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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of NHT A-20, 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 NHT A-20 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 NHT A-20. 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 NHT A-20 should contain:
- informations concerning technical data of NHT A-20
- name of the manufacturer and a year of construction of the NHT A-20 item
- rules of operation, control and maintenance of the NHT A-20 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 NHT A-20 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 NHT A-20, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the NHT 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 NHT A-20.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the NHT A-20 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
Copyright 2001 NHTPro, a Recoton Corporation Brand A-20 Owners Manual A-20 Left Monitor Serial Number: A-20 Right Monitor Serial Number: A-20 Control Amplifier Serial Number:[...]
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Page 2
CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN W ARNING: SHOCK HAZARD-DO NOT OPEN. A VIS: RISQUE DU CHOC ELECTRONIQUE- NE P AS OUVRIR. Safety Instructions -- Please Read First DETAILED SAFETY INSTRUCTIONS: All the safety and operation instructions should be read before the appliance is operated. Retain Instructions: The safety and operating instruction[...]
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Page 3
Rack Rail A-20 Amplifier Front Panel Screws Insulating Washers Fig. 1: Rack Mounting Detail INTRODUCTION: GETTING STARTED: Thank you for your selection of the A-20. Your studio monitors are a critical element in the countless decisions made during recording, mixing, mastering and other key aspects of audio production. They must deliver a transparen[...]
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Page 4
SYSTEM CONNECTIONS: CONTROL AMPLIFIER INPUT SECTION: SPEAKER CABLE CONNECTIONS: CAUTION: CAUTION: MAKE ALL CONNECTIONS WITH THE AC POWER OFF! CONNECTING THE OUTPUT OF THE A-20 CONTROL AMPLIFIER TO ANY EQUIPMENT OTHER THAN THE A-20 OR C-20 MONITOR MAY CAUSE EQUIPMENT DAMAGE. The A-20 Control Amplifier accepts both balanced and unbalanced inputs on e[...]
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Page 5
USING THE A-20 CONTROL FUNCTIONS: POWER INDICATORS: SYSTEM STATUS DISPLAY: SENSITIVITY: The A-20 controls are designed for utility and repeatability under varying conditions. You should find the effects of the controls sonically subtle, with little impact on the basic character and accuracy of the speaker. We encourage experimentation to fine tune [...]
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Page 6
BOUNDARY CONTROL: POSITION CONTROL: Reflective boundaries, such as floors, walls, even table tops, reinforce a speaker’s low frequency output. Conversely, placing speakers out into a room decreases bass response. The highest low frequency output is with the BOUNDARY control in the “0” position, which assumes no significant boundary reinforcem[...]
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Page 7
SPEAKER PLACEMENT: SYSTEM OPERATION: A-20 MONITOR SYSTEM CARE: NEED HELP? The A-20 Monitor System is intended to provide consistent performance over a wide range of placement situations. This is accomplished through the use of electrical controls, wide dispersion drivers, advanced enclosure design and carefully chosen crossover characteristics. Nev[...]
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Page 8
SYSTEM SPECIFICATIONS: PERFORMANCE SPECIFICATIONS: FEATURES/CONTROLS: Type: Modular, two- piece powered near/mid/far field monitor. Configuration: 2-way acoustic suspension. Woofer: 6.5" curvilinear treated paper. Butyl surround. Tweeter: 1" metal dome, textile surround, ferrofluid cooled and damped. Magnetic Shielding: Partial, 12-18” [...]