Sony ILCA-99M2 - Manual (Page 27)

To change the assigned function
You can change the assigned function by pressing and holding the button on the front multi-
controller.
The assigned function can also be changed by selecting MENU
→
(Camera Settings2)
→
[Custom Key(Shoot.)]
→ [
Front Multi Ctrl.] or [ Front Multi Ctrl.].
Functions that can be assigned
Focus Mode
Focus Area
Select Focus Area
Shutter Speed
Aperture
Exposure Comp.
ISO
Metering Mode
White Balance
Creative Style
Picture Effect
Audio Rec Level (only in movie mode)
Hint
You can change the clicking pressure of the front multi-controller using the click switch. By setting
the click switch to “OFF,” you can change the setting silently during movie recording.
Select the desired setting by turning the front multi-controller. 2
Press the button on the front multi-controller to enter the selection. 3