ARRI ARRIFLEX 416 - Manual (Page 97)

10.3.6 Flicker free on/off
Flicker free can be switched off to bypass the digital frame
store and have the video assist output with no delay.
The typical running speed for the film camera is different to
that of the video assist. e.g. the film camera runs at 24 fps
and the video assist at 25 fps for PAL or 30 fps for NTSC.
Without flicker processing this speed difference causes
varying brightness between successive individual video
images. To eliminate this so called flicker, video images are
stored at the speed of the film camera into the video frame
storage and recalled in the speed of the video system. This
storage might cause a slight delay, which is not desirable
in some time-crucial conditions, e.g. motion control or
shooting of a pop video. Therefore it is possible to switch
the flicker free system off. This will eliminate the delay.
However, flicker will occur in this mode.
Using the Keypad
• By pressing the FF key Î the flicker free mode alters
between on and off. An LED illuminates to show flicker
free (FF) is set to on a photo .
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