Datacolor CHECK II Quick Start Manual page 25

See Datacolor CHECK II User's Guide for details on the display set
feature.
CHECK II Quick Start Guide
Return/Scroll Button. The silver button in the
center includes three controls:

Press the top button to scroll
forward through the screens
included in the display set.

Return. Press the inside button
to display the last evaluation
screen.

Press the bottom button to scroll
backward through the display set
screens.
Interface Features  21