Using Touch Function; Touch Operation; Touch Panel/Pad - Sony a9 Instruction Manual

Using touch function

Touch Operation

Sets whether to activate or not the touch operation of the monitor.
MENU 
On: Activates the touch operation.
Off: Deactivates the touch operation.

Touch Panel/Pad

Touch operations when shooting with the monitor are referred to as
"touch panel operations," and touch operations when shooting with
the viewfinder are referred to as "touch pad operations." You can select
whether to activate touch panel operations or touch pad operations.
MENU 
Touch Panel+Pad: Activates both the touch panel operations when
shooting with the monitor and touch pad operations when shooting
with the viewfinder.
Touch Panel Only: Activates only the touch panel operations when
shooting with the monitor.
Touch Pad Only: Activates only the touch pad operations when shooting
with the viewfinder.
GB
90
(Setup)  [Touch Operation]  desired setting.
(Setup)  [Touch Panel/Pad]  desired setting.