Extron electronics RGB 118 PLUS User manual

User's Manual

RGB 118 & RGB 118 Plus

Computer-Video Interfaces

Contents

Introduction to the RGB 118 & RGB 118 PLUS ................................. Chapter 1

Introduction ..........................................................................................1-1

About this Manual.........................................................................1-1

Features .......................................................................................1-1

Specifications ...............................................................................1-2

Operation of RGB 118 & RGB 118 PLUS ........................................... Chapter 2

Front Panel ..........................................................................................2-1

Top Panel ............................................................................................2-2

Internal DIP Switches ..........................................................................2-3

Opening the RGB 118 & RGB 118 PLUS Case ...........................2-3

Changing a Switch Setting ...........................................................2-3

Setting Internal DIP Switches .......................................................2-3

Using the SRI (RGB 118 PLUS only) ..................................................2-5

Applications ......................................................................................... Chapter 3

Applications .........................................................................................3-1

Application Diagrams ...................................................................3-2

RGB 118/MBC VGA/XGA HR ...............................................3-2

RGB 118 PLUS/MBC SPARC Buffer ....................................3-2

RGB 118 PLUS/Hi Res ECL Buffer.......................................3-3

RGB 118/RGB 118 PLUS/SW 2 AR Switcher.......................3-3

Multiple RGB 118 & RGB 118 PLUS w/switcher...................3-4

118 PLUS Kit.........................................................................3-5

Other Reference Material..................................................................Appendix A

Computer Compatibility and MBC Cables .......................................... A-1

Accessories and Part Numbers .......................................................... A-2

Glossary ............................................................................................. A-3

Page i

RGB 118 & RGB 118 PLUS

User’s Manual

68-059-01

Rev. F

69-08

Extron • RGB 118 & RGB 118 PLUS • User’s Manual

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 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.

__ Additional information may be referenced in another section, or in

another document.

Extron • RGB 118 & RGB 118 PLUS • User’s Manual

Chapter One

Introduction to the

RGB 118 & RGB 118 PLUS

COMPUTER-VIDEO INTERFACES

Introduction

Features

Specifications

Extron’s RGB 118 & RGB 118 PLUS

User’s Manual

Extron • RGB 118 & RGB 118 PLUS • User’s ManualPage 1-1

Introduction to the RGB 118 & RGB 118 PLUS

Introduction

About This Manual

This manual contains connection, operation and application

information for the RGB 118 and RGB 118 PLUS universal

interfaces.

RGB 118 & RGB 118 PLUS Facts and Features

The Extron RGB 118 and RGB 118 PLUS are Universal

Computer-Video Interfaces compatible with computer monitor

video signals such as CGA, EGA, VGA, MCGA, IBM PS/2, MAC II,

Super VGA and more. Providing an RGB bandwidth range of 150

MHz (rise and fall time of 4 nS) and a horizontal frequency range

of 15-100 kHz, the RGB 118 and RGB 118 PLUS allow any

compatible computer to be connected via simple MBC or ICWK

input cable change.

Features

·Universal compatibility

·120 MHz RGB video bandwidth (-3db)

·LED power indicator

·Horizontal centering with ON/OFF switch

·Three position peaking/sharpness and gain control switch settings

·Variable gain controls (R,G,B)

·Serration pulse removal switch

·Sync on green switch for output

·Automatic sync stripping from RGB

·Blue enhancement (TTL only)

·MBC power output jack

·External control knobs

·Metal enclosure

·MBC interface cable required

·Simple installation and operation

* LCD scan-rate display of horizontal and vertical frequencies

* SRI – holding the RGB 118 PLUS up to the face of a computer’s

monitor will display the horizontal and vertical scan-rates on the

LCD readout without any attached input cables.

* Vertical centering with ON/OFF switch

* The bottom three features apply only to the RGB 118 PLUS

Extron • RGB 118 & RGB 118 PLUS • User’s Manual Page 1-2

Introduction to the RGB 118 & RGB 118 PLUS

Specifications

RGB 118 and RGB 118 PLUS

Dimensions.. 4.63” W x 4.75” D x 1.75” H

.. 11.7cm W x 12cm D x 4.4cm H

Shipping Weight.. 4 lbs. (1.8 kg)

Power Supply.. 12 volt 800 mA (wall mount)

Warranty.. 2 years parts and labor

.. (See Appendix)

Input Signal

Video.. Analog: .5 to 1.2 volts p-p

.. ECL: .8 to 1.0 volts p-p

Sync.. TTL: .3 to 5.0 volts p-p

.. Separate Sync TTL (±)

.. Composite Sync TTL (±)

Frequency

Compatibility.. 15 to 100 kHz horizontal

.. 30 to 150 Hz vertical

RGB Bandwidth.. 120 MHz (-3db)

Video Amplifier Bandwidth

(VAB).. 200 MHz

Actual Bandwidth (AB).. 120 MHz (-3db)

RGB 118 PLUS only

LCD Scan-Rate Range.. 10 to 125 kHz horizontal

.. 30 to 200 Hz vertical

RGB 118 RGB 118 PLUS

Extron • RGB 118 & RGB 118 PLUS • User’s Manual

Chapter Two

Operation of RGB 118 & RGB 118 PLUS

Front Panel

Top Panel

Internal DIP Switches

Using the SRI

Extron’s RGB 118 & RGB 118 PLUS

User’s Manual

Extron • RGB 118 & RGB 118 PLUS • User’s Manual

Operation

Page 2-1

Operation of RGB 118 and RGB 118 PLUS

Front Panel

The following descriptions are keyed* to the RGB 118 PLUS

drawings below and on the facing page.

