shutter_subtraction_mode in Shutter_​Subtraction

Name: shutter_subtraction_modeVersion Id:
Description: The shutter_subtraction_mode specifies whether shutter subtraction will be performed, or if it is dependent on the exposure_duration_threshold_count.
Namespace Id: imgSteward: imgClass Name: Shutter_​SubtractionType: ASCII_​Short_​String_​Collapsed
Minimum Value: NoneMaximum Value: NoneMinimum Characters: 1Maximum Characters: 255
Unit of Measure Type: NoneDefault Unit Id: NoneAttribute Concept: NoneConceptual Domain: SHORT_STRING
Status: ActiveNillable: falsePattern: None
Permissible Value(s)ValueValue Meaning
 AlwaysAlways indicates the subtraction is, or will be, on regardless of other conditions
 Conditionalthe exposure_duration_threshold_count will determine whether or not shutter subtraction will be performed
 Noneshutter subtraction was not used
 Trueshutter subtraction will be performed