Spectral Instruments Series 800, User Manual, Page: 27 / 70

Spectral Instruments
Pt # 2500- 27
to overscan some representative CCDs. The illustration shows you how to relate each
of the tabulated parameters to the image read from the camera.
Figure 7, below, shows an image from a warm camera displayed with SI Image and the
plot for a column near the center of the image overlaying the image.
Figure 7.
Camera Image Showing Overscan
The serial register is on the left hand side of the image. The first pixel read is displayed
at the lower left hand corner and the readout progresses up rows starting with the first
row at the left and progressing to the last row that is displayed on the right hand side of
the image. The image is darker on the left and brighter on the right. The column plot
shows the “ramp” of increasing dark signal with time. Because of the slow-scan