Canon EOS-1D X Mark II DSLR Camera (Body Only) - Manual (Page 85)

85
When [ z Help ] is displayed at the bottom of the menu screen, the
feature’s description (Help) can be displayed. The Help screen is
displayed only while you hold down the <
B > button. If the Help fills
more than one screen, a scroll bar will appear on the right edge. To
scroll, hold down the <
B > button and turn the < 5 > dial.
Example: [ 2 1: Case 2]
Example: [ 2 4: Orientation linked AF point]
Example: [ 8 6: Multi function lock]
Help
B
Î
Scroll bar
B
Î
B
О