Siemens FIDAMAT 6 Operating Instructions Manual page 68

Operation
type A:
smr : start of measuring range
emr: end of measuring range
LP: lower changeover point: select
smaller measuring range
UP: upper changeover point: select
larger measuring range
5-18
Only two measuring range types are distinguished:
The full-scale value must be less than the full-scale value which follows it. This
means that the upper measuring range limit is higher with each successive
measuring range.
The following applies to measuring range changeover:
FIDAMAT 6 gas analyzer
Operating manual –A5E00222135-01