I fixed that problem by buyong a 10x10 foot tent. I had a yamaha keyboard melt in ft lauderdale when I frst moved here from Chicago. I never dreamed of that problem there. Welcome to florida. Got my tent a walmart for $100.oo. easy to set up and made playing outside a lot nicer.
MEL
_________________________
KORG PA1000, KORG PA900, 2 BOSE S1 PROS, 2 BOSE L1 COMPACTS, YAMAHA STAGEPAS 500, ROLAND VP7