Canon PowerShot SX400 IS Black Manual (en)

Choose a menu item.
Press the [
] buttons to 
choose a menu item.
For menu items with options 
not shown, first press the [ ] or 
[ ] button to switch screens, and 
then press the [
] buttons to 
select the menu item.
To return to the previous screen, 
press the [
] button.
Choose an option.
Press the [ ][ ] buttons to 
choose an option.
Finish the setup process.
Press the [
] button to 
return to the screen displayed 
before you pressed the [
button in step 1.
To undo any accidental setting changes, you can restore the 
camera’s default settings (= 177).