Go to page of
A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of LA Audio Electronic EQ231G-SP, 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 LA Audio Electronic EQ231G-SP 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 LA Audio Electronic EQ231G-SP. 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 LA Audio Electronic EQ231G-SP should contain:
- informations concerning technical data of LA Audio Electronic EQ231G-SP
- name of the manufacturer and a year of construction of the LA Audio Electronic EQ231G-SP item
- rules of operation, control and maintenance of the LA Audio Electronic EQ231G-SP 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 LA Audio Electronic EQ231G-SP 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 LA Audio Electronic EQ231G-SP, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the LA Audio Electronic 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 LA Audio Electronic EQ231G-SP.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the LA Audio Electronic EQ231G-SP 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
-
Page 1
Dual 31 Band Graphic Equaliser & Dy namics Processor User Manual[...]
-
Page 2
User Manual Copy right © LA Audio 2004 2 Copy right Copyright 2004. A ll rights reserved. The inf ormation in t his document is subject to change without notice. Audient plc makes no warrant y of any kind with respect to the m aterial in this document and shall not be liable for er rors contained her ein or for incidental or consequential dam ages[...]
-
Page 3
User Manual Thank you © LA Audio 2004 3 Thank y ou fo r buying this product. As can be found t hroughout the LA Audio range, your EQ231G-SP has been desig ned and manuf actured to the hig hest possible standar ds of perf ormance and r eliability. To make the m ost of your unit, we suggest that you take som e time to acq uaint yourself with the con[...]
-
Page 4
User Manual Contents © LA Audio 2004 4 Contents IMPORTANT SAFETY INST RUCTI ONS 5 Safet y Inform ation 6 1. Intr oduction 7 2. Installat ion 8 3. Operat ing Instr uctions 11 4. Applications & T echniques 13 5. Block Diag ram & Specif ications 17 6. Repairs and W arranty 19[...]
-
Page 5
User Manual IMPORTANT SAFETY INSTRUCTIONS © LA Audio 2004 5 IMPORTA NT SA FETY INSTRUCTIONS WARNING THIS EQUI PMENT MUST BE EA RTHED. DO NO T EXPO SE TO RAIN OR MOIST URE. PLEA SE REA D A LL OF THE FOLLOWING INSTRUCTIONS A ND SA VE THEM FOR LA TER REFERENCE BEFORE A TTEMPTING TO CONNECT YOUR UNIT TO THE A C POWER SOURCE. CAUTION ATTENTION RISK OF [...]
-
Page 6
User Manual Safety Inform ation © LA Audio 2004 6 Safety Information EARTH This unit is connect ed via its power cord to the mains saf ety earth. NEVER OPERAT E THE UNI T W ITH T HIS EART H CONNECTI ON REMOVED. COVERS DO NOT remove the covers. Refer servicing to qualified personnel only. VOLTAG E The EQ231G -SP is set to oper ate only at the volta[...]
-
Page 7
User Manual 1. Introduction © LA Audio 2004 7 1. Introduction The EQ231G -SP is a high q uality dual 31-band 1/3 octave gr aphic equaliser including variable Hi and Lo-pass filt ers, Shelving EQ, Gate and Limit er. The G raphic Eq ualiser f eatures centre det ented, 45mm faders which give up to 12dB of cut and boost at 31 I SO centre f requencies,[...]
-
Page 8
User Manual 2. Installation © LA Audio 2004 8 2. Installation It is i mport ant to read this sect i on bef ore appl ying power to the uni t. 2.1. Inspect i on and unpacki ng The EQ 231G-SP is caref ully packed at t he fact ory in a carton which is designed to withstand handling in transit . However if transit damage is evident, DO NOT discard any [...]
-
Page 9
User Manual 2. Installation (contd.) © LA Audio 2004 9 2.4. External connect i ons The input and out put connectors ar e wired on female and male XLRs respectively, wired as follows: Pin 1: Ground Pin 2: Hot balanced sig nal Pin 3: Cold balanced signal 2.5. Im pedance & Terminati on Most modern audio systems have cable runs of less t han 100 m[...]
-
Page 10
User Manual 2. Installation (contd.) © LA Audio 2004 10 2.6. Sig nal lev els The unit is desig ned to accept an input sig nal level of up to +20dBu (dB refer red to 0.775Vrms) . Above this, clipping ( distortion) of t he signal will occur. It should be not ed that the f ilter amplifier s may be driven into distort ion by ex cessive boost in the un[...]
-
Page 11
User Manual 3. Operating Instr uctions © LA Audio 2004 11 3. Operating Instructions 3.1. Control s 1. EQ faders allow high-r esolution cont rol over EQ gain at 31 ISO f requencies. The f requency is indicated on the f ront panel, as are the amount s of cut and boost, between –12 and +12 dB. Each f ader has a centre det ent, which allows you to q[...]
-
Page 12
User Manual 3. Operating Instr uctions (c ontd.) © LA Audio 2004 12 5. Shelving Filter Bypass sw itch allows the f ilter t o be taken out of circ uit. This allows you to hear its eff ects when compared to the unf ilter ed sound, and also to allow low frequencies to pass unaf f ected. 6. Shelving Filter Frequency rotary potentiomet ers enable contr[...]
-
Page 13
User Manual 3. Operating Instr uctions (c ontd.) © LA Audio 2004 13[...]
-
Page 14
User Manual 4. Applications & T echniques © LA Audio 2004 14 4. A pplications & Techniques A graphic eq ualiser may be used in numerous sit uations, in many diff erent ways. It is impossible to document every implementation, but we hope that the f ollowing examples will serve as a useful starting point. 4.1. Some Examples a) Room equalisat[...]
-
Page 15
User Manual 4. Applications & T echniques ( contd.) © LA Audio 2004 15 technique is q uite common in r ecording or pr oduction studios to t ailor a sound for its eventual reproduction medium . c) Elimina tion of "sib ilance" Sibilance is t he noise which occurs when someone is speaking who either has a "hissy" voice or who [...]
-
Page 16
User Manual 4. Applications & T echniques ( contd.) © LA Audio 2004 16 Another useful eff ect t hat can be created with a graphic EQ is a ‘Comb Over’. T o give a mono source some int erest in a stereo m ix, the graphic eq ualiser can be used to create variances in each side of the stereo sig nal, thereby widening the sound. Route the m ono[...]
-
Page 17
User Manual 4. Applications & T echniques ( contd.) © LA Audio 2004 17 compressor or limiter. Placing the gr aphic equaliser af ter dynamics could cause the compressor or limiter to r eact to f requencies not audible in the output, creating unusual undulations in volume not associated with the prog ram m aterial. The second reason f or placing[...]
-
Page 18
User Manual 5. Block Diagram & Specific ations © LA Audio 2004 18 5. Block Diagram & Specificat ions 5.1 Block Diagram[...]
-
Page 19
User Manual 5. Block Diagram & Specific ations (contd.) © LA Audio 2004 19 5.2 Specifi cat i ons Frequency Response 20 Hz - 20 kHz, -1dB Signal to Noise Rat io @ +4dBu output -96dB Input impedance 20 k Ω balanced Output im pedance 100 Ω balanced Max imum O utput Level (into 600 Ω Load, 1 k Hz, 600 Ohms Load) +20dBu Total Har monic Distor[...]
-
Page 20
User Manual 6. Repairs and warranty © LA Audio 2004 20 6. Repairs and w a rranty The EQ 231G-SP is a rug gedly construct ed solid-state unit that req uires no preventative or routine m aintenance. The unit is constr ucted fr om the highest quality components, which are selected to provide consistent, long- lasting perf ormance. Each unit is ‘soa[...]