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D-Link DNS-722-4/DNS-726-4 User Manual

Section 1 - Product Overview

Intelligent Playback

1.

Smart Search:

(DNS-726-4 only). Searching through recorded data can be tedious and frustrating. However,

the NVR’s smart search function makes detecting notable events effortless. By selecting a target area on the

video and setting search sensitivity, the smart search will traverse the video database based on specified

search criteria to locate noteworthy events. Search criteria include options such as motion detection, missing

or abandoned object, lost focus or camera occlusion.

2.

Multiple Channel Playback:

Multiple channels can be selected for playback or monitored live.

3.

Quad View:

The DNS-726-4 supports 4 channel simultaneous playback and the DNS-722-4 supports 1 channel

playback.

4.

AVI/ASF Outputs:

During playback, if a user uncovers video that needs to be exported, two formats are

available. The AVI and ASF format will transpose a timestamp on the exported video.

5.

Playback Speed Control:

Playback speed control allows for up to 16x speed fast forward or reverse play.

The step playback option displays one frame at a time.

6.

Video Enhancement:

Users can enhance the recorded video with controls such as brightness, contrast, and

sharpness.

7.

Print Picture:

If a printer is connected to the user’s PC, the NVR can also print the selected still image.

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D-Link DNS-722-4/DNS-726-4 User Manual

Section 1 - Product Overview

Hardware Overview

Front View

Power Button:

Press once to power on the NVR. Press and hold the button until the LED begins to blink to power down the NVR.

Drive LEDs:

These LEDs will be solid BLUE when the drives are connected but inactive. The LEDs will blink when the drives are

being accessed, formatted or synchronized. They will illuminate AMBER if a drive has failed.

Activity LED:

The LED will be solid BLUE when there is an Ethernet connection. It will blink to indicate LAN traffic.

Power Button

Drive LED

Drive LED

Network Activity LED

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D-Link DNS-722-4/DNS-726-4 User Manual

Section 1 - Product Overview

Bottom View

Key lock

Key lock:

Use this lock to secure the front panel of the NVR.

The panel can be unlocked with the provided key for initial installation.

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D-Link DNS-722-4/DNS-726-4 User Manual

Section 1 - Product Overview

Power Receptacle:

The supplied power adapter connects here.

Gigabit Ethernet Port:

The Gigabit Ethernet port connects the NVR to a network.

Drive Eject Lever:

Use these levers to eject the hard drives. The front panel

must be removed before ejecting the drives. Make sure to

reset the ejector before installing the new hard drive.

Reset Button:

A pinhole button located beside the Ethernet socket is used

to reset the system or restore the factory default settings.

To reset, simply press and hold the button until the power

LED flashes.

Rear Panel (Connections)

Drive Eject Lever

Drive Eject Lever

Cable Holder

Power Receptacle

Fan

Security Cable Slot

USB Connector

Reset Button

Gigabit Ethernet Port

USB Connector:

A UPS can be used as an emergency power supply for

the NVR. The UPS can use the USB interface to notify the

NVR to perform a proper shutdown before battery power

runs out.

Security Cable Slot:

An external lock can be affixed to this slot to prevent theft.

Fan:

The NVR will adjust the system temperature automatically

by turning the fan on/off.

Cable Holder:

Holds the power cable to ensure a safe operating

environment.

Note: After resetting the unit, you will still be able to access the recorded data on

your hard drives.

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D-Link DNS-722-4/DNS-726-4 User Manual

Section 2 - Installation

Hardware Installation

Install the Hard Drives:

1.

Please install at least one 3.5” SATA hard drive before turning

on the NVR. Use the key to unlock the faceplate from the bottom

of the NVR.

2. Slide the faceplate up until it unlatches from the device.

Install New Hard Disk Drive