User`s manual

3.11
Setting Exposure Time
AUTO EXPOSE VIDEO LEVEL
Sets the target video level for the auto expose function. Video level ranges from
0 at black to 127 for white.
Type In: Response Explanation
SET xxx CR-LF Sets the target video level to xxx with a range
between 0 and 127.
SET? Queries the camera for the current target video level.
SET xxx Means that the target video level is set as indicated.
AUTO EXPOSE VERTICAL ADDRESS
Sets the vertical location of the top edge of the 256 rows high exposure window.
The auto expose function samples every other row so the image heighth becomes
242, and the exposure window becomes 128 high. The default value of 55 places
the exposure window near the center of the image, top to bottom.
Type In: Response Explanation
AXY yyy CR-LF Sets the vertical row address for the upper left corner
of the exposure window. The default value is 55 and
the range of values is from 1 to 114.
AXY? Queries the camera for the current sample box
vertical location.
AXY yyy Where yyy is the auto expose vertical address.
Auto
Exposure
Window
55 row pairs
128 row pairs
59 row pairs
242 row pairs
Actual picture height
is 484 rows. Auto
Exposure uses every
other row when
positioning the Auto
Exposure Window
for a row pair count
of 242.
255 pixels 128 pixels 265 pixels
648 pixels