I dug thru my manual and every on-line resource I could find, but could NOT find a description for which position of the mapping switch was "cloudy" and "sunny". All the visual indicators on my switch have worn away, so I can't tell at all which switch position is what, and my backyard seat-of-the-pants can't detect it either.
Switch position "UP": what is it?
Switch position "DOWN": what is it?
Switch position "UP": what is it?
Switch position "DOWN": what is it?