Here is a list of controls for The Electric Lantern Show by Pride Utilities.

cursor keys - scroll picture
CTRL+cursor up - zoom in
CTRL+cursor down - invert screen
CTRL+cursor left - divide screen into four smaller screens
CTRL+cursor right - mirror screen
COPY - reset screen to its original state
CLR - clear area within rectangle
TAB - print screen to printer (this requires the Printer Pac II utility to be
 loaded)
RETURN - return to menu
