Sony ILCE-7C Help Manual page 525

Help Guide
Interchangeable Lens Digital Camera
ILCE-7C
α7C
Dial/Wheel Setup
You can switch the functions of the control dial and the control wheel.
MENU → (Camera Settings2) → [Dial/Wheel Setup] → desired setting.
1
Menu item details
SS F/no.:
You can change the shutter speed using the control wheel, and change the aperture value using the control dial.
F/no. SS:
You can change the aperture value using the control wheel, and change the shutter speed using the control dial.
Note
[Dial/Wheel Setup] is enabled when the shooting mode is set to "M."
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