User`s manual

Spyder3 S3-14 and S3-24 User's Manual 67
Teledyne DALSA 03-032-20117-00
Returning Video Information
The camera’s m icrocontroller has the ability to read vid eo d ata. This fu nctionality can be u sed to verify
camera operation and to perform basic testing without having to conn ect the camera to a frame grabber.
This information can also be used to collect line statistics for calibrating the camera.
Returning a Single Line of Video
Returns a complete line of video (without pixel coefficients applied) displaying one pixel value after another. After
pixel values have been displayed it also displays the minimum, maximum, and mean value of the line sampled
within the region of interest (the region of interest command is explained in section Setting a Region of Interest
(ROI)).
Use the gl command, or the following gla command, to ensure the proper video input range into the
processing chain before executing any pixel calibration commands.
Camera Link Command
Parameter
Description
Notes
gl x1 x2
x1 Pixel start number. Must be less
than the pixel end number in a range
from 1 to sensor resolution.
x2 Pixel end number. Must be greater
than the pixel start number in a range
from 2 to sensor resolution.
 If x2

x1 then x2 is forced to be x1.
Values returned are in 12-bit DN.
Example
gl 10 20