Dalsa Piranha 2 Series User Manual

33 Piranha 2 User’s Manual
03-032-00493-14 Teledyne DALSA
Subtracting Offset in Calibrated Mode
To subtract the A/ D offset from the video signal in calibrated mode only (svm 1), prior to
the PRNU correction, use the command:
Syntax:
sdo t i
Syntax Elements:
t
Tap selection. Allowable range is 1 to 4, or 0 for all taps.
i
Subtracted offset value in a range from 0 to 511.
Notes:
 When subtracting a digital value from the digital video
signal, the output can no longer reach its maximum. Use the
ssg command to correct for this. See section 3.13 Setting
Gains for details on the ssg command.
 Available in calibrated mode only (svm 1).
Example:
sdo 0 100
Calibrating Offset
To calibrate the analog offset, use the command:
Syntax:
cao t i
Syntax Elements:
t
Tap selection. Allowable range is 1 to 4, or 0 for all taps.
i
The line average in a range dependent on the current
camera data mode setting.
8 bit: 1 to 100DN
10 bit: 4 to 400DN
See section 3.11 Returning Video Information for more
information on line averages
Notes:
This command sets offset in uncalibrated mode (svm 0).
Example:
cao 0 100
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Dalsa Piranha 2 Series Specifications

General

Brand	Dalsa
Model	Piranha 2 Series
Category	Security Camera
Language	English