A SRI Pushbutton Switch (RGB 118 PLUS ONLY)

Push and hold this button in to enable the RGB 118 PLUS SCAN-

RATE LCD to display the horizontal and/or the vertical scan rate

frequency of a monitor (See Using the SRI on Page 2-5 for details).

B Vertical Center Control (RGB 118 PLUS ONLY)

Turning this RGB 118 PLUS control shifts the displayed image up

or down if the Vertical Center Switch is in the ON position.

C Vertical Center Enable Switch (RGB 118 PLUS ONLY)

Enable/disable the RGB 118 PLUS Vertical Center Control – OFF

position disables and ON position enables.

D MBC Power Connector

Provides 12 VDC for Extron MBC Buffers.

E Universal 9 Pin Input Connector

The RGB 118 and RGB 118 PLUS video input is supplied through

this connector. Acceptable input types are TTL, Analog and ECL.

Connector pin assignments follow:

Pin # ANALOG DIGITAL (TTL or ECL)

1 Ground Ground

2 No Connection Red Prime

3 Red Red

4 Green/Sync on Green Green

5 Blue Blue

6 No Connection Green Prime

7 No Connection Blue Prime

8 Horizontal/Composite Sync Horizontal Sync

9 Vertical Sync Vertical Sync

F Horizontal Center Enable Switch

Enable/disable the Horizontal Center Control – Off position disables

and ON position enables.

G Horizontal Center Control

Turning this control shifts the displayed image to the left or right.

* – Letters next to the descriptions are keyed to the circled letters in the

drawings on this and the next page.

Extron • RGB 118 & RGB 118 PLUS • User’s Manual

Operation

Page 2-2

Top Panel

H Blue Enhance Control (Valid for TTL input only)

This control allows adjusting a blue text display to an easier to read

blue-green color.

I Scan Rate Indicator (SRI) LCD Panel (RGB 118 PLUS ONLY)

The LCD panel displays a monitor’s horizontal or vertical scan rate

frequency.

J V = Vertical Scan Rate (RGB 118 PLUS ONLY)

Indicates vertical scan rate is currently being monitored.

K H = Horizontal Scan Rate (RGB 118 PLUS ONLY)

Indicates Horizontal scan rate is currently being monitored.

L Peak Switches (All three switches must be set to same position.)

·Normal – Input to output signal = unity gain (gain = 1)

·Boost (Long Line Level Peaking) – Boost and Peak all frequencies

·High Frequency Peaking – Decreases “fuzziness” or “streaking”

associated with interfacing high frequency computers.

M Output BNC connectors (located on rear panel)

1 = R = RED video output

2 = G = GREEN video output

3 = B = BLUE video output

4 = S = Sync output

Extron • RGB 118 & RGB 118 PLUS • User’s Manual

Operation

Page 2-3

Internal DIP Switches

Internal DIP switch settings determine the operating mode of the

RGB 118 and RGB 118 PLUS. Changing the switch settings

requires removal of the top and bottom halves of the case as

described below.

Opening the RGB 118 or RGB 118 PLUS Case

To open the RGB 118 or RGB 118 PLUS case, remove the screw

from the bottom of the case (see Figure 1 on facing page). This

enables removal of the top and bottom halves of the case as

shown in Figure 2.

Changing a Switch Setting

The switches on the DIP switch module used in the RGB 118 and

the RGB 118 PLUS are the slide type (see drawing, Figure 3 on

facing page). To change the position of the slide switch, a small

screw-driver is used to push (slide) the switch to the desired

position (enable or disable).

Setting Internal DIP Switches

Internal DIP switches SW3-1,2, SW4-1, 2, 3 and SW5-1,2 affect

RGB 118 and RGB 118 PLUS operation as follows:

SW3-1 SW3-2 Serration/LCD Switch

F1OFF OFF Normal – Serration pulses remain w/output sync

OFF ON Serration pulses are removed from output sync2

SW4-1 SW4-2 SW4-3 Analog Output Switch

F1ON OFF OFF Normal

ON OFF ON Sync on Green3

OFF ON ON Sync on Mono4

SW5-1 SW5-2 TTL Mode Switch

F1OFF OFF Normal

ON OFF 64 Colors < 18 KHz

X ON 16 Colors > 18 KHz

Notes:

1. F = Factory setting

2. Required by some projectors

3. When setting the RGB 118 for Sync on Green, you must also

disconnect the BNC cable from the external “Sync”output of the

RGB 118 and RGB 118 PLUS. Otherwise, sync is output on both

green and the composite sync output which may cause

abnormal levels of green to appear on the presentation display.

4. Monochrome Composite – Use the Green output only.

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