Canon 10D User Guide (en)

List of Copy Stamp Window Functions 
Operates when you have selected multiple images and the copy 
stamp window is displayed.
Full screen display/returns to normal screen
Sets the size of the dust erasure range 
 or copy range 
 in a range of 5 
to 100 (in one pixel units) (you can also enter a 
numerical value)
Restores/redoes the image
Switches between displayed images
Copies the dust erasure range or copy range 
and applies (pastes) it to another image
Types of dust to be erased 
Applies Dust Delete Data 
Types of stamps 
Specifies the copy source 
Fixes the copy source position