Extron electronics RGB 302 Manuale utente

User’s Manual

RGB 302/304

Universal Digital Interface

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Extron RGB 302/304 Universal Interface • User’s Manual

Chapter One • Introduction to the RGB 302/304

RGB302/304Features ......................................................... 1-1

SmartSave™ .......................................................... 1-2

LCDMenu Driven Controls ..................................... 1-2

Memory Blocks and Memory Cycling...................... 1-2

LevelControl(picture)............................................. 1-2

PeakingControl(sharpness)................................... 1-3

HorizontalShiftControl(centering).......................... 1-3

Vertical Shift Control (centering).............................. 1-3

AutomaticSyncOutput Detection ........................... 1-3

Automatic SyncStripping ........................................ 1-3

KeyboardLockout ................................................... 1-3

Auto-switching Power Supply.................................. 1-3

AudioInterface........................................................ 1-3

DIP Switch Settings ................................................ 1-4

RS-232 ControlInterface for RemoteControl .......... 1-4

BenefitsofWindowsRGB302/304Software .......... 1-4

FrontPanelControls .............................................................. 1-5

Menubutton ............................................................ 1-5

Cursorbuttons ........................................................ 1-5

Nextbutton ............................................................. 1-5

LCD Display ........................................................... 1-5

RGB302/304Specifications.................................................. 1-6

ChapterTwo • Installing the RGB 302/304

EasySetup Procedure .......................................................... 2-1

RearPanel DIP Switch Settings ............................................ 2-3

AudioConnections ................................................................ 2-3

Installation Check .................................................................. 2-4

MemoryCyclingFeature ....................................................... 2-5

Preset Memory Blocks .......................................................... 2-6

Power Supply ........................................................................ 2-6

RS-232InterfaceSpecifications ............................................ 2-6

ApplicationDiagrams............................................................. 2-7

ChapterThree • Front Panel Menus

RGB 302/304Menu Sequence .............................................. 3-1

Usingthe Menu System ........................................................ 3-2

DefaultCycleMenus ............................................................. 3-3

Default Cycle Hot Keys........................................... 3-4

LanguageMenu ...................................................... 3-4

Keyboard Lock/Unlock Menu .................................. 3-5

Digital Display Sync Processing ............................. 3-5

ImageControlsMenus .......................................................... 3-6

Horizontal ShiftMenu .............................................. 3-6

VerticalShiftMenu .................................................. 3-6

LevelControlMenu ................................................. 3-7

PeakingControlMenu ............................................. 3-7

Page i

Contents

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Extron RGB 302/304 Universal Interface • User’s Manual

Sync Controls Menus ............................................................ 3-8

SyncOutputMenu .................................................. 3-8

HorizontalPolarityMenu ......................................... 3-9

VerticalPolarityMenu ............................................. 3-9

OptionControlsMenus........................................................ 3-10

LCDBackliteMenu ............................................... 3-10

MemoryCyclingMenu .......................................... 3-10

SystemReset Menu ............................................. 3-10

ConfirmResetMenu ............................................. 3-11

ExitMenu ............................................................................ 3-11

DefaultSettings on Power Up .............................................. 3-11

Default SettingsonSystemReset ....................................... 3-11

Chapter Four • Using theWindows® Control Program

InstallingWindows®ControlSoftware ................................... 4-1

NormalWindowsControlPanel ............................................. 4-2

RGB 302/304 Help ................................................................ 4-3

Appendix A • Programmer’s Guide

RemoteControlPort (RS-232) .............................................. A-1

Host-to-RGB302/304Instructions ........................................A-2

SimpleCommands ................................................................A-3

Error Codes .......................................................................... A-4

RGB 302/304-Initiated Messages ..........................................A-5

RGB 302/304 User’s Manual

68-354-01

FirstEdition

89-03

Writtenandprintedin theUSA

Page ii

Contents

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Extron RGB 302/304 Universal Interface • User’s Manual Page iii

Legend

Legend of Icons

The following icons may be used in this manual:

______ Important information – for example, an action or a

step that must be done before proceeding.

