When you have an image displayed using , you can use the following keys or the  window to control the display.
         
            
               
                  
                  
                  
               
               
                  | Windows/Linux | Mac OS X | Action | 
               
                  | a |  |  Displays the alpha bitplane channel in an image. | 
               
                  | b | b |  Displays the blue bitplane channel in an image. | 
               
                  | c | c |  Displays an image by combining the color values contained in the three RGB planes.  | 
               
                  | f |  |  Switches between single and double buffer mode. Default mode depends on machine’s graphics card. | 
               
                  | g | g |  Displays the green bitplane channel in an image. | 
               
                  | k |  |  Turns on and off Kodak Cineon correction. | 
               
                  | m |  |  Displays the mask in an image. | 
               
                  | p |  | Prints out the current luminance, gamma, and saturation values. | 
               
                  |  | p |  Displays the alpha bitplane channel. | 
               
                  | r | r |  Displays the red bitplane channel in an image. | 
               
                  | x | x |  Displays the negative. | 
               
                  |  + x |  |  Reverses the mask displayed from using “x”. | 
               
                  | z |  |  Displays the Z-depth information in gray levels. | 
               
                  |  + z |  |  Displays the logarithm of the Z-depth values. | 
               
                  | F5 |  |  Toggles on and off a cross-hair cursor and tracking while in tracking mode.  | 
               
                  | F6 |  |  Displays all tracking points made in the same window  started from.
                      | 
               
                  |  + F6 |  | Writes a composer curve. | 
               
                  | F8 |  |  Turns luminance curve on and off.  | 
               
                  | F12 |  | Displays the borders of image tiles.  | 
               
                  |  Use the numeric pad keys for the following  
                      |  |  | 
               
                  | 0 | 0 |  Zooms in. | 
               
                  | . (numpad period) | . (numpad period) |  Zooms out. | 
               
                  | 1 to 9 | 1 to 9 | Press the number between 1 and 9 to scroll over the current image. To scroll faster, press Shift and Alt in combination with
                        the number.
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