Strange Brymen BM869 Resistance Quirk

A strange quirk in the Brymen BM869 Multimeter when measuring 560k resistors.
Obviously some sort of range switching hysteresis, but it doesn't seem present on other ranges or other brand Brymen meters.
Forum: https://www.eevblog.com/forum/testgear/brymen-bm869-resistance-quirk/

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