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Extron electronics RGB 118 Скачать руководство пользователя страница 23

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

Glossary

Peaking - Peaking compensates for mid and high frequency RGB

Video Bandwidth response in data monitors and projectors and for
signal losses due to cable capacitance. When using the Peak
enhancements on the RGB 118 and RGB 118 PLUS interface,
please use the following guidelines for proper output settings:

__ Use with all computer frequencies between 15-125 kHz at any

cable length.

__

Use with high frequency computers of 36 kHz or higher with cable
lengths 75 feet or greater.

Serration - A vertical synchronizing pulse divided into a number of

small pulses, each acting for the duration of half a line in a
television system. Serrations are used to keep the horizontal
oscillator synchronized during the vertical sync pulse interval.

Sync - The synchronization signals or timing pulses which lock the

electron beam in step, both horizontally and vertically, with the
image signal. Also called Composite Sync, this signal is derived
from a composite or combination of horizontal and vertical drives,
with some slightly narrowed and delayed pulses, as well as, the
addition of equalizing pulses. It is one of the more popular signals
used in video systems today and when used is usually
accompanied by subcarrier.

TERMINATOR - A resistor at the end of a coaxial cable or line used

to match the impedance of the equipment being used. The
resistor absorbs signal energy to prohibit signal reflections back to
the source. This causes the source equipment to operate as if the
line is connected to equipment of equal impedance.

TTL - Transitor to Transitor Logic. Digital type signal, usually 4-5

volts peak to peak. Distance limitation is 6-10 feet. Signal
splitting is acceptable. TTL signals are either “ON” or “OFF” and
is characteristic of low resolution computers (CGA).

VGA - Video Graphics Array. Introduced by IBM in 1987, VGA is an

Analog signal with TTL level separate horizontal and vertical sync.
The video outputs to a high density 15 pin 3 row “D” type
connector and has a horizontal scan frequency of 31.5 kHz and
vertical frequency of 70 Hz (Mode 1, 2) and 60 Hz (Mode 3). The
signal is non-interlaced in modes 1, 2, 3 and interlaced when
using the 8514/A card (35.5 kHz, 86 Hz) in mode 4. It has a Pixel
x Line resolution of 640 x 480 with a color palette of 16/256,000.

_ For a more complete understanding of Computer Interfacing ask

about Extron’s “Introduction to Computer Interfacing” videocassette.
A training tool designed to provide the experienced or novice sales
person with the most concise information on Computer Interfacing.
Tape length 55 minutes.

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Содержание RGB 118

Страница 1: ...User s Manual RGB 118 RGB 118 Plus Computer Video Interfaces...

Страница 2: ...ternal 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 H...

Страница 3: ...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 c...

Страница 4: ...tron 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 Manua...

Страница 5: ...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 peaki...

Страница 6: ...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 Compa...

Страница 7: ...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...

Страница 8: ...al 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...

Страница 9: ...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...

Страница 10: ...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 follo...

Страница 11: ...Extron RGB 118 RGB 118 PLUS User s Manual Operation Page 2 4 Figure 1 Figure 2 Figure 3...

Страница 12: ...he red Horizontal H LED turns on push and hold the red SRI button in until a readout is obtained Anti static anti glare or EMI coatings on the face of the CRT may prevent the RGB 118 PLUS SRI from dis...

Страница 13: ...Extron RGB 118 RGB 118 PLUS User s Manual 3 Chapter Three RGB 118 RGB 118 PLUS Applications Extron s RGB 118 RGB 118 PLUS User s Manual...

Страница 14: ...of the interface 3 As a Sync Combiner Using the MBC RGBHV cable2 the RGB 118 can be used to combine separate horizontal and vertical sync to composite sync Connect the RGBHV signal to the MBC RGBHV c...

Страница 15: ...away Figure 1 The application diagram below Figure 2 demonstrates an RGB 118 PLUS combined with an MBC SPARC Buffer to interface a high resolution computer monitor workstation to a large screen proje...

Страница 16: ...SUN APOLLO MONO Workstation The application diagram below Figure 2 consists of two computers with RGB 118 and RGB 118 PLUS interfaces with access to a projector through a switcher Figure 2 The applica...

Страница 17: ...ter MAC Computer Extron Switcher Large Screen Projector LBC VGA Laptop Computer RGB 118 RGB 118 PLUS NeXT SGI or SUN WorkStation RGB 118 RGB 118 MBC IBM VGA XGA HR MBC MAC QUADRA HR MBC SPARC BUFFER S...

Страница 18: ...reen Data Projector or MBC VGA XGA HR MBC MAC QUADRA HR MBC IBM PCC The above diagram illustrates the versatility of Extron s 118 PLUS KIT P N in Appendix which includes the following items RGB 118 PL...

Страница 19: ...GB 118 RGB 118 PLUS User s Manual A Appendix A Other Reference Material Computer Compatibility and MBC Cables Accessories and Part Numbers Glossary Limited Warranty Extron s RGB 118 RGB 118 PLUS User...

Страница 20: ...RGB out on BNC Connectors Sun Sparc Stations Xerox 6085 and 1186 Computers MBC Cable Required MBC Amiga 2000 MBC Apple IIE MBC Mac II HR ICWK Mac RGB ICWK Mac SE RGB MBC Mac II HR MBC SuperMac MBC AT...

Страница 21: ...age A 2 Accessories and Part Numbers Extron Part Part Number RGB 118 115 Volt 60 080 01 RGB 118 230 Volt 60 080 02 RGB 118 PLUS 115 volt 60 080 05 RGB 118 PLUS 230 volt 60 080 06 118 PLUS Kit 115 volt...

Страница 22: ...in two level states and switches between these states in small increments of time Bits are Next Most Least Significant Conversion to analog is required for proper interfacing EGA Enhanced Graphics Ad...

Страница 23: ...today and when used is usually accompanied by subcarrier TERMINATOR A resistor at the end of a coaxial cable or line used to match the impedance of the equipment being used The resistor absorbs signa...

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