Data Video NVS-40 User manual

NVS-40
4 channel streaming
encoder/recoder

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Table of Contents
TABLE OF CONTENTS ............................................................................................. 2
FCC COMPLIANCE STATEMENT .............................................................................. 4
WARNINGS AND PRECAUTIONS............................................................................. 4
WARRANTY........................................................................................................... 5
STANDARD WARRANTY................................................................................................... 5
THREE YEAR WARRANTY................................................................................................. 6
DISPOSAL .............................................................................................................. 6
CHAPTER 1 PRODUCT OVERVIEW.................................................................... 7
1.1 BIG FIVE FEATURES .................................................................................................. 7
1.2 FEATURES............................................................................................................... 7
CHAPTER 2 CONNECTIONS AND CONTROLS..................................................... 9
2.1 FRONT PANEL ......................................................................................................... 9
2.2 REAR PANEL ......................................................................................................... 14
CHAPTER 3 SYSTEM DIAGRAM ...................................................................... 16
CHAPTER 4 QUICK START GUIDE-CONNECTION AND SETTING........................ 17
4.1 QUICK START GUIDE............................................................................................... 17
4.2 HOW TO INSTALL 2.5” SSD/REMOVABLE HDD .......................................................... 19
CHAPTER 5 NVS-40 WEB CONTROL USER INTERFACE ..................................... 21
5.1 MAIN CONTROL INTERFACE ..................................................................................... 21
5.2 SOURCE ............................................................................................................... 21
5.3 ENCODER ............................................................................................................. 23
5.4 RECORD ............................................................................................................... 26
5.5 STREAMING .......................................................................................................... 27
5.5.1 Streaming-RTSP......................................................................................... 29
5.5.2 Streaming-TS ............................................................................................. 31
5.5.3 Streaming-RTMP (Take Youtube as an example) ...................................... 34
5.5.4 Streaming-HLS........................................................................................... 36
5.6 CG (CHARACTER GENERATOR) ................................................................................. 39
5.6.1 How the Location X & Location Y values Affect CG Source........................ 41

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5.7 PGM .................................................................................................................. 44
5.8 MONITOR ............................................................................................................ 46
5.9 SYSTEM ............................................................................................................... 47
5.10 STATUS.............................................................................................................. 49
CHAPTER 6 FIRMWARE UPDATE.................................................................... 51
CHAPTER 7 FREQUENTLY-ASKED QUESTIONS ................................................ 52
CHAPTER 8 DIMENSIONS .............................................................................. 53
CHAPTER 9 SPECIFICATIONS.......................................................................... 54
APPENDIX 1 LED INDICATOR STATUS AND BEHAVIORS......................................... 56
APPENDIX 2 NVS-40 FRONT PANEL BUTTONS BEHAVIORS.................................... 57
NOTE................................................................................................................... 58
NOTE................................................................................................................... 59
SERVICE AND SUPPORT ....................................................................................... 60
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 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.

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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.
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.

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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.
CE Marking is the symbol as shown on the left of this page. The
letters "CE" are the abbreviation of French phrase "Conformité
Européene" which literally means "European Conformity". The
term initially used was "EC Mark" and it was officially replaced by
"CE Marking" in the Directive 93/68/EEC in 1993. "CE Marking" is now used in all EU
official documents.

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Chapter 1 Product Overview
The Datavideo NVS-40 is a 4 Channel Streaming Encoder/Recorder which features
streaming and recording features in a single device to help producers or users to
record and stream high quality videos simultaneously by setting different video
formats and bitrates according to different applications and internet bandwidths.
The Datavideo NVS-40 supports SDI x 1 and HDMI x 4 video inputs (Channel 1 source
can be either SDI or HDMI). The NVS-40 allows up to 4 1080P signal sources to be
encoded to 8 streamings in different bitrates simultaneously. The NVS-40 records up
to 4 inputs and 1 output channel video signals to hard disk or live-streams those
videos to up to 10 different streaming platforms at the same time.
Moreover, The NVS-40 also allows external XLR balanced audio and RCA unbalanced
audio input sources. It can also be an ISO recorder to record backup files for each
input channel. The NVS-40 can be a Video IP switcher to switch between different
videos via internet connection which is suitable to control remotely.
Furthermore, the 2.5” HDD/SSD inserted into the NVS-40 front panel can be
formatted in NTFS, FAT and exFAT formats which allow users to record single video
file that the file size exceeds 4GB.
1.1 Big Five Features
Four Input Channels for Video Encoding/Capturing/Streaming
H.264 Streaming and Recording Simultaneously
Video IP Switcher
ISO Recorder for 4 Input Channels and 1 Program Output.
Quad View/PIP/POP/Full Screen/PBP Screen Layouts.
1.2 Features
Four Channel for Video Capturing/Encoding/Streaming
H.264/AVC High Profile Level
Configurable Bit Rate up to 30Mbps per Channel
Independent Encoder Settings for Simultaneously Streaming and Recording
Built-in de-interlacer
Built-in Video Scaler: Resized Resolution Range from 160 x120 to 1920 x1080
Isolated/PIP/PBP (Picture By Picture) Video Processing Modes.

