Q-See QC40198 User Manual page 19

CONTROLS
6 Confirm /menu key
7 Cancel
8 Direction keys
9 Forward
10 Previous
11 Backward
12 Stop
13 Next
14 Slow play
15 Play/Pause
16 Fast play
go to default button
go to the menu
Go back to previous menu or cancel current operation
(close upper interface or control)
In playback mode, it goes to real-time monitor mode.
Switch current activated control, go to left or right.
In playback mode, it is to control the playback process
bar.
Aux function(such as switch the PTZ menu)
Various forward speeds and normal speed playback.
In playback mode, playback the previous video.
Various backward speeds and normal speed playback.
In playback mode, stop current playback.
In playback mode, playback the next video.
Multiple slow play speeds or normal playback.
Reverse playback or paused mode, click this button to
realize normal playback.
In normal playback click this button to pause playback.
In pause mode, click this button to resume playback.
In real-time monitor mode, click this button to enter
video search menu.
Various fast speeds and normal playback.
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QC40198 User Manual