The comparison tool’s primary input is connected to the output that the viewer would be showing without the comparison tool. The reference input is set to current composition and has all of the display options available in the normal player. They are tool input/output, composition, and context points 1 - 4. These options can be changed by using the context menu Reference sub menu in the player. The display options in this menu refer to those of the reference input.
Hotkeys to switch the display options (1-8) will affect either the primary or reference input depending on which side of the manipulator the hotkey event takes place. The player information will indicate what sources are being shown for the primary and reference inputs—see Cycling Through Inputs and Outputs.
