Thermo Scientific 48iQ Instruction Manual page 74

Operation
Settings
3-46 48iQ Instruction Manual
Span Check Offset: Displays concentration based on the last
●
attempted span calibration. High alarm shows user defined limit for
acceptable span check offset (compared to the span concentration
value). Span concentration shows span setpoint.
Note If both the low alarm and high alarms are set to zero, then no alarm
will show. ▲
Thermo Scientific