I have a 2014 R207 with factory installed dual batteries and have a question on the battery switch. In the Owner’s manual page 3-2 has the following: If the switch is in the: “OFF” position then only Bilge pump, CO detector and Stereo memory has power. “#1” Position uses only number 1 battery “#2” Position uses only number 2 battery “ALL” Position uses both batteries It continues on to say that: The “#1” position will use battery 1 power but will charge both batteries when engine is running. The “#2” position uses battery 2 they recommend this setting for using power when the engine i