I have a Hikvision 7616NI-K2/16P with firmware 3.4.98 build 171121. Connected cameras are Hikvision 5.1MP IP bullets.
I have the latest manual I could find from the download portal. (Baseline_User Manual of Network Video Recorder_V3.4.92_20170207.pdf)
I select Menu>Playback, select a camera,date...