When you have an image displayed using FCheck, you can use the following keys or the FCheck Info window to control the display.
|  
				   
				   Windows/Linux  | 
Action | 
|---|---|
| a |  
				   Displays the alpha bitplane channel in an image.  | 
| b |  
				   Displays the blue bitplane channel in an image.  | 
| 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 |  
				   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.  | 
|  
				   Displays the alpha bitplane channel.  | 
|
| r |  
				   Displays the red bitplane channel in an image.  | 
|  
				   x  | 
 
				   Displays the negative.  | 
|  
				   
				   | 
 
				   Reverses the mask displayed from using “x”.  | 
| z |  
				   Displays the Z-depth information in gray levels.  | 
|  
				   
				   | 
 
				   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 FCheck started from.  | 
|  
				   
				   | 
 
				   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 |  
				   Zooms in.  | 
| . (numpad period) |  
				   Zooms out.  | 
| 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.  |