Canon CXDI-1 Operation Manual page 7

Notation
Notation 1
Buttons that change names when touched are indicated in the text by [Button1]/[Button2].
Example: Two types of gray scale adjustments are available: auto adjustment and REX adjustment, and the type
can be selected using [AUTO ADJUST.]/[REX ADJUST.].
Operation: The REX adjustment screen is displayed when [AUTO ADJUST.] is touched, and the auto adjustment
screen is displayed when [REX ADJUST.] is touched.
Notation 2
Buttons that do not change names when pressed, but switch between normal and highlighted (white character)
displays indicate that a function has been enabled.
Example: Each time you touch [EDGE ENHANCEMENT] the button switches between a highlighted display
(white characters) and a normal display, edge enhancement adjustments are enabled when highlighted.
Operation: When [EDGE ENHANCEMENT] is highlighted (white characters), edge enhancement adjustments are
enabled and can be performed for the image.
[AUTO ADJUST.] (left) and [REX ADJUST.] (right)
Screen appearance when edge enhancement is disabled (left)
and when edge enhancement is enabled (right)