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Qvis DVR User Manual

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© Copyright Qvis ®. All documentation rights reserved.
41
After the device has accessed the Internet, the NTP server can use the standard NTP
server to obtain the time. Input the IP address and domain name of relative server at
NTP setting.
Activate NTP, click to choose “Enable”.
The range for changing the time is 1 to 65535 minutes.
4.3.2 Intranet Configuration
If the DVR works whilst running with the intranet, users can set up a privately-owned
server as clock source. The NTP address in DVR configuration will fill in privately-
owned NTP address that work.
A Privately-owned NTP server can adopt standard NTP products, which means it can
use PC workstations to check for the correct time. Please refer to instructions below
when adopting a PC system as a NTP server.
NTP Server Set Up under Windows
1. “Start” menu → “Run” (or Win+R), input “regedit” to get into REGEDIT.
2. Build a new key assignment of the DWORD Value below.
3. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\P
arameters registry sub key;
4. Change the value to 1, and save.
5. Restart the computer.
4.4 Voice Intercom
4.4.1 Summarise
Embedded DVR Bidirectional Talk: user can talk to remote client software or Web via
the DVR audio input and output ports. User can also listen to the voice from the Client
Software and the WEB via the DVR audio output ports.
There are two types of bidirectional talk; sharing and standalone.

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Qvis DVR Specifications

General IconGeneral
Video InputBNC
Audio InputRCA
Audio OutputRCA
Hard Drive SupportSATA
Network InterfaceRJ45
USB InterfaceUSB 2.0
Video CompressionH.264
Operating SystemEmbedded Linux
Power Supply12V DC
Video OutputHDMI, VGA
Recording Resolution1080p
Channels4, 8, 16
Hard Drive CapacityUp to 6TB
Remote ViewingYes

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