DVR systems NVR60xx Series - Manual (Page 18)

Double press the button to switch the main and auxiliary output.
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Control
Buttons
DIRECTION
In menu mode, the direction buttons are used to navigate
between different fields and items and select setting parameters.
In playback mode, the Up and Down buttons are used to speed
up and slow down record playing, and the Left and Right buttons
are used to move the recording 30s forwards or backwards.
In the image setting interface, the up and down button can adjust
the level bar of the image parameters.
In live view mode, these buttons can be used to switch channels.
ENTER
The Enter button is used to confirm selection in menu mode; or
used to check checkbox fields and ON/OFF switch.
In playback mode, it can be used to play or pause the video.
In single-frame play mode, pressing the Enter button will play
the video by a single frame.
And in auto sequence view mode, the buttons can be used to
pause or resume auto sequence.
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