ABB LMT100 Operation Instructions Manual page 42

42 L M T S E R I E S | M A G N E TO S T R I C T I V E L E V E L T R A N S M I T T E R | O I/ L M T 1 0 0/ 2 0 0 - E N R E V. B
Repeat Step 2-5 to enable and assign input and output values
for other points
IMPORTANT NOTE
At least 2 points must be used, but 2 points will be the same as
standard calibration unless the purpose is to use Volume or
Flow as PV