NAD C420 manual

1
2
3
4
5

Go to page of

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of NAD C420, 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 NAD C420 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 NAD C420. 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 NAD C420 should contain:
- informations concerning technical data of NAD C420
- name of the manufacturer and a year of construction of the NAD C420 item
- rules of operation, control and maintenance of the NAD C420 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 NAD C420 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 NAD C420, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the NAD 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 NAD C420.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the NAD C420 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

    NAD C 420 stereo AM/FM tuner . NAD Electronics International, 633 Granite Court, Pickering, Ontario, Canada L1W 3K1, (800) 263-4641, www .NADelectronics.com. $249 U.S. Dimensions: 435mm W × 70mm H × 285mm D. Net weight: 8.8 lbs (4kg). W arranty: two years parts and labor . Parasound TDQ-150 stereo tuner . Parasound Products , Inc., 950 Battery St[...]

  • Page 2

    steps of 50kHz. Th e AM tuning steps are 10kHz (9kHz f or the 230V ver sion). The RDS PS (Pr ogram Service) automatically display s the nam e of the r adio station y ou are listenin g to. Th e RDS RT (Radio T ext) butt on displays an y additional inf orma- tion broa dcast b y the r adio sta- tion, such as pr ogram f ormat, song titles , and so on. [...]

  • Page 3

    62 audioXpress 6/02 www .audioXpress.com ■ By Nancy and Duncan MacArthur Some years ago we moved toward a minimalist audio system: one source, one volume control, one amplifi- er , and one set of speakers. In the process we elimi- nated much equipment, including our old Dynaco FM-5 tuner . In the intervening years we forgot how much fun playing w[...]

  • Page 4

    eight in dividual wires . The shiel ded MOSFET RF fr ont en d sits ju st be- hind th e two an tenna connect ors . A San yo LA7218 an d LA1837 chip set handl es PLL frequen cy s ynth e- sis and AM/FM tunin g and RDS d e- coding oper ations . The EEPR OM preset st ora ge m emory chip is und er the wid e ribbon cable . The FM tun er appears t o have a[...]

  • Page 5

    mance w as 54dB at 1kHz. THD + N at 1kHz was 0.087% mon o, and 0.29% ster eo. During distortion testin g, I enga ged th e test set 80kHz lo w-pass filter to limit the out-o f-band n oise . THD from 100–10kHz, m ono, did n ot ex ceed 0.22%. The m ono au dio distortion residual w avef orm s hows mainly the secon d harmonic , ov erlaid with noise . [...]