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5.1.14.5 D : Display Calibration Memory
If you enter <D> and a <CR> for “Display”, the contents of the Calibration Memory will be
displayed, starting from address 0000. This memory contains 64k 8-bit words. They are
displayed 320 at a time. To view the next 320, press <D> and <CR> again. To view the
memory starting at an address other than 0000, press <D> followed immediately by the
address. You do not need a <CR>. For example, “D20000”.
The calibration memory is used to sample and hold a scan line received from the cameras.
5.1.14.6 F : Fill Calibration Memory
If you choose <F> for “Fill”, enter the starting address, the ending address, and the two-bit
hexadecimal value you wish to fill the memory, writing over anything already there. You do
not need to enter <CR>. For example, “D1000,2000,DE”.
Press <T> for “Take Line” to place a line from the cameras into the calibration memory.
Press <H> for “Create Histogram” to view a histogram of the pixel values resulting from the
Take Line command. It will show the pixel values and how may of each value were detected.
Press <R> for “Camera Response curve” to view a plot of the pixel value versus its position
along the camera after the execution of the take line command. When you press <R>, you will
be prompted to choose a specific camera. To return to the Calibration Memory Menu, enter
nothing and press <CR> or hit the space bar.
5.1.14.7 T : Take Line
This function puts a line of data from the cameras into the calibration memory for viewing. If
you choose <T> for “Take Line”, the beginning of the line will appear in a 20 by 16 display.
The <D> command ( display calibration memory ) may be used to examine the remainder of
the line. The pixel data placed in the memory includes the dummy pixels at the beginning and
end of each camera. There are 5392 ( 1510 hex ) pixels per camera.