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Dynamic Parameter Settings Adjustment: GOP Size, Frame Rate, Bit Rate.
Multi-language Web UI including English, Simplified Chinese, Japanese and
Traditional Chinese (Will be Available Soon)
Dual Color LED Indicator Showing the status or detections. (About LED indicator
related sections, please refer to Appendix1 and Appendix2).
Supported input formats
1080p at 23.98/24/25/29.97/30/50/59.94/60 fps
1080i at 50/59.94/60 fps
720p at 50/59.94/60 fps
576i at 50 fps
480i at 59.94 fps
Web UI supported operating systems and web browsers
Operating systems
-Microsoft Windows 8.1 (64-bit)
-Microsoft Windows 10 (64-bit)
Web browsers
-Microsoft Internet Explorer
-Google Chrome
Streaming
RTSP, RTMP, TS and HLS streaming protocols for use on:
-Adobe Media Server, Wowza Media Server
-Software video players such as QuickTime and VLC
-Content Delivery Networks (CDNs) such as YouTube Live, Ustream and etc.
Recording
Recording format
-MOV,MP4 and TS file formats on a FAT, NTFS or exFAT file system

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Chapter 2 Connections and Controls
2.1 Front Panel
Stream and Recording
Stream Button
Press this button to activate the RTMP
or RTSP stream and press again to stop
streaming.
Note: Pressing the Stream button
starts the stream for that device only
and this stream button is used when
you want to stream directly through
the NVS-40 device rather than by the
NVS-40 Web UI.

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Record Button
Press the Record button to start
recording your input source to the 2.5”
SSD or HDD inserted into the front
panel of the NVS-40. Press the Record
button again to stop the recording.
Note: Pressing the Record button
starts recording for that device only
and this record button is used when
you want to record directly through
the NVS-40 device rather than by the
NVS-40 Web UI.
Note: If you want to start/stop streaming and recording at the same time, press
and hold the Stream and Record buttons and then release them at the same
time. Please pay attention to the LED indicator status after pressing the buttons.
Mode Button
Due to that the first channel of the
video inputs on the rear panel of the
NVS-40 can either be SDI or HDMI,
Press the Mode button to switch
between the SDI and HDMI Mode.
LED Indicator

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Power LED
The Power LED Indicates the Power
status.
Red LED is On: system reboot/program
initialization
Red LED is Blinking: Error
Green LED is On: system is ready.
SDI LED
The SDI LED indicates the status of the
first input channel. The first input
channel of the NVS-40 allows either SDI
or HDMI source. If the input for the first
channel is SDI source, this SDI LED will
be lit.
Red LED is Blinking : Error
Green LED is On: Input source is OK.
HDMI LED
The HDMI LED indicates the status of
the first input channel. The first input
channel of the NVS-40 allows either SDI
or HDMI source. If the input for the first
channel is HDMI source, this HDMI LED
will be lit.
Red LED is Blinking : Error
Green LED is On: Input sources are OK.

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Record LED
The Record LED indicates whether
current status is in Record Mode or not.
If the NVS-40 operates in Record Mode,
then this Record LED will be lit.
Red LED is Blinking : Error
Green LED is On: Recording is started.
Stream LED
The Stream LED indicates whether
current status is in Stream Mode or not.
If the NVS-40 operates in Stream Mode,
then this Stream LED will be lit.
Red LED is Blinking : Error
Green LED is On: Streaming is started.
USB Port
USB Port
The USB port on the front panel of the
NVS-40 is used for firmware update.
Note: The USB port on the front panel
of the NVS-40 is used for firmware
update. The backup recording of the
NVS-40 will be saved in the HDD or SSD
inserted into the right side of the front
panel.
2.5” SSD/HDD

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2.5” SSD/HDD Enclosure and 2.5”
SSD/HDD Tray
This 2.5” SSD/HDD enclosure is used for
users to install the 2.5” SSD or HDD.
The Steps for installing the SSD/HDD
1. Remove the top cover of the
SSD/HDD enclosure.
2. Please place your SSD or HDD into the
enclosure. Please pay attention that the
side with the SATA connector should be
placed toward the direction of the rear
panel of the SSD/HDD enclosure.
3. Please cover the top lid of the
SSD/HDD enclosure.
4. Please screw the 4 screws into both
sides of the SSD/HDD enclosure again.
5. Please insert the SSD/HDD enclosure
into the SSD/HDD tray again to finish
the SSD/HDD installation procedure.
Lock/Unlock Switch and the LED
Indicator
When the enclosure is inserted, slides
the switch to the Lock side will lock the
enclosure. The enclosure can be pulled
out when the switch slides to the side of
Unlock.
The LED indicator shows the
Lock/Unlock status of the SSD/HDD
enclosure. When the SATA interface is
connected correctly and the
Lock/Unlock switch is pushed to the
lock side, the SSD/HDD LED indicator
will be lit.
Green LED is On: The installation is
finished/The SSD/HDD is ready
Green LED is Blinking: In the recording
LED is Off: SSD/HDD is removed/Error

