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You can fast-forward/fast-rewind  rewind and change playback direction (forward/back).

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For reverse playback of a recording, move the slider to the left of the position corresponding to zero playback speed (the center of the slider); for forward playback, move it to the right. The current playback speed is displayed under the slider. During forward playback of a recording, a + Image Added sign appears before the speed; during reverse playback, a - Image Added sign appears. The value 0X corresponds to zero speed, i.e., no playback; the value 1X corresponds to the frame rate of recording.

Tp speed up playback by one step, click + Image Added. To slow down by one step, click - Image Added. To temporarily change the playback speed, move the slider in the desired direction. 

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1. Accelerate playback N-fold:.
2. Click the value of the current playback speed below the slider. 

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