Extron electronic user manual Introduction, VTG 150 Features, VTG 200 Features, Video

Introduction

Introduction

The Extron VTG 150 and VTG 200 Video Test Generators reproduce computer video signals with patterns for testing and repairing computer monitors, LCD panels, interfaces and large screen displays. They are also used to setup and simulate computer video for system installations.

Both the VTG 150 and the VTG 200 have 16 selectable test patterns for setting and testing geometry, focus, convergence, gray scale and other parameters. After a test pattern has been selected, the color of each pattern may be changed to display in the colors white, black, red, green, blue, cyan, magenta and yellow.

The VTG 200 is field programmable through its RS-232 port. New scan rates can be added by the user as they are encountered on new equipment. The included Windows- compatible software simplifies the programming.

This user’s manual provides the information necessary to operate the VTG 150 and VTG 200 video test generators. A label on the bottom of each unit provides quick-reference operating instructions.

Introduction

VTG 150 Features

•Easy operation - When power is applied to the VTG, the LCD displays a series of instructional menus.

•Output connectors provide connection to RGB (BNC), TTL, Macintosh and VGA/XGA devices.

•Sync output can be composite H/V; separate H & V; Sync on Green; or sync on red, green, and blue.

•Automatic time-out to prevent video burn-in

•Pre-loaded scan rates - The VTG 150 has been pre-loaded with the most popular video scan rates.

•Sixteen test patterns with selectable color combination

•Upgrades and options - As new scan formats are introduced, the VTG 150 can be sent to Extron to be upgraded.

•Automatic test pattern sequencing for burn-in applications of display and video processing equipment.

VTG 200 Features

The VTG 200 Video Test Generator has all of the features of the VTG 150 listed above plus:

•13W3 output connector for Sun, SGI, IBM Power PC and NEXT type monitors

•NTSC/PAL BNC output connector

•SMPTE color bar and PLUGE test pattern for NTSC/PAL

•RS-232 connector supports VTG 200 control and field loading of scan rates (Extron or user-supplied scan rates).

•Internal power supply operates on any AC line voltage input in the 100-240VAC, 50/60Hz range.

•Field programmable and upgradeable by Extron or the user as new scan rates are introduced by computer and graphics card manufacturers

Specifications

Video

Bandwidth	450 MHz (-3dB)
Video signal characteristics
Dot clock	230 MHz
Pixel clock accuracy	0.02 MHz
Scan rate accuracy	±2%
Frequency range	15 kHz to 127 kHz
Rise/fall time	<1.2 nS

Page 1-1 Extron • VTG 150 & VTG 200 • User’s Manual Extron • VTG 150 & VTG 200 • User’s Manual Page 1-2