How to Play recordings at high speed (2x - 4x - 8x) on Dahua DVR ?

[spe99 0]

HI,

Is it possible to Play recordings at high speed (2x - 4x - 8x) on Dahua DVRwhen I watch the recordings on a PC ?

I'm tried with Firefox and Edge and I don't see the buttons for fast playback.

I only have this (see attached picture)

Am i doing something wrong?

Thanks for help.