Panasonic AG-UX90 Operating Instructions Manual page 90

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Flash band compensation
≥ Register "Flash band compensation" to a USER button.
If you set this item to [ON], you can compensate for and reduce flash band, a phenomenon that
creates markedly different levels of luminance between the top and bottom of the image when
recording is performed in an environment where another camera is firing its flash.
≥ FBC appears on the screen.
A Time flow
B Image recorded
C Flash firing
D Flash band
∫ Note on the use of the Flash Band Compensation function
Regardless of whether a flash is fired or not, the Flash Band Compensation function is activated
whenever an external light source drastically changes the brightness of the lower half of the screen.
The function, as a result, may be activated in recording situations such as when you zoom in or out
on a bright window. We recommend using the function in recording situations where flashes are
expected to be fired.
Please note that the Flash Band Compensation function may not produce an adequate effect in
certain recording situations even when a flash is fired.
≥ The phenomena below may occur when a flash is fired. These are caused by the Flash Band
Compensation function and are not malfunctions.
j Moving subjects appear as if they have stopped for an instant
j The resolution deteriorates when a flash is fired.
j Horizontal lines appear in the image when a flash is fired.
≥ This function is not available in the following cases:
j When the frame rate in [REC FORMAT] is 25.00p
j When using [DIGITAL ZOOM]
j During Freeze Frame
j In Variable Frame Rate Mode
j In Low Light mode
≥ The setting will be turned off in the following cases:
j If you turn the unit off
j If you press the THUMBNAIL button
j When [USB MODE SELECT] is set to [DEVICE] and this unit is connected to a PC.
≥ This will fix the shutter speed to 1/50. The shutter speed cannot be adjusted.
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