Canon EOS Rebel SL2 Basic Instruction Manual page 60

d Operating the Camera with Touch Screen
Drag
Sample Screen (Menu screen)
Sample Screen (Scale display)
Operations possible by dragging your finger on the screen
Selecting a menu tab or item after pressing the <M> button
Setting with scale display
Quick Control
Selecting AF points
Setting functions in Live View shooting and movie shooting
Playback operations
58
Slide your finger while touching the
LCD monitor.