NAD M51 manual

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A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of NAD M51, 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.

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The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of NAD M51 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.

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First and foremost, an user manual of NAD M51 should contain:
- informations concerning technical data of NAD M51
- name of the manufacturer and a year of construction of the NAD M51 item
- rules of operation, control and maintenance of the NAD M51 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 M51 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 M51, 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 M51.

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It is mostly in the manuals where we will find the details concerning construction and possibility of the NAD M51 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

    ENGLISH FRANÇAIS ESP AÑOL IT ALIANO DEUTSCH NEDERLANDS SVENSK A РУС СКИЙ ® O wner ’ s Manual M 51 Dir e c t Digita l D A C[...]

  • Page 2

    SA VE THESE INSTR UCTIONS FOR LA TER USE. FOLL OW ALL W ARNINGS AND INSTRUCTIONS MARKED ON THE A UDIO EQUIPMENT . 1 Read instructions