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2.2 Rear Panel
Audio Input
RCA Unbalanced Audio Input
Allows you to input an unbalanced stereo analog audio
source for streaming and recording.
XLR Balanced Audio Inputs
Allows you to input up to two XLR balanced analog audio
sources (CH1 & CH2) for streaming and recording.
Video Input
SDI/HDMI Input (for Channel 1 Video Input Only)
Connect an SDI or HDMI video source to this SDI/HDMI
video input interface.
Note: The video input source for the NVS-40 Channel 1
video input can be either SDI or HDMI source. However,
the HDMI video input source is the only format that can
be accepted by the video inputs of Channel 2, Channel
3 and Channel 4. HDCP mode is not supported by HDMI
interface.
HDMI 2
Connect an HDMI video source to this HDMI video input
interface. HDCP mode is not supported by HDMI
interface.
HDMI 3
Connect an HDMI video source to this HDMI video input
interface. HDCP mode is not supported by HDMI
interface.

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HDMI 4
Connect an HDMI video source to this HDMI video input
interface. HDCP mode is not supported by HDMI
interface.
SDI Loop
Connect an SDI cable from this connector to a monitor
or projector with the SDI interface to output the SDI
input source
Others
LAN
The LAN port is an auto-negotiation 10/100/1000 Base-
T Ethernet port which connects the NVS-40 to an
Ethernet network through a standard RJ-45 Ethernet
cable.
DC IN 12V Power Connector
Power the NVS-40 device by connecting the device to an
AC outlet through a power cord and a power adapter. To
power off the NVS-40, simply disconnect the device from
the power source and any logged errors will be cleared.
All current settings are kept even after the device is
powered off.
Power Switch
You can switch this power switch for powering-on or
powering-off the NVS-40.
This is the Ground.

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Chapter 3 System Diagram

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Chapter 4 Quick Start Guide-Connection and Setting
Before you start to use the NVS-40, it is very important that you have to connect all
necessary cables and to complete the network and HDD settings. Due to the fact that
the NVS-40 can only be controlled by the Web UI, the Web UI must be set after all
hardware connections and settings are done.
4.1 Quick Start Guide
Please follow following steps for quick connection and setting guidance of the NVS-40.
Step 1. Please connect a DC 12V power cord connected with an AC-DC adapter from
the NVS-40 DC 12V connector to the AC outlet.
Step 2. Please turn on the power switch of the NVS-40.
Step 3. Please connect four HDMI video input sources or one SDI and three HDMI video
input signals from the external connected block cameras to the HDMI and SDI video
input connectors on the rear panel of the NVS-40.
Step 4. Please connect the public network to the WAN port of the router via an RJ-45
Ethernet cable.
Step 5. Please connect another RJ-45 Ethernet cable from the LAN port on the rear
panel of the NVS-40 to the router.
Step 6. Please connect an RJ-45 Ethernet cable from the LAN port for the router to
your PC/Laptop.
Step 7. Please set your PC/laptop in DHCP mode.
Step 8. Please download Datavideo IP Finder utility software “NVS-2X_IPFinder”on
the Datavideo official website www.datavideo.com or by scanning the QR code.
Step 9. Please unzip the zip file and Install the IP Finder utility software after
downloading.
Step 10. Open the IP Finder utility software and then the connected NVS-40 IP address
will be shown automatically. If the IP address does not show automatically, users can
click the Scan button to find the IP address of all connected NVS-40 devices.

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Step. 11. After the connected NVS-40 IP address is shown, please enter the IP address
into the address bar of the web browser.

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Step 12. The NVS-40 Web Control UI will be shown and then it is ready for you to
control and set the NVS-40 through the Web Control UI.
Note: The 2.5” SSD/HDD must be installed in the enclosure and inserted into the
HDD tray on the front panel of the NVS-40 to start recording.
4.2 How to Install 2.5” SSD/Removable HDD
How to Assemble 2.5” SSD/HDD in Removable Enclosure.
1. Remove the top cover
of the SSD/HDD
enclosure.

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2. Place the SSD/HDD
into the enclosure,
cover the top cover
back and then screw
four screws for both
sides as shown as the
diagram.
3. After the SSD/HDD is
placed back into the
enclosure and the four
screws are screwed, the
SSD/HDD enclosure will
be shown as the
diagram.
4. Finally, please insert
the SSD/HDD enclosure
into the HDD tray on
the left side of the NVS-
40 and then slide the
LOCK/UNLOCK switch to
the LOCK side as shown
as the diagram. After
the SSD/HDD enclosure
is inserted and locked,
the LED indicator will be
lit.