How it Works
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Nvs-34
Instruction manual
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Datavideo Nvs-34 Instruction manual

NVS-34

Table of Contents

FCC COMPLIANCE STATEMENT ................................................................................ 4
WARNINGS AND PRECAUTIONS .............................................................................. 4
WARRANTY ............................................................................................................. 5
STANDARD WARRANTY .................................................................................................. 5
THREE YEAR WARRANTY ................................................................................................ 6
DISPOSAL ................................................................................................................ 6
1 INTRODUCTION ............................................................................................... 7
1.1 FEATURES ....................................................................................................... 7
1.2 SYSTEM DIAGRAM ............................................................................................ 8
2 CONNECTIONS AND CONTROL ........................................................................ 9
2.1 FRONT PANEL .................................................................................................. 9
2.2 REAR PANEL .................................................................................................. 11
3 VIDEO STREAMING ....................................................................................... 13
3.1 STREAMING NETWORK CONNECTION AND DEVICE SEARCH ..................................... 13
3.2 WEB USER INTERFACE ..................................................................................... 16
3.3 OPERATIONS ................................................................................................. 39
3.4 STREAM AND RECORD BUTTONS ....................................................................... 49
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3.5 RESTORING FACTORY DEFAULTS ........................................................................ 51
3.6 FIRMWARE UPDATE ........................................................................................ 52
4 FIRMWARE UPGRADE ................................................................................... 53
5 RECOMMENDED SD CARDS ........................................................................... 56
6 FREQUENTLY-ASKED QUESTIONS .................................................................. 59
7 DIMENSIONS ................................................................................................. 60
8 SPECIFICATIONS ............................................................................................ 61
SERVICE AND SUPPORT ......................................................................................... 64
Disclaimer of Product & Services
The information offered in this instruction manual is intended as a guide only. At all times, Datavideo Technologies will try to give correct, complete and suitable information. However, Datavideo Technologies cannot exclude that some information in this manual, from time to time, may not be correct or may be incomplete. This manual may contain typing errors, omissions or incorrect information. Datavideo Technologies always recommend that you double check the information in this document for accuracy before making any purchase decision or using the product. Datavideo Technologies is not responsible for any omissions or errors, or for any subsequent loss or damage caused by using the information contained within this manual. Further advice on the content of this manual or on the product can be obtained by contacting your local Datavideo Office or dealer.
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FCC Compliance Statement

This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that
may cause undesired operation.

Warnings and Precautions

1. Read all of these warnings and save them for later reference.
2. Follow all warnings and instructions marked on this unit.
3. Unplug this unit from the wall outlet before cleaning. Do not use liquid or
aerosol cleaners. Use a damp cloth for cleaning.
4. Do not use this unit in or near water.
5. Do not place this unit on an unstable cart, stand, or table. The unit may fall,
causing serious damage.
6. Slots and openings on the cabinet top, back, and bottom are provided for
ventilation. To ensure safe and reliable operation of this unit, and to protect it from overheating, do not block or cover these openings. Do not place this unit on a bed, sofa, rug, or similar surface, as the ventilation openings on the bottom of the cabinet will be blocked. This unit should never be placed near or over a heat register or radiator. This unit should not be placed in a built-in installation unless proper ventilation is provided.
7. This product should only be operated from the type of power source indicated
on the marking label of the AC adapter. If you are not sure of the type of power available, consult your Datavideo dealer or your local power company.
8. Do not allow anything to rest on the power cord. Do not locate this unit where
the power cord will be walked on, rolled over, or otherwise stressed.
9. If an extension cord must be used with this unit, make sure that the total of the
ampere ratings on the products plugged into the extension cord do not exceed the extension cord rating.
10. Make sure that the total amperes of all the units that are plugged into a single
wall outlet do not exceed 15 amperes.
11. Never push objects of any kind into this unit through the cabinet ventilation
slots, as they may touch dangerous voltage points or short out parts that could
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result in risk of fire or electric shock. Never spill liquid of any kind onto or into this unit.
12. Except as specifically explained elsewhere in this manual, do not attempt to
service this product yourself. Opening or removing covers that are marked “Do Not Remove” may expose you to dangerous voltage points or other risks, and
will void your warranty. Refer all service issues to qualified service personnel.
13. Unplug this product from the wall outlet and refer to qualified service personnel
under the following conditions: a. When the power cord is damaged or frayed; b. When liquid has spilled into the unit; c. When the product has been exposed to rain or water; d. When the product does not operate normally under normal operating
conditions. Adjust only those controls that are covered by the operating instructions in this manual; improper adjustment of other controls may result in damage to the unit and may often require extensive work by a qualified technician to restore the unit to normal operation;
e. When the product has been dropped or the cabinet has been damaged; f. When the product exhibits a distinct change in performance, indicating a
need for service.

