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Datavideo NVS-25 User Manual

Datavideo NVS-25
52 pages
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Table of Contents

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Datavideo NVS-25 Specifications

General IconGeneral
Product colorBlack
Maximum video resolution1920 x 1080 pixels
Video compression formatsH.264
Audio input3
BNC input ports2
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
DC voltage12 V
Power supply typeDC
Power consumption (typical)7.2 W
Ethernet LANYes
Weight and Dimensions IconWeight and Dimensions
Depth163.3 mm
Width220 mm
Height47 mm

Summary

Warnings and Precautions

General Safety Precautions

Detailed safety instructions and warnings for operating the Datavideo NVS-25 unit.

Warranty and Disposal

Standard Warranty Terms

Details the standard one-year warranty against manufacturing defects.

Extended Two-Year Warranty

Information on qualifying for and obtaining a free one-year extension to the standard warranty.

Product Disposal Guidelines

Instructions for proper disposal of the product according to WEEE regulations for EU customers.

Product Overview and Features

Key Product Features

Lists the main features, video/audio inputs, and encoded stream capabilities of the NVS-25.

Front Panel Interface

Power, USB, and Mode Controls

Describes the function of the Power, USB, and Mode selection buttons.

Recording and Streaming Buttons

Explains the function of the RECORD and STM buttons for controlling recording and streaming.

Rear Panel Connectivity

Audio and Video Input Ports

Details the XLR/RCA audio inputs and HDMI, SDI, CVBS video inputs.

Network and Power Connections

Describes the Ethernet (LAN) port and DC power input socket.

System Diagram and Setup

System Connectivity Overview

Illustrates how the NVS-25 connects to various devices and the network.

Initial Setup and Configuration

Connecting Sources, Network, and Power

Guides on connecting video/audio sources, network, and power to the NVS-25.

Selecting Video Input Source

Instructions for selecting the active video input source using the MODE button.

Network Discovery and IP Addressing

Using IP Finder Utility

Explains how to use Datavideo's IP Finder software to locate the NVS-25 on the network.

Advanced Network Search

Searching Different Network Segments

Details how to use the IP Finder utility to search for the NVS-25 on a different network.

Web Interface Access and Login

Default Login Credentials

Provides the default username and password for accessing the NVS-25 web interface.

Web Interface Navigation and Options

Overview of Web Interface Sections

Overview of the main options available on the NVS-25 web interface: Live, Record, Status, Settings.

Live Stream Setup: Protocols

HLS, RTSP, and RTMP Protocol Overview

Describes the HLS, RTSP, and RTMP streaming protocols supported by the NVS-25.

Stream Server Selection

Explains the option to select or disable the streaming protocol.

RTMP Publish Configuration Details

RTMP Publish URL and Options

Details how to configure RTMP Publish, including URL and other parameters.

Encoder Setup Configuration

Input Source and Video Tuning Setup

Configuration of video input selection and video tuning parameters like brightness.

H.264 Encode and GOP Settings

Settings for H.264 encoding profile, GOP structure, and GOP size.

Advanced Video Tuning

Adjusting Video Tuning Parameters

Explains how to adjust video tuning parameters for HDMI and CVBS inputs.

Image Size and Encoding Profile Selection

Downscaling Resolution Options

Details available resolutions for downscaling the output image.

H.264 Encoding Profile Selection

Describes the available H.264 encoding profiles (Main 3.0, 3.1, High 4.0).

Understanding Video Compression

Group of Pictures (GOP) Explained

Explains the different frame types (I, P, B) and how they are organized in a GOP.

GOP Structure and Size Settings

Selecting GOP Structure and Size

How to choose GOP structure and size for efficient video encoding.

Video Bitrate and Mode Configuration

Setting Video Bitrate

How to set the video bitrate and its impact on video clarity and bandwidth.

Bitrate Limitations and Modes

Bitrate-Format Compatibility Notes

Notes on specific video bitrates that work with certain video formats.

Variable vs. Constant Bitrate (VBR/CBR)

Explains the differences between VBR and CBR for data efficiency and quality trade-offs.

Audio Setup Options

Embedding Digital Audio

How to embed audio into digital video streams (HDMI/SDI).

Analog Audio Input and Standards

How to connect analog audio via XLR/RCA and select audio standards.

Network Setup and IP Modes

DHCP and Static IP Addressing Modes

Explains DHCP and Static IP modes for network configuration.

Enabling or Disabling DHCP

How to enable or disable DHCP for network IP assignment.

Firmware Update Process

Steps for Firmware Upgrade

Step-by-step guide to updating the NVS-25 firmware via a web browser.

Account Management and Security

Changing Default Login Credentials

Instructions for changing the default username and password for enhanced security.

Restoring Factory Default Settings

Resetting via Web Interface

How to restore the NVS-25 to its factory default settings using the web interface.

Recording Stream to USB Media

USB Drive Formatting and Recording

Guides on formatting USB drives and recording video/audio streams.

Device Status and Stream Information

USB Storage Device Information

Displays information about the connected USB storage device.

Current Stream Configuration Details

Shows the current encoder settings and stream parameters.

Streaming Examples: HLS Protocol

HTTP Live Streaming (HLS) Setup

Example of configuring and streaming using the HLS protocol.

Streaming Examples: RTSP Protocol

Real Time Streaming Protocol (RTSP) Configuration

How to configure and use the RTSP protocol for streaming.

Streaming Examples: RTMP Protocol

Real Time Messaging Protocol (RTMP) Setup

Guide for setting up RTMP streaming to WAN servers or LAN clients.

RTMP Streaming to USTREAM

USTREAM Connection Configuration

Steps to configure NVS-25 for streaming to USTREAM.

RTMP Streaming to WOWZA Server

WOWZA Server Connection Configuration

Steps to configure NVS-25 for streaming to a WOWZA server.

RTMP Streaming to YouTube

YouTube Live Streaming Setup

Guide for setting up NVS-25 to stream live video to YouTube.

YouTube Live Streaming Prerequisites

Account Verification for Live Streaming

Steps for verifying a YouTube account to enable live streaming.

YouTube Live Event Creation

Setting Up Live Events on YouTube

Details on creating and configuring a live event on YouTube.

YouTube Live Stream Ingestion

Encoder Settings for YouTube Ingestion

Configuring encoder settings, including bitrate and server URL for YouTube.

Network and Device Status

Port Forwarding for Remote Access

Explains the need for port forwarding and lists relevant port numbers.

LED Status Indicators

Describes the meaning of different LED states for power, record, and stream.

Button Behavior and Troubleshooting

Front Panel Button Functions

Details the behavior of front panel buttons and their associated LED indicators.

Frequently Asked Questions (FAQ)

Addresses common problems and provides solutions for the NVS-25.

Technical Specifications

Hardware and Software Specifications

Lists comprehensive specifications for video, audio, networking, and storage.

Service and Support

Contact Information and Support Resources

Provides contact details for support offices worldwide and website resources.