Sony SRPC-1 Operation Manual page 76

Example of quick motion
The following example illustrates shooting at 23.98PsF,
recording at 4FRM (4-frame intervals) with frames
thinned out using the Interval Frame function, and
playback at 23.98PsF.
When video shot at 24 frames/second (FPS) is recorded at
4-frame intervals (4FRM) with other frames thinned out
Shooting: 1080/23.98PsF
HDC-1500
76
6-1 SR Motion
Transfer
24 FPS
SRW-1+SRPC-1 (with HKSR-102 installed)
(24/4 = 6 FPS recording) and played back at 24 FPS on this
unit, it is played back in quick motion at 24/6 = 4 times
normal playback speed. The recorded tape can be used for
editing or other post-processing in 1080/23.98PsF format.
Recording: 1080/23.98PsF (4FRM)
Interval Frame recording at 4-
frame intervals with other frames
thinned out (6 FPS recording)
Target frame frequency
23.98PsF
Playback: 1080/23.98PsF
Review: 1080/23.98PsF
Quick motion playback at 4
times normal playback speed
24 FPS
SRW-5000
HD DIGITAL VIDEO CASSETTE RECORDER
SRW-5000/5500