______ A Warning – possible dangerous voltage present.

______ A Warning – possible damage could occur.

___ A Note, a Hint, or a Tip that may be helpful.

____ Possible Electrostatic Discharge (ESD) damage

could result from touching electronic components.

_____ Indicates word definitions. Additional information may

be referenced in another section, or in another

document.

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Extron RGB 302/304 Universal Interface • User’s Manual

Notes

Page iv

____

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Extron RGB 302/304 Universal Interface • User’s Manual

Chapter One

Introduction to the RGB 302/304

SmartSave™

LCD Menu Driven Controls

Memory Blocks and Memory Cycling

Image Display Controls

Automatic Sync Output Detection

Keyboard Lockout

RS-232 Control Interface

Front Panel Controls

Specifications

RGB 302/304 Universal Digital Interface

User’s manual

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Extron RGB 302/304 Universal Interface • User’s Manual

The Extron RGB 302/304 is a digitally controlled

UniversalAnalog/ECLComputer-VideoInterface.It

can connect most computers to a video presentation

device, such as a large screen projector or data

monitor. The RGB 302/304’s SmartSave™ feature

automatically selects sync settings and other

parameters for a quick and easy setup.

AmongtheRGB302/304features are RGB input/

outputconnectors,an MBC power jack, audio input/

outputconnectors,an RS-232 connector, and rear

panel DIP switches.

TheRGB304isidentical in performance and features

as the RGB 302 with the exception being that, unlike

the RGB 302, the RGB 304 has its 9-pin Analog/ECL

input,Audioinput,andMBCpowerjacklocatedonthe

frontpanel of the unit, as shown below. This difference

allows the RGB 304 to be installed in situations where

front panel access to such connectors may be

necessary, such as the mounting of the unit in a rack

mountenvironment.

RGB302/304 Features

The RGB 302/304 features allow video output to be

controlled in several ways:

• Automaticsync output detection and setup for quick

installation

• CustomsetupandadjustmentsmadefromtheFront

Panel(shownbelow)

• RGB 302/304 Windows® software, through an RS-232

interface

• User-writtenprogramsthroughtheRS-232port

Page 1-1

Chapter 1 • Introduction to the RGB 302/304

MENU NEXT

RGB 302

MENU NEXT

RGB 304

MBC

POWER

ANALOG/ECL

AUDIO IN

INPUT

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Extron RGB 302/304 Universal Interface • User’s Manual

SmartSave

™

Thisunique featuregreatlysimplifiesthevideo

configurationsetupoftheRGB302/304. The

RGB 302/304 comes preset with various video

configurationstomatchmostcomputer video

requirements.Theproperconfigurationis

automaticallyselectedandimplementedfortheuser.

Inaddition,theRGB302/304will automaticallysave

anyusermodificationstothe videoconfigurationand

willrecallthecorrectconfigurationwithout needfor

userintervention.

LCD Menu Driven Controls

The RGB 302/304 does not have front panel “knobs”

or “switches” to control its operation. Instead, the

“controls”aredisplayedand adjusted using theFront

Panel LCD display and the six front panel buttons.

The Front Panel display can be used in any of four

languages:English,French,SpanishandGerman.

The display serves two purposes:

1. The RGB 302/304 automatically detects and

displaysvitaltroubleshootinginformation,suchas

thehorizontalandverticalscanfrequencies.

2. The user can step through and display any of the

controlsorfeaturesin the interface.

___ Chapter 3has detailsonusingtheFrontPanel.

Memory Blocks and Memory Cycling

There are 15 preset memory blocks which store video

format information, such as video, sync and control

settings. Each block is preloaded by Extron and

definesonevideoconfiguration(e.g.VESA3,MAC16",

etc.). These preset memory blocks define most video

requirements.Inaddition,thereare25user-definable

memoryblocksavailable.

