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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Toa MX-104, 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 Toa MX-104 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 Toa MX-104. 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 Toa MX-104 should contain:
- informations concerning technical data of Toa MX-104
- name of the manufacturer and a year of construction of the Toa MX-104 item
- rules of operation, control and maintenance of the Toa MX-104 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 Toa MX-104 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 Toa MX-104, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Toa 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 Toa MX-104.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Toa MX-104 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
Operating Instruction M anual T O A POWERED MIXER Model MX-104 T O A ELECTRIC C O., LTD. KOBE, JAPAN[...]
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Page 2
1 . X LR Type Audio Connector T he connectors a re wi red a s follows. 2 . Description of components an d functions o n the MX-104. Various descriptions a re applied, depending o n eac h m anufacturer. I n o ur Ope rati ng a nd Instruction Manual explanation of components an d functions i s made according to our usage for t he m. General Descriptio[...]
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Page 3
Features 1 . Four input channels 2 . 1 0 0 watts into 8 ohms, 1 5 0 watts into 4 o hms 3 . Patchable 5-band graphic E Q 4 . Au to Com p compression unit w/LED 5 . Built-in spring reverb 6 . Power amp protection circuitry w/LED 7 . F ul l patch bay 8 . Aux input w/level control, R C A jacks a nd parallel phone 1/4" jacks. 9 . Reverb level to PG[...]
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Page 4
High Equalizer Control (HIGH) Th e high EQ control alters the hi gh frequency response of t he inpu t channel, providing ± 13dB at 10kHz, an d ±15dB a t 20kHz of continuously variable active shelving equalization. The " 0 " detented position provides fl at audio response. Lo w Equalizer Control (LOW) T he low EQ control provides ±13dB [...]
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Page 5
Rear Pane l Power S wi t ch ( POWER) The power s w itch i s a three- position type wi th the middle position being th e "off position. The MX-104 should be operated in the switch position which produces the lowest am ount o f system hum. Speaker J ac ks (SPEAKERS) Th e speaker outputs a re stand- ard 1 / 4 " phone jacks wir ed i n paralle[...]
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Page 6
SPEAKER SYSTEM (Self powered speak ers MAI N SPEAKER SYSTEM for foldback TO A model SM-2 5A) From Speaker j ac k on Rear Panel Lo w Z input should b e connected with low impedance (5 0 ohm ~ 6 0 0 ohm ) microphones MUSICAL INSTRUMENT CASSETTE TAPE DECK for playback KEYBOARD — 5 — Connection Examples[...]
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Page 7
Generally speaking, there ar e two rules to follow when c onnecting equipment outputs to the inputs of other equipment. 1 . Properly m atch the impedances of t he outputs a n d inputs. 2 . Connect low i m pedance o utp uts to hi gh impedance inputs. It goes w ithout saying t ha t n ot o nly input an d output im pedance matching, but als o level mat[...]
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Page 8
BLOCK DIAGRAMS LEVEL DIAGRAM — 7 — Block an d Leve l D ia gr am s[...]
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Page 9
MIX ER SECTION Frequency Response +0, -3dB 60Hz~20kHz ( i n pu t LEVEL at " 5 " position) Total Harmonic D istortion 0.05% +4dB* at 1k Hz. Hum and Noise (Open) Equivalent Input No is e -130dB* (20Hz ~ 20kHz) Equivalent Input Noise -133dB* (IHF A) All level Controls M inimum -110dB* ( I H F A ) P GM Master at MA X and all input level contr[...]
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Page 10
LO W Z HIG H Z IN & I NPUT EQ (LEVEL C ontrol ) HI GH Z IN . & INPU T EQ (se t at " 5 " ) GEQ POWE R A M P POWE R B AN D WIDT H PO WE R AM P T . H . D . v s POWE R OUTPUT POWE R AM P COMPRESSO R REVERBERATIO N FREQUENC Y RESPONSE — 9 — Characteristics Diagrams Appearance[...]
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Page 11
TOA ELECTRIC CO., LTD. KOBE, JAPAN Printed in Japan 133-02-690-80[...]