Originally Posted by tws
I'm still not understanding what it actually does.
It is Switch installed by the manufacturer to allow Salesmen or RV Owner to quickly turn off power (STORE) to all of things connected to the House battery so it will not drain the batteries down. Think if you may not USE the coach for a week or longer them it may be good to put in STORE mode (Off).
On the Flip side, whenever you are using the coach, it should be in USE mode (On)