Canon PowerShot SX70 HS Digital Camera - Manual (Page 208)

z Customizing Buttons
Customize functions of buttons, such as the shutter button.
[
] (AE lock button) and [ ] (Framing Assist – Lock button) settings apply
to / / / / / / modes.
[ ] (shutter button half-press) and [ ] (movie recording button) settings
apply to / / / / / modes.
1
[C.Fn II:Others Custom Controls]
2
Choose a button.
3
Choose a function.
208