Microscan N2210WZ Owner's Manual page 205

Scanner Parameters
Diagnostics
Note: Output On under Output 1 Parameters must be set to Diagnostic Warning for
this output to function.
Under Output 1 Parameters, expand the Diagnostics tree.
When Diagnostic Warning is enabled, the Output On configuration has no effect. The
output will remain active as long as one of the diagnostic warning conditions is met. The
output will become inactive once it detects that there are no diagnostic warning conditions.
High Temperature
Activates output when the temperature exceeds factory-defined upper limits.
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QX-870 Industrial Raster Scanner User's Manual