Explain for ungenau.
this Heathkit DMM have a Gas lamp for 1 and 2 Nixies. So the overflow is at #199
means when you want to check the AC Voltage what is 230V you have to select 1kV (yes it have
)
and the display will show you "23" ±1 digit. = ungenau
it`s not a bug, it`s a feature