In Etere ETX Toolbox Player, Playback Controls are spread on the right panel below the Preview Frame.
They allow rewind or fast-forward playback. The rate can be customized by selecting the speed.
The range is from x-10.0 to 10.0.
5471_etere_toolbox_play_controls
Value of rate: 0..4x Description: Smooth, fast forward. All frames are decoded, and the frame rate is corrected.
Value of rate: 4x..10x Description: Hopping fast forward. For example, in the 10x case, there is seeking for each 10th frame.
Value of rate: -10x..0 Description: Hopping backwind. For example, in the -4x case, there is seeking for each 4th frame in the reverse direction of the playback. The rate is rounded to the nearest integer value (e.g., 1.6x equals -2x).