Extron electronics RGB 118 PLUS Manuale utente
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
1
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
2
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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