I have a Garmin 93 sv uhd and live scope lvs 32, was fishing the last two in 90 degree heat and unit shut down after about 4-5 hours. Gls 10 black box mounted in stowage compartment. Was wondering if it was overheating? Run black box and head unit off of Amped 30 amp hr battery and voltage was constant at 12.8 volts while on and after I turned it back on after it shutdown. Or maybe sleep mode? Not sure, has never shut off before but first time using it in such high heat. Thanks.
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