Panasonic LUMIX DC-TZ90 Operating Instructions For Advanced Features page 156

Pan or zoom while recording with the camera in a fixed position [4K Live Cropping]
■
Changing the position and size of a crop frame
Press [Fn1] button while the recording screen is displayed, and perform steps
■
To cancel [4K Live Cropping] recording
Set [OFF] in step
●
The angle of view narrows.
●
[4K Live Cropping] recording cannot be performed when [High Speed Video] is set.
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Focus is adjusted and fixed in the crop start frame.
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[Continuous AF] is set to [OFF].
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[Metering Mode] will be [
156
2
.
] (Multi Metering).
Recording motion pictures
3
and
4
.
DVQP1304