, there must be a menu item for system info or something like that. I don't have the RV at home right now to do mine.
My 2014 came with the Jensen. The main silver knob, on the left of the screen, has a glowing red ring around it when either the engine is on, or the coach battery switch is on. Then when you push that button to turn the radio on, the ring glows green. If the ring is green, the radio is on. Even if you have muted it and blanked the screen with a short push on the knob. Long press to turn it off (red).
Is yours like that?
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2014 Sunseeker 2300 Chevy
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