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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Gefen ex-tend-it 4x4 HDTV Matrix, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Gefen ex-tend-it 4x4 HDTV Matrix one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Gefen ex-tend-it 4x4 HDTV Matrix. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Gefen ex-tend-it 4x4 HDTV Matrix should contain:
- informations concerning technical data of Gefen ex-tend-it 4x4 HDTV Matrix
- name of the manufacturer and a year of construction of the Gefen ex-tend-it 4x4 HDTV Matrix item
- rules of operation, control and maintenance of the Gefen ex-tend-it 4x4 HDTV Matrix item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Gefen ex-tend-it 4x4 HDTV Matrix alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Gefen ex-tend-it 4x4 HDTV Matrix, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Gefen service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Gefen ex-tend-it 4x4 HDTV Matrix.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Gefen ex-tend-it 4x4 HDTV Matrix item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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4x4 HDTV Matrix USER MANUAL www .gefen.com[...]
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T echnical Support : T elephone (818) 772-9100 (800) 545-6900 Fax (818) 772-9100 T echnical Support Hours: 8:00 AM to 5:00 PM Monday through Friday . Write T o: Gefen Inc. c/o Customer Service 20600 Nordhoff Street Chatsworth CA 9131 1 www .gefen.com support@gefen.com Notice Gefen Inc. reserves the right to make changes in the hard ware, packaging [...]
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T ABLE OF CONTENTS Introduction / Operation Notes Features Panel Layout Using the 4x4 HDTV Matrix RMT16-IR Installation Dip Switch Guidelines IR Codes RS-232 Interface 4x4 HDTV Matrix Rack Mount Diagram Speci fi cations T erminology W arranty 1 2 3 4 5 6 7 8 9 10 11 12[...]
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INTRODUCTION Thank you for purchasing the 4x4 HDTV Matrix. The 4x4 HDTV Matrix switches four HDTV sources to any four DVI displays. The 4x4 HDTV Matrix switcher has four DVI inputs and four DVI outputs. Matrix input #1 and the DVI port of source #1 connects using a male to male DVI cable. The DVI port of source #2 connects to DVI input #2. The DVI [...]
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2 FEA TURES Features • Allows any DVI/HDMI display to view any source at any time • Allows any source to be displayed on multiple displays at the same time • Maintains resolutions up to 1080p, 2K, and 1920x1200 • Maintains highest DVI single link video resolution • Supports HDCP compliant devices • DVI or DVI to HDMI cables are used to [...]
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P ANEL LA YOUT 3 Display 1 LED Indicator Front Panel RS232 Controller Port Display 2 LED Indicator Display 3 LED Indicator Display 4 LED Indicator IR Sensor IR Extender Eye Port Power Indicator Back Panel Connects to 24VDC Power Supply DVI Inputs DVI Outputs[...]
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Connect all the sources to the HDMI inputs on the 4x4 HDTV Matrix, using the supplied cables. Connect the HDMI/DVI displays to the outputs on the 4x4 HDTV Matrix. Connect the 24VDC powersupply to the 4x4 HDTV Matrix Controlling the 4x4 HDTV Matrix using the RMT16-IR: Pressing Buttons... Switches... 1-4 Display 1 to view Source 1, 2, 3, or 4 5-8 Dis[...]
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5 RMT16-IR Installation 1. Remove battery cover from the back of the RMT16-IR remote. 2. V erify that dip switches 1 & 2 are in the down (OFF) position. 3. Insert the battery , hold the battery so that you can see the positive side facing up. The side that is not marked must be facing down. 4. T est the RMT16-IR remote by pressing ONL Y one but[...]
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6 DIP SWITCH GUIDELINES Extended display identi fi cation data (EDID) is a data structure provided by a display to describe its capabilities to any source that asks for it. The EDID includes manufacturer name, product type, timings supported by the display , display size, luminance data, (for digital displays only) pixel mapping data, supported au[...]
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7 IR CODES In the event of IR con fl icts, please do the following: 1. Remove the battery cover from the back of the RMT16-IR remote. 2. Locate the Dip Switches above the batteries 3. Switch the Dip Switches on the RMT16-IR to any of the combinations pictured below . 4. Dip Switches 1 and 2 in the RMT16-IR correspond with Dip Switches 3 and 4 insi[...]
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RS-232 INTERF ACE 8 Binary T able ASCII Corresponding RMT16-IR Button Binary ASCII Corresponding RMT16-IR Button Binary 1 1 001 1 0001 9 9 001 1 1001 2 2 001 1 0010 a 10 01 10 0001 3 3 001 1 001 1 b 1 1 01 10 0010 4 4 001 1 0100 c 12 01 10 001 1 5 5 001 1 0101 d 13 01 10 0100 6 6 001 1 01 10 e 14 01 10 0101 7 7 001 1 01 1 1 f 15 01 10 01 10 8 8 001[...]
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4x4 HDTV MA TRIX RACK MOUNT DIAGRAM 9[...]
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Video Ampli fi er Bandwidth ................................................................................ 1.65 Gbps Input Video Signal ......................................................................................... 1.2 volts p-p Input DDC Signal .................................................................................... 5 vol[...]
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DDC Short form for Display Data Channel. It is a VESA standard for communication between a monitor and a video adapter . Using DDC, a monitor can inform the video card about its properties, such as maximum resolution and color depth. The video card can then use this information to ensure that the user is presented with valid options for con fi gur[...]