Advantech Data Acquisition Modules ADAM 4000 User Manual page 328

Calibration
4. Execute the Span Calibration command. This can be done through
the ADAM utility software. (Please see "A/O 10 V Calibration"
option in the Calibration sub-menu of the ADAM utility software.)
5. Check the actual output value at the terminals. If this does not equal
0 V or 10 V, use the Trim Calibration command to change the
output value. This is done through the ADAM utility software.
(Use the arrow key to adjust the output value after executing the
"A/O 0V Calibration" or "A/O 10 V Calibration". Right and Up
keys mean increasing, and Left and Down keys mean decreasing).
8-16 ADAM 4000 Series User's Manual
Figure 8-9 Span Calibration