AXIS 214 PTZ网络摄像头用户手册

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"AXIS 214 PTZ Network Camera User's Manual.pdf" 本文档是针对AXIS 214 PTZ PTZ网络摄像头的用户手册，适用于软件版本4.49。该手册主要面向管理员和用户，对于那些有过网络操作经验的人来说，在安装和使用此产品时会更有帮助。此外，具备UNIX或Linux系统的基础知识将对编写shell脚本和开发应用程序大有裨益。手册的后续更新版本将根据需要发布在Axis官方网站上。关于文档：本手册的目的是提供AXIS 214 PTZ网络摄像头的操作指南。在阅读并遵循4.49版的软件说明时，先前的网络操作经验会非常有用。对于那些希望进行更高级定制的用户，了解UNIX或Linux系统的基本原理将有助于自定义脚本和应用的开发。安全注意事项：在本手册中，使用了以下两种安全提示： 1. 警告（Caution!）：表示可能导致产品损坏的潜在危险。 2. 重要（Important!）：指出可能严重影响操作的危险。在充分理解这些提示的含义之前，不要继续操作。知识产权声明： Axis AB拥有与本文件中描述的产品相关的知识产权。具体来说，但不限于，这可能包括但不限于专利列表中http://www.axis.com/patent.htm列出的一项或多项专利，以及可能的额外已授权或待审批的专利。 AXIS 214 PTZ网络摄像头的主要特点可能包括高清晰度视频、PTZ（平移/倾斜/缩放）功能、网络连接能力，以及可能的日夜转换和宽动态范围等特性。用户将学习如何配置网络设置、设置图像质量、管理PTZ控制，以及如何利用内置的API或SDK进行集成或自动化操作。手册还会详细介绍如何安装摄像头，包括物理安装、连接电源和网络，以及初始化设置。在使用过程中，用户将了解到如何通过Web界面进行远程监控，以及如何设置和管理录像功能。对于高级用户，可能会有详细步骤指导如何编写和运行与摄像头交互的shell脚本或应用程序。此外，故障排除部分将提供常见问题的解决方案，帮助用户解决安装或操作过程中遇到的问题。手册还会涵盖维护和保养建议，以确保产品的长期稳定运行。总体而言，AXIS 214 PTZ网络摄像头用户手册是一个全面的参考资料，不仅适合初学者了解和操作摄像头，也适合有经验的技术人员进行高级配置和自定义开发。

AXIS 214 PTZ

Pan/Tilt/Zoom controls

The Live View page also displays the Pan/Tilt/Zoom controls.

These are enabled/disabled for specified users

by the administrator under System Options

> Security > Users > User List.

The Pan Tilt and Zoom bars control their respective functions in

two different ways.

Clicking anywhere on the bar's gradient allows for a ‘smooth' adjustment of the camera's

position, whilst clicking on the arrows at the two ends of the bar causes a stepped,

incremental change.

Note:

Setting the iris and focus manually will disable Auto iris/Auto focus.

Control panel

Click the Ct

rl panel button to display the control panel, which provides

the following settings:

• Auto focus: Au

tomatically adjusts the image focus.

• Auto iris: Automatically adjusts the am

ount of light reaching

the camera and gives the best results, This also protects the

image sensor from strong light.

• Backlight comp: Enabling backli

ght compensation makes the

subject clearer if the image background is too bright, or if the

subject is too dark.

• IR cut fil

ter - when set to off, the camera will be able to “see”

infrared light, e.g. at night, thus making the image clearer. The

image is shown in black & white when the IR cut filter is off. Set

to Auto to automatically turn the filter off when the available

visible light falls below the minimum requirement.

The control panel can also show custom shortcuts, which

are configured

from PTZ Configuration > Advanced > Ctrl Panel.

Viewer controls

The default viewer (for further description see page 24) to use for displaying moving images is selected from

Setup > Live View Config > Layout.

The AMC viewer toolbar is

available in Microsoft Internet Explorer only. See AXIS Media Control, on page

12 for more information. The AMC viewer toolbar displays the follo

wing buttons:

The Play/Stop buttons start and stop the live

video stream.

The Snapsh

ot button takes a snapshot of the currently displayed image. The Snapshot function

and the target directory for saving snapshots can be

configured from AMC (AXIS Media

Control), which is available from the Windows Control Panel (Internet Explorer only).

Click the View Fu

ll Screen button and the video image will fill the entire screen area. No other

windows will be visible. Press Esc (Escape) on the computer keyboard to

cancel full screen view.

Enabling this button allows the user to

start an recording directly from the Live View page. The

location where the image file is

saved can be specified using the AMC control panel. To enable

recording, Select Live View Config > Viewer Settings > Enable recording button.

