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They have an "off" button and they may even auto power off, but all that does is blank the screen. They're still tracking the position of the slider and that's what consumes most power.
For occasional home use, maybe I'll just to get the £20 from Screwfix and remove the battery between uses. I assume setting the zero position cannot be that much trouble.
Nick_S
They have an "off" button and they may even auto power off, but all that does is blank the screen. They're still tracking the position of the slider and that's what consumes most power. Any time they have a battery installed they're draining it as fast as if they were fully on.
If they didn't do this they'd lose their zero position every time.