Edimax Technology NVR-4 manual Will become inaccurate when you need to review them, Snapshot

Item	Description
Time & Date	Displays current date and time. If the date and/or time is
	incorrect, please correct it or the data recorded by this NVR
	will become inaccurate when you need to review them.
	You can correct date and time by System setup -> General ->
	Time Setup menu.
Pan & Tilt	Controls the pan and tilt of remote IP cameras. Please note
	that not every camera supports pan and tilt control, nothing
	will happen when you try to control pan and tilt on these
	cameras.
	To move camera left, right, up, and down, just click on
	corresponding button. To re-position the camera back to its
	‘Home’ position (i.e. starting position), click the black circle
	button	in the center of pan and tilt control.
Single/Quad Display	To view the video of a certain camera only, click			button.
	To view the video of four cameras simultaneously, click
	button.
Camera Select	Click on the dropdown menu		to select a certain camera
	to view from all of the cameras. To get the camera’s IP
	address, you can move the move and stop on this icon:
Connect	Connect to selected IP camera and start playing video.
Disconnect	Disconnect from connected IP camera and stop playing video.
Snapshot	Take an image snapshot of current video stream. You will be
	prompted to input the directory where you wish to save the
	snapshot file.
Record	Start recording current video stream and save to a video file.
	You will be prompted to input the directory where you wish to
	save the video file.
Digital Zoom	Enable digital zoom to enlarge video from camera, so you can
	see some certain objects in detail.
Fit the window size	Display the video streams original size or fit the window size.

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