[HDMI RAW Data Output] can be registered to the Fn buttons

[MENU/SET] arrow_menu [menuicon_custom] arrow_menu [menuicon_operation] arrow_menu [Fn Button Set] arrow_menu Select [Setting in REC mode]

[1] tab

menuicon_imageformat [Image Format]

[HDMI RAW Data Output]

The menu screen stops being output via HDMI when the [HDMI RAW Data Output] is set to [ON]. Due to this, it is recommended to assign [HDMI RAW Data Output] to a Fn button when you record RAW video by connecting to an external device using HDMI only.
[HDMI RAW Data Output] can also be set to [OFF] with the following method:
Pressing [MENU/SET], [Q.MENU], and [Fn3] at the same time. ([Info Display (HDMI/SDI)] is switched to [AUTO].)