EverFocus DVR EDR810M - Manual (Page 84)

(3) Fast Forward/Reverse Playback
While in playback, turn the Shuttle dial clockwise to begin fast forward
playback.
Turn the Shuttle dial counterclockwise to begin fast reverse playback.
The speed will be shown on the status bar of the bottom screen.
The available speeds are 2, 4, 6, 8, 16, 32, and 600. You can either manually
hold the shuttle dial in the position or press ENTER while holding the dial
to lock the speed that is desired.
Press PLAY again to return normal play speed.
(4) Slow Forward/Reverse Playback
During playback mode, press PAUSE key to freeze the playing back
picture.
Turn the Shuttle dial clockwise to begin slow forward playback.
Turn the Shuttle dial counterclockwise to begin slow reverse playback.
The speed will show on the status bar of the bottom screen.
The available speeds are 1/2, 1/4, 1/8, 1/16, and 1/32. You can either
manually hold the shuttle dial in the position or press ENTER while
holding the dial to lock the speed that is desired.
PLAY
PAUSE