mine fluctuates maybe 1% of so on the bar, but my voltage on batteries only jumps maybe .05. is this with new batteries and all contacts clean? They could have used some smoothing on the numbers it reads.
Also yes it does TCR/TFR and you can use steam engine to figure out how to use TFR. It does it all.b
Also yes it does TCR/TFR and you can use steam engine to figure out how to use TFR. It does it all.b