Join Date: Mar 2017
Location: Salt Lake City, Utah U.S.A.
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I don't have a 750, so I'm just speaking in generalities, but it's a digital temp gauge. 2 and 3 are right next to each other. (one bit on a low resolution A2D would be 1/256 of the designed range). If it's really cold, he might be bouncing between 2 and 3, when on a warmer day it might stay in 3. If it was going into broader zones, or if the behavior occurred in temps that were the same or warmer than when it was steady, then that seems like an issue.