AXIS 214 PTZ

Area Zoom

This allows you to draw a box over a desired area to zoom into. To activate, click the Center button

described in the AMC viewer toolbar, or in other Internet browsers, select PTZ > Center. Using your mouse,

click in the image and, while holding down the left mouse button, draw a square over the area you would

like to zoom into.

This functionality may need to be calibrated before use. This is

done from Setup > PTZ Configuration >

Advanced > Calibration.

Server push (not available for Microsoft Internet Explorer)

With this method, the AXIS 214 PTZ maintains and

controls an open HTTP connection to the browser and

sends data as and when required, for as long as required.

QuickTime

For use with MPEG-4 only. Note that in the settings for Vi

deo & Image > Advanced > MPEG-4, the Video

object type must be set to Simple.

Java applet

This alternative uses a Java applet to update

the images in the browser. No download is required. Note that

when this alternative is selected, external video sources will not be available on the Live View page, and

audio will be mono-directional only (to the client only).

Still Image

Displays still images only. Hit your browser’s

Refresh button to view a new image.

PTZ Control Queue

Only one user can use the Pan/Tilt/Zoom controls at any one time. When multiple users are accessing the

AXIS 214 PTZ’s Live View page, they must be placed in a queue and assigned a set period of time during

which they have the use of the PTZ controls. Use the buttons to request or release control of the PTZ

controls.

The PTZ Control Queue is set up

by the administrator from PTZ Configuration > Control Queue.

These buttons change the navigation mode. Selecting Center will move

the camera view to

center on the position that

was clicked. Joystick mode will move the camera in the direction

indicated by a mouse click, relative to the center of the image. The further from the center the

image is clicked, the greater the movement. These modes can also be selected by right-clicking

in the image.

Click the Spe

aker and Microphone buttons to switch the sound off and on for the speaker and

microphone, respectively.

When using Half-du

plex mode this button toggles between allowing you to speak and listen.

The first icon indicates that you can talk and the speaker attached to

the camera will play your

voice. The second indicates that you will hear audio from the camera, but no audio will be sent

to web clients. When in Simplex talk mode, the icon toggles between allowing you to speak and

is dimmed when you do not want other clients to receive any audio.

Use the slider to control the volume on the speaker and

microphone. The volume can be

set between 0 and 100.

AXIS 214 PTZ

Video and Audio Streams

The AXIS 214 PTZ provides several different image and video formats. The type you want to use depends

on your requirements and on the properties of your network.

The Li

ve View page in the AXIS 214 PTZ provides access to Motion JPEG and MPEG-4 video streams, as

well as to single JPEG images. Other applications and clients can also access these video and audio

streams/images directly, without going via the Live View page.

Video Stream Types

Motion JPEG

This format uses standard JPEG still images in the video stream.

These images are then displayed and

updated at a rate sufficient to create a stream that shows constantly updated motion.

The Motion JPEG stream uses considerable amounts of bandwidth,

but also provides excellent image quality

and access to each and every individual image contained in the stream.

Note also that multiple clients accessing Motion

JPEG streams can use different image settings.

MPEG-4

This is a video compression standard that makes good

use of bandwidth, and which can provide

high-quality video streams at low bandwidth (at less than 1 Mbit/s).

The MPEG-4 standard provides scope for a large range of

different coding tools for use by various

applications in different situations, and the AXIS 214 PTZ provides certain subsets of these tools. These are

represented as Video object types, which are selected for use with different viewing clients. The supported

video object types are:

• Simpl

e - sets the coding type to H.263, as used by e.g. QuickTime™

• Ad

vanced Simple - sets the coding type to MPEG-4 Part 2, as used by AMC (AXIS Media Control)

When using MPEG-4 it is also possible to control the

bit rate, which in turn allows the amount of

bandwidth usage to be controlled. CBR (constant bit rate) is used to achieve a specific bit rate by varying

the quality of the MPEG-4 stream. When using VBR (variable bit rate), the quality of the video stream is

kept as constant as possible, at the cost of a varying bit rate.

Notes:

•MPEG-4 is licensed technology. The AXIS 214 PTZ includes one viewing client license. Installing additional unlicensed copies

of the viewing client is prohibited. To purchase additional licenses, contact your Axis reseller.

•All clients viewing the MPEG-4 stream must use the same image settings.

Audio Stream Types

The audio stream types for audio are:

• G.711 - International standard for encoding wired-telephone audio. Uses PCM samples to compress

audio where higher signal

values are compressed more than lower values. In Axis products, this

sets the coding type to μ-law 64 kbit/s.

• G.726 - Uses PCM samples to code the difference between samples (ADPCM). Reduces bandwidth

without losing too

much useful audio. In Axis products, this sets the coded bit rate to 24 or 32

kbit/s.

All stream types are ITU-T standards and operate on frequencies

of up to 4 kHz.

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