Q-See QSD2308L User Manual page 26

STEP3 This unit has full and 4 screen playback. Select the screen display
mode (the boxes under the channels) and the channels.
STEP4 If want to change the date, press Date button. Set hour and
minutes of start time. If there is a recording at that time, the boxes will show
green.
STEP5 Click Play button. It will play from the time point you set.
STEP6 Click the function buttons on the screen to do fast
forward/backward, pause, stop, and change the screen mode and re-search,
See Fig 3.17 Playback.
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QSD2308L/QSD2316L DVR User's Manual
Fig 3.17 Playback