Q-See QSNDVR16M User Manual page 24

10 Search button: Press this button to enter to recording search page
11
Move Up
12 Move Left
13 Move Right
14 Move Down
15 SR is for Reverse when the DVR plays record while SF is for Forward
16 Change the channel one by one, "-" is used to change the channel from
16 to 1, and "+" is for changing the channel from 1 to 16
17 Fast reverse (There are seven speed options to choose: 2X, 4X, 8X,
16X, 32X, 64X, 128X )
18 Play
19 Fast forward (There are seven speed options to choose: 2X, 4X, 8X,
16X, 32X, 64X, 128X )
20 Stop
21 Zoom/Focus control
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