The RGB 302/304 automatically cycles through

(MemoryCycling)the user-definedmemoryblocks

and loads the video format that most closely matches

thecomputer’svideooutput.Should a match notbe

found, the 15 preset memory blocks are searched

next (refer to

the section “Memory Cycling Feature”

Chapter2).

Level Control (picture)

This feature is similar to the brightness control on a

datamonitor and is used toadjust the intensity of the

videolevelontheprojector/monitorscreenbyusing

the cursor keys. There are 255 levels for this control.

Page 1-2

Chapter 1 • Introduction to the RGB 302/304

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CAMBOARD Electronics

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Extron RGB 302/304 Universal Interface • User’s Manual

Peaking Control (sharpness)

This control is similar to the sharpness control on a

datamonitor. It is also used to compensate for long

cable runs. There are eight Peaking levels which are

selected by using the cursor keys.

Horizontal Shift Control (centering)

Thisfeatureshifts the displayed image to the leftor

rightontheprojector/monitorscreenbyusingthe

cursor keys. There are 255 positions for this control.

Vertical Shift Control (centering)

Thisfeature shifts the displayed imageup or down on

the projector/monitor screen by using the cursor keys.

Thereare 255 positions for thiscontrol.

Automatic Sync Output Detection

The RGB 302/304 automatically detects which cables

are connected and sends either Sync On Green,

CompositeSyncorSeparateHorizontalandVertical

sync signals to the correct output cables. This

functioncan beoverriddenthroughmenucontrols.

Automatic Sync Stripping

The RGB 302/304 automatically strips all incoming

sync from the red, green, and blue channels for clean,

crisp signal processing. Sync may be recombined with

the green channel if necessary.

Keyboard Lockout

The RGB 302/304 features a Keyboard Lockout

function which allows the user to “lock out” the front

panel controls by using “hot keys”. This feature

disablesfrontpaneloperationaftersetup.

Auto-switching Power Supply

The RGB 302/304 is equipped with an internal auto-

switchingpower supply that operates fromany input

voltage in the 100 to 240 VAC, 50/60 Hz range. No

equipmentchangesare necessary.

Audio InterfaceThe RGB 302/304 includes a PC/computer audio (600

ohm)toline-levelaudio(balanced)converter.For

computers which have a sound card, the audio

interfacewillprocesstheaudiosignal along with the

video(audio follow).Theaudiooutputcanbe

connected to an external stereo system.

Page 1-3

Chapter 1 • Introduction to the RGB 302/304

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Extron RGB 302/304 Universal Interface • User’s Manual Page 1-4

Chapter 1 • Introduction to the RGB 302/304

DIP Switch Settings

The RGB 302/304 includes a rear panel DIP switch

bank which will activate Digital Display Sync

Processing, remove/pass serration pulses, and set 75

Ohm/highimpedancevideoinputtermination.

RS-232 Control Interface for Remote Control

The RGB 302/304 has a built-in RS-232 interface to

allowtheunittobecontrolledremotelyineitheroftwo

ways:

1. Use the Windows® RGB 302/304 Control Panel

software provided by Extron (see next section).

2. The user may write software to control the RGB 302/

304 from a PC or control system. See the

Programmer’s Guide inAppendix A.

The RS-232 protocol is fixed at 9600 baud, no parity, 8

data bits and 1 stop bit.

Benefits of Windows® RGB 302/304 Software

UsingtheWindows® software provided with the

RGB 302/304 adds several advantages over Front

Paneloperation.

• All of the controls are quick and easy to use with

theon-screencontrolpanel.

• Application setups can be stored as disk files,

therefore,anunlimited numberofsetupscanbe

stored and reloaded from the PC’s hard drive or

floppydisk.

Refer to Chapter 4 for details on using this software.

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