As long as the coach is plugged in the
Bird System will keep all your batteries fully charged, leave your BDS switch on.
picture of Bird
In my signature below there are links to many others that will relate to your coach and in
QT's # 3, I have a Bay Star section that relates to your coach.
If your coach is outside its best to leave jacks up so piston rods do not get dirty and when using use WD-40 on them and wipe clean to keep them polished, periodically.
Did you find a manual for your DVD player should post model on Goggle and find?
Have a Brochure or Owners Guide if needed.