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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Theta Digital Intrepid, 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 Theta Digital Intrepid 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 Theta Digital Intrepid. 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 Theta Digital Intrepid should contain:
- informations concerning technical data of Theta Digital Intrepid
- name of the manufacturer and a year of construction of the Theta Digital Intrepid item
- rules of operation, control and maintenance of the Theta Digital Intrepid 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 Theta Digital Intrepid 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 Theta Digital Intrepid, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Theta Digital 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 Theta Digital Intrepid.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Theta Digital Intrepid 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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THETA DIGITAL CORPORATION Intrepid Owner’s Manual[...]
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PREF A CE CONGRA TULA TIONS You have just acquired one of the mo st advanced and versatile com ponents for the am plification of audio ever to have been developed. IMPORTA NT Save all pack aging in a dry place away from fire hazards. Your Intrepid is a precision electronic instrument and should be properly pack aged any time shipm ent is m ade. In [...]
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ii The lightning flash with arr owhead symbol , within an equil ateral triang le, is intended to alert the user to the presence of uninsulated “danger ous voltage” within the product’ s enclosure that may be of significant mag nitude to constitute a risk of electric shock to per sons. The exclamation point wi thin an equilater al triangl e is[...]
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iii Intrepid Identification Record This infor mation is f or your records and for f uture identification of the Intrepid. Please tak e a m oment to f ill out all pertinent data now, and as upgrades and/or options are installed. Whene ver upgrades, inquiri es and/or changes are requested, the serial number will be required. S E R I A L N U M B E R D[...]
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iv SA FETY PRECA UTIONS Please c arefully read eac h item of the operating instruc tions and saf ety precautions before ins talling and using this product. Us e extra care to f ollow the warnings written on the product itself and/or in the operating instructions . Keep the operating instruc tions and safety precautions f or future r eference. CA UT[...]
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v Table of Contents PREFAC E ........................................................................................................................ ................................... i WARNING ...................................................................................................................................................... ii [...]
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1 INTRODUCTIO N Getting to know y our Intrepid This Intrepid has been put through a rigorous and unique testing procedur e that ensures that it will last for many y ears with m inimal s ervice requirem ents. T his proc edure includes the f ollowing: • All assem bled circ uit boards are given a thorough vis ual inspection and are then tes ted in a[...]
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2 IMPORTA NT NOTICE I. It is im perative that the Intrepid be connec ted to a ground via its three wire AC power cord. It is impor tant that the AC power outlet, which the Intrepid is plugged into, is ac tually grounded. Failure to do so will severely compr omise the per form ance, reliability and safety of use of the Intr epid. II. Ventilation is [...]
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3 Intrepid Block Diagram Figure 1 - Block Diagram (Intrepid show ing one output module)[...]
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4 Front Panel Lay out Figure 2 - Front Panel Lay out 1. STANDBY button. After the rear panel MA IN P OWE R switch is turned on press the f ront panel ST A NDBY button to exit the standby mode. All channels will come out of standby. 2. STANDBY LED. Illuminates r ed when the power amplifier is in STANDBY , green when the amplif ier is active. 3. THE [...]
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5 Rear Panel Lay out Figure 3 – Rear Panel Lay out showing the optional RS-232 Jacks installed 1. BINDING POST . Connec t plus and m inus speaker wires for one s peaker to appropr iately m arked ter minals of each post. T he binding posts can ac cept spade lugs, banana plugs or bare wire. 2. SINGLE-ENDED input jack . 3. BA LA NCED input jack . 4.[...]
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6 OPERA TION Before tur ning on the Intrepid, ensure that all prec autions and warnings have been carefully reviewed and adhered to. Damage to the Intr epid caused by improper operation, wiring and/or ventilation will not be covered under warr anty and Theta will not be liable f or any cons equential damage or loss. Connecting the Intrepid W ith th[...]
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7 A ppendix A Troubleshooting Guide If the Intrepid s hould function abnorm ally during operation, please review the item s in the following check list. Please be sure to thoroughly chec k all other c onnected com ponents suc h as speak ers, pream plifier s, as well as cables. Symptom Possible Cause(s) Remedy No power or front panel lights and no s[...]
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8 A ppendix B Wiring Diagram This section provides an exam ple illust ration of an input and output wiring schem e. Befor e mak ing any connections, please tur n off ALL audio and video devices. Unplug those that do not have a m ain power switch. It is recom mended that all cables, including s peaker c ables be kept as short as pos sible for bes t [...]
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9 A ppendix C RS232 Protocol RS232 settings are inter nally def inable via jumper block s, to acc omm odate interf acing with a wide range of control products. Baud rate 9600 or 19200 Echo status AUTO or REQUEST Baud rate: Maxim um num ber of bits per sec ond. The duration of a single bit is equal to 1 / baud rate. Echo s tatus: Specifies whether t[...]
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10 Comm and Descripti on Argum ent 1 Argum ent 1 Description Argum ent 2 Argum ent 2 Desc Argum ent 3 Arg 3 Desc 01 Standby 0 Main standby 0 Put unit in standby 0 Main s tandby 1 Tak e unit out of standby. 02 Status 0 Return am plifier st atus. The RS232 c an be set using a hardware jum per to autom atically send changes to the RS232 port. Five by [...]
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11 RS232 Hardware Connections Figure 5 – Intrepid RS232 Jack Pinout[...]
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12 Figure 6 – Intrepid RS232 Jumper Settings RS232 Jumper Settin gs There ar e 2 possible Baud rates: 9600 and 19200 . The fac tory default is 19200 . To change the baud r ate to 9600 , move the j umper to the center and top pins (if the RS232 board is orientated as in figure 6). The STATUS can be returned to the c ontroller either: autom aticall[...]
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13 A ppendix D Specifications Inputs: Analog audio : 1 Single-ended per channel (RCA). 1 Balanced per channel (XLR). Input Impedance: 50 K Ω Single-Ended or Balanced, for each phase. Input sensitivity: (Single-Ended) 1.5V RM S input for 100W into 8 ohms. (Balanced) 0.75V RM S input for 100W into 8 ohms. Gain: (Single-Ended) 25.5dB (19x). (Balance[...]
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90 DAY LIMITED W ARRANT Y TERMS AND CONDITIONS (3 Year optional extended servic e contract) GB 1.01 14 1. Theta Digital Corporation, henceforth referred to as T heta, warrants the product designated herein to be free of manufacturing defects in material and w orkmanship, subject to the conditions set forth herein, for a period of 90 days from the d[...]