概述General Introduction
本仪器是为视频监控工程现场安装、维护所开放的专业测试工具。具有视频显示、PTZ控制、DC12V电源输出、音频测试、视频信号发生器、RS485 数据捕捉等功能。
本仪器功能齐全、简单易用、携带方便，非常适合监控安防工程中安装、维护前端摄像设备，能极大提高工程安装效率、降低后期维护设备费用。
The device is designed for video surveillance installing and maintenance. Combined with video displayer, PTZ controller, DC12V 1A power output, audio test, video generator, capturing data of RS485, and other functions.
This device is fully functional, easy to use, easy to carry, and very suitable for video security engineering installation, maintenance of front-end camera equipment. Engineering and installation efficiency can be greatly improved. And it also can reducing the cost of maintenance.

产品特点Product highlights

独有的数码变倍功能，可局部放大视频图像。
With unique digital zoom function, the video image can be magnified.
2.8英寸LCD显示屏，320*RGB*240(QVGA)分辨率，64K色。
2.8-inch high resolution LCD screen, 320 * RGB * 240(QVGA) resolution, 64K colors.
LCD屏幕亮度/对比度/色彩饱和度可调，背光亮度可调。
LCD screen brightness / contrast / color saturation /backlight brightness is adjustable.
视频制式NTSC、PAL自动适应和制式显示。
Video Format NTSC, PAL automatically adapt and standard prompt.
视频信号强度测量，测试视频信号电平是否衰减。
Video signal strength measurement, to test if video signal level is attenuated.
DC12V 1A电源输出，为摄像机提供应急电源。
DC12V 1A power output,to provide temporary power to the camera.
LED照明电筒功能。
With LED function.
音频输入测试，测试拾音器等音频信号。
Audio input test, test microphones and other audio signals.
多制式视频信号图型发生器，输出多种标准测试图。
Video generator outputs a variety of standard test images.