To assign roles to the function buttons, press and hold the [DISP/BACK] button until the menu below is displayed. Select buttons to choose their roles.
The options available include:
To disable the selected button, choose [NONE].
You can also display options for any of the function buttons by pressing and holding the button. This does not apply to buttons to which [FOCUS CHECK], [AE LOCK ONLY], [AF LOCK ONLY], or [AE/AF LOCK] are currently assigned.
The roles played by the six function buttons can also be selected using [BUTTON/DIAL SETTING] > [FUNCTION (Fn) SETTING].
If [TTL-LOCK] is selected, you can press the control to lock flash output according to the option selected for [FLASH SETTING] > [TTL-LOCK MODE].
If [MODELING FLASH] is selected when a compatible shoe-mounted flash unit is attached, you can press the control to test-fire the flash and check for shadows and the like (modeling flash).