Panasonic LUMIX DMC-LX9 Operating Instructions For Advanced Features page 190

[AF/AE Lock Hold]
Focus and exposure stays locked even if you press and release the function button where
[AF/AE LOCK] is registered. Press the button again to cancel the lock.
[Shutter AF]
Set whether or not the focus is adjusted automatically when the shutter button is pressed
halfway.
[Half Press Release]
The shutter will immediately fire when the shutter button is pressed halfway.
[Quick AF]
The focus is automatically adjusted when camera blurring is small even when the shutter
button is not pressed. (Increases battery consumption).
●
This function is not available in the following cases:
• Preview Mode
• When the lighting is low
[Pinpoint AF Time]
Sets the time for which the screen is enlarged when the shutter button is pressed halfway
with Auto Focus Mode set to [
[Pinpoint AF Display]
Sets whether to display the assist screen that appears when Auto Focus Mode is set to
[ ] in a window or full screen.
190
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Using Menu Functions
Menu list
→ [Custom]
SQW0740