Nac HotShot User Manual page 34

7. A yellow square will now indicate the pixels being looked at in the grid, and
the grid will update to view the pixel's values. The centre x and y position is
the pixel that was click on the images, and the co-ordinates are stored in the
edit boxes above.
The grid will keep updates as long as its window is open, closing the window will
stop displaying the pixel's values.
There is another option in the Pixel Peak box, 'Whole Image Size'. If this option is
select the drop down box is disabled. Then click the 'Pixel Peak' button will open
another window and fill the grid with the whole images pixel's values.
Note if the image size is big, filling the grid may take some time.
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