Warranty

Standard Warranty

Datavideo equipment are guaranteed against any manufacturing defects for one
year from the date of purchase.
The original purchase invoice or other documentary evidence should be supplied
at the time of any request for repair under warranty.
The product warranty period beings on the purchase date. If the purchase date
is unknown, the product warranty period begins on the thirtieth day after shipment from a Datavideo office.
All non-Datavideo manufactured products (product without Datavideo logo)
have only one year warranty from the date of purchase.
Damage caused by accident, misuse, unauthorized repairs, sand, grit or water is
not covered under warranty.
Viruses and malware infections on the computer systems are not covered under
warranty.
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Any errors that are caused by unauthorized third-party software installations,
which are not required by our computer systems, are not covered under warranty.
All mail or transportation costs including insurance are at the expense of the
owner.
All other claims of any nature are not covered. All accessories including headphones, cables, and batteries are not covered
under warranty.
Warranty only valid in the country or region of purchase. Your statutory rights are not affected.

Three Year Warranty

All Datavideo products purchased after July 1st, 2017 are
qualified for a free two years extension to the standard warranty, providing the product is registered with Datavideo within 30 days of purchase.
Certain parts with limited lifetime expectancy such as LCD panels, DVD drives,
Hard Drive, Solid State Drive, SD Card, USB Thumb Drive, Lighting, Camera module, PCIe Card are covered for 1 year.
The three-year warranty must be registered on Datavideo's official website or
with your local Datavideo office or one of its authorized distributors within 30 days of purchase.

Disposal

For EU Customers only - WEEE Marking
This symbol on the product or on its packaging indicates that this product must not be disposed of with your other household waste. Instead, it is your responsibility to dispose of your waste equipment by handing it over to a designated collection point for
the recycling of waste electrical and electronic equipment. The separate collection and recycling of your waste equipment at the time of disposal will help to conserve natural resources and ensure that it is recycled in a manner that protects human health and the environment. For more information about where you can drop off your waste equipment for recycling, please contact your local city office, your household waste disposal service or the shop where you purchased the product.
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1 Introduction

The Datavideo NVS-34 is a video streaming server designed for various network environments, offering you multiple bitrate settings as well as the flexibility of streaming and recording either individually or simultaneously.
From any SDI/HDMI input sources, the Datavideo’s video streaming server generates an H.264 encoded stream that is compliant with RTSP or RTMP(S) protocols. Additionally, you can also connect an external RCA Unbalanced Audio source to the NVS-34.
While encoding the video at bitrates appropriate for live streaming, the Datavideo NVS-34 concurrently records a high-quality MP4 file to an SD card formatted to NTFS or FAT32 file system.

1.1 Features

Major Five Features
Simultaneous H.264 video streaming and recording at multiple bitrates Supports FAT32 and NTFS file format for continuous footage recording Selectable audio sources such as SDI/HDMI embedded audio, external RCA
unbalanced audio and both
Supports multilingual web based control interface (English, Traditional Chinese
and Simplified Chinese)
Bicolor LEDs for status indication
Supported Input Formats
1080p@23.98/24/25/29.97/30/50/59.94/60 fps 1080i@50/59.94/60 fps 720p@50/59.94/60 fps 480i@59.94 fps 576i@50 fps
Operating System and Web Browser for the Web UI
Operating Systems
- Microsoft Windows 8.1 (64-bit)
- Microsoft Windows 10 (64-bit)
Web Browsers
- Microsoft Internet Explorer
- Microsoft Edge
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- Google Chrome
Streaming
Video streaming protocols are RTSP, RTMP, RTMPS, TS, and HLS supported by the
following:
- Adobe Media Server and Wowza Media Server.
- Video Players such as VLC.
- Content Delivery Networks such as Youtube Live.
Recording
Records MP4 or TS file to an SD card formatted to NTFS or FAT32 file system.

1.2 System Diagram

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2 Connections and Control

Power Switch
Turn on/off the device.
SD Card Slot
The SD Card Slot allows insertion of an SD Card for video recording.
INPUT Button
Press the INPUT button to select between SDI and HDMI input sources. The button is always in solid white.
The activated input source will be indicated by the corresponding LED.
Green: Input source activated Off: Input source deactivated
Note: The Input button is disabled while streaming or recording is in progress.
BITRATE Button
Switch the stream/record bitrate mode using the BITRATE button; follow the steps outlined below:
In this section, we will show you how you can operate the device as well as the device setup.

2.1 Front Panel

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Push and hold one of the RECORD and STREAM buttons until the pushed
button starts blinking red.
As soon as the pushed RECORD or STREAM button is released, the BITRATE
button will turn solid red.
While the BITRATE button stays solid red, push it to switch between different
bitrate modes (H, M or L). Please note that the BITRATE button will return to solid white after a few seconds if button push is not sensed.
To exit, push the the RECORD or STREAM button again. Note: The system will return to the previous setting if the BITRATE button is not
pushed. The default bitrate is M. H/M/L LED Indicators
ON (Green): Bitrate mode enabled OFF: Bitrate mode disabled
RECORD Button
The RECORD button activates and deactivates the RECORD Only mode; follow the steps outlined below:
Start recording
When idle, the RECORD button is solid white. Press and hold the RECORD button for approximately 2 seconds. When the record function is activating, the RECORD button turns from solid
white, then blinking red and finally to solid red.
When the RECORD button turns solid red, this indicates that the record
function has been successfully activated.
Stop recording
While recording, the RECORD button is solid red. Press and hold the RECORD button for approximately 2 seconds. When the record function is terminating, the RECORD button turns from solid
red, then blinking red and finally to solid white.
When the RECORD button turns solid white, this indicates that the record
function has been successfully terminated.
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STREAM Button
The STREAM button activates and deactivates the STREAM Only mode; follow the steps outlined below:
Start streaming
When idle, the STREAM button is solid white. Press and hold the STREAM button for approximately 2 seconds. When the stream function is activating, the STREAM button turns from solid
white, then blinking red and finally to solid red.
When the STREAM button turns solid red, this indicates that the record
function has been successfully activated.
Stop streaming
While streaming, the STREAM button is solid red. Press and hold the STREAM button for approximately 2 seconds. When the stream function is terminating, the STREAM button turns from solid
red, then blinking red and finally to solid white.
When the STREAM button turns solid white, this indicates that the stream
function has been successfully terminated.
Vertical Button Press the Vertical button to switch video orientation between Portrait and Landscape. See Section 3.4 for details.
Note: You can also switch video orientation via web user interface; see descriptions of the Vertical page for details.

2.2 Rear Panel

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Audio Input
RCA Unbalanced Audio Input
Connect an unbalanced stereo audio source for streaming and recording.
Video Input
HDMI Input
Connect an HDMI video source.
SDI Input
Connect an SDI video souce.
Network
LAN
The LAN port connects the device to the Internet via an Ethernet cable.
Power
DC IN 12V
DC in socket connects the supplied 12V PSU. The connection can be secured by screwing the outer fastening ring of the DC In plug to the socket.
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3 Video Streaming

In this section, we will show you how to set up and start your video streams.

3.1 Streaming Network Connection and Device Search

Let’s first detail how to connect the NVS-34 to a network with or without a DHCP server, and acquire the NVS-34’s IP address.
Note: The device is DHCP enabled by default.

Connecting to a DHCP Network (DHCP Mode)

Follow the procedure below to scan your DHCP network for connected NVS-34 devices.
Note: The NVS-34 will be automatically assigned an IP address upon connection to the DHCP network.
1. Connect the NVS-34’s LAN port to the network via an Ethernet cable.
2. Turn on the NVS-34’s power, which should boot up the device in
DHCP mode by default.
3. On your laptop, download the free IP Finder utility program from the product
page https://www.datavideo.com/product/NVS-34.
4. Connect the laptop to the same network that the NVS-34 is
connected to and double click the IP Finder utility program icon.
5. On the IP finder interface, click the SCAN button to start searching
for connected devices.
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Connecting to a NON-DHCP Network (Static IP)

Upon connection to a non-DHCP network, the NVS-34 will not be assigned of any IP addresses. As such it is recommended that you manually assign a fixed IP address to the device or use the default IP address (192.168.1.200).
Fixed IP is primarily used in point-to-point connection, such as directly connecting the PC to the NVS-34. In a non-DHCP environment, the NVS-34 only works in fixed IP mode. To set the NVS-34 to a fixed IP or the default IP, please follow the steps outlined below:
1. Connect the NVS-34’s LAN port to the network via an Ethernet cable.
2. Turn on the NVS-34’s power, which should boot up the device in
DHCP mode by default.
3. Search for the NVS-34 device according to the method detailed in the previous
DHCP section. Once found, log in to the user interface on the web browser.
4. Open the system page by clicking
the “System” tab on the home of
the user interface.
5. In the “Network Setting” pane, disable the DHCP mode.
6. You will then be allowed to manually enter the static IP address once the DHCP
mode is disabled. The default static IP is 192.168.1.200 or you can also enter an IP of your preference. The subnet mask and default gateway are 255.255.255.0 and 192.168.1.254 respectively.

Device Reset

In Fixed IP mode, if you forget or lose the IP address, do the following to reset the device settings.
1. Power cycle NVS-34.
2. During device bootup, the BITRATE, VERTICAL, RECORD and STREAM buttons
should illuminate solid red.
3. The device bootup should be complete approximately after 30 seconds and the
BITRATE, VERTICAL, RECORD and STREAM buttons will turn solid white.
4. Simultaneously press and hold the RECORD and STREAM buttons until the
BITRATE, VERTICAL, RECORD and STREAM buttons turn red.
5. Wait for about 5 seconds then release the RECORD and STREAM buttons and
the BITRATE, VERTICAL, RECORD and STREAM buttons should start blinking red.
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6. The reset is complete as soon as you see the BITRATE, VERTICAL, RECORD and
STREAM buttons illuminating solid white.
7. The device’s network settings should now be the default DHCP mode.
8. Connect the device to a DHCP network and use the IP finder to scan for the
device.

Troubleshooting the Network Connection

Connect the NVS-34 to the network and open the IP Finder utility program. Scan for the device. If not found, it is possible that your network is not assigning IP addresses. Reasons of this are outlined as follows:
- Router or DHCP server is not responding to the device’s request.
- New devices are blocked by the network administrator.
- Anti-virus software or the firewall blocks the communication.
Solve the problem by attempting the following:
- Turn off the router, wait for 10 seconds then turn on the router again.
- Reset the NVS-34 to the factory defaults (see the previous section for device
reset).
If the problem still persists, try the following:
- Temporarily shut down the anti-virus software or firewall.
- Make sure no other devices are connected to the LAN (wired or wireless)
because this may result in IP conflicts.
Advanced Troubleshooting
If you still are unable to connect, try the following:
- Use the ARP table to search for the device’s MAC address which can be
found on the print label at the bottom of your NVS-34.
- MAC address starts with 00:07:36:03:xx:xx.
- On the command prompt (terminal on MAC OS), enter "arp -a" then press
enter key to display an ARP list. See if the NVS-34 is successfully connected to the network.
- Execute services.msc，and on the right column of the “Services” window,
locate “DHCP Client” then click “Restart”.
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- On the command prompt, enter ipconfig/flushdns followed by
ipconfig/release and ipconfig/renew.

3.2 Web User Interface

By now, we have obtained the IP address of the NVS-34. To open the web user interface, either double click the device’s IP on the IP finder or enter the device’s IP into the address bar of a web browser then hit the ENTER button. Log in by entering the username as well as the password into the pop-up dialogue box as shown below.
- Username: admin
- Password: 000000
Click OK to log in.

Source

You will see the Source page immediately after logging into the web UI, on which first select the video source, SDI or HDMI.
If you’ve selected SDI, you only need to select the audio source next. The available audio source options are Embed, Line-In and Mixer. Descriptions of which are outlined as follows:
Embed: SDI embedded audio Line-In: External audio from RCA AUDIO IN jacks Mixer: A mix of SDI and HDMI embedded audio as well as RCA AUDIO IN
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If you’ve selected HDMI, you will be allowed to adjust the source video’s brightness,
contrast, hue and saturation by dragging the corresponding sliders as shown in the diagram below. After that, select your audio sources. You may choose to output HDMI embedded audio (Embed), external audio from RCA AUDIO IN jacks (Line-In), or a mix of SDI and HDMI embedded audio as well as RCA AUDIO IN (Mixer).
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At the bottom of the page, you will be able to view video and audio source information such as Input Information, Video Source, Audio Source, Resolution,
Frame Rate, Channels, Bits Per Sample and Sample Frequency.
Note: The NVS-34 web UI does not update automatically so to learn the latest device status, please refresh the page manually.
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While monitoring streaming and recording, please update the page periodically
regardless of how you operate the device (using the device’s physical buttons only or using the device’s physical buttons along with the web UI). This ensures the page is
always displaying the most up-to-date information.

Operation Mode

Click the Operation Mode tab on the tool bar to open the operation mode configuration page on which the user will be allowed to customize various stream and record settings.
The NVS-34 offers the following operation modes:
Stream Record
which will be discussed in detail in this section.
Stream Mode
The NVS-34 has two stream engines allowing you to stream to two different destinations over multiple protocols such as RTSP, RTMP, TS and HLS. See Section
3.3 for instructions on each individual stream setup.
The configurable stream video settings are Encoder Source, Stream Type, Resolution, Frame Rate, Profile, Level, Entropy, GOP and Video Bitrate (bps) which will be
described later in this section.
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Note that once your video streams are set up, click “Apply” button to apply the new stream settings. Click “Start Stream” to open the stream and “Stop Stream” to end the stream. To reset, simply click the default button.
Next, we will discuss the stream setting options in greater detail.
Encoder Source
This option allows you to enable the stream encoder for configurations of various parameters. If the stream encoder is not needed, disable this option.
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