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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Black Box AC1021A-REC, 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 Black Box AC1021A-REC 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 Black Box AC1021A-REC. 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 Black Box AC1021A-REC should contain:
- informations concerning technical data of Black Box AC1021A-REC
- name of the manufacturer and a year of construction of the Black Box AC1021A-REC item
- rules of operation, control and maintenance of the Black Box AC1021A-REC 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 Black Box AC1021A-REC 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 Black Box AC1021A-REC, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Black Box 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 Black Box AC1021A-REC.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Black Box AC1021A-REC 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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Page 1
RGBHV V ideo with Ster eo Audio Fiber Optic T ransmission System JANU ARY 2005 AC1020A AC1021A-XMIT AC1021A-REC CUSTOMER SUPPOR T INFORMA TION Order toll-free in the U.S.: Call 877-877-BBO X (outside U.S. call 724-746-5500) FREE technical support, 24 hours a day , 7 days a week: Call 724-746-5500 or fax 724-746-0746 Mailing address: Black Box Corpo[...]
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Page 2
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Page 3
TRADEMARKS USED IN THIS MANUAL F EDERAL COMMUNICA TIONS COMMISSION AND CANADIAN DEP AR TMENT OF COMMUNICA TIONS RADIO FREQUENCY INTERFERENCE ST A TEMENTS Trademarks FCC sT a TemeNT AC1020A/A C1021A-XMIT/ AC1021A-REC This equipment generates, uses, and can radiate radio frequency energy and if not installed and used properly , that is, in strict acc[...]
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Page 4
NOm sT a TemeNT Normas Ociales Mexicanas (NOM) Electrical Safety Statement INSTRUCCIONES DE SEGURIDAD 1. T odas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado. 2. Las instrucciones de seguridad y operación deberán ser guardadas para refer - encia futura. 3. T odas las advertencia[...]
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Page 5
descrito en el instructivo de operación, o como se indique en el aparato. 12. Precaución debe ser tomada de tal manera que la tierra sica y la polarización del equipo no sea eliminada. 13. Los cables de la fuente de poder deben ser guiados de tal manera que no sean pisados ni pellizcados por objetos colocados sobre o contra ellos, poniendo pa[...]
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Page 6
4 AC1020A/A C1021A-XMIT/ AC1021A-REC INsT aLLa TION 9 Indicator LEDs: The transmitter and receiver units in the A1020A system each have three integral in - dicator LEDs that are used to monitor the state of the unit. Their status is as follows: TRANSMITTER and RECEIVER: Power: (Green) Indicates that correct power has been applied. TRANSMITTER: V id[...]
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Page 7
ITems INCLUded AC1020A/A C1021A-XMIT/ AC1021A-REC Depending on which product you ordered, you should have received: AC1021A-XMIT : Qty Description 1 AC1021A-XMIT T ransmitter 1 Power Supply 1 AC line cord 1 User Manual 1 HD15M - HD15M VGA cable, 6 ft. 1 3.5mm plug to 2xRCA(M) stereo audio cable, 6 ft. 1 3.5mm plug to 3.5mm plug stereo audio cable, [...]
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Page 8
Audio: Number of Audio Channels .................. 2, unbalanced Frequency Response ............................. +0/-0.5 dB, 20 Hz to 20 kHz Input Impedance .................................... >24 kOhms Output Impedance ................................. <1 Ohm Maximum Audio Level ......................... +10 dBu THD+N .....................[...]