Sony a 7 II Mode D'emploi page 44

Using the In-Camera Guide
You can use [Custom Key Settings] to assign In-Camera Guide to the
desired button.
The In-Camera Guide displays explanations for the currently selected menu
function or setting.
MENU button t (Custom Settings) t [Custom Key Settings]
t Select the desired button assigned to the function. t [In-
Camera Guide]
Press the MENU button and use the control wheel to select a MENU item whose
explanation you want to read, and then press the button to which [In-Camera
Guide] is assigned.
GB
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