It appears that yours is an isolated case on the T3 thus far chony. If anyone can help you though, it is Steve Deming of Yamaha U.S..

Sorry the isolated case happened to be your T3...

Best, Mike
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Yamaha Genos, Mackie HR824 MKII Studio Monitors, Mackie 1202 VLZ Pro Mixer (made in USA), Cakewalk Sonar Platinum, Shure SM58 vocal mic.