Video saved by SD card compatible video recorder handled by our company is AVI system.
You can take in that movie to PC and operate fast forwarding etc using software separately.
You can also change playback speed, fast forward, rewind, playback speed in Windows Media Player and with GOM PLAYER (free software). You can also play, fast forward, rewind and change the playback speed as well as frame advance too.
Please contact technical support for details.
Do you have any software that can play / fast forward / rewind / frame forward / slow play an saved AVI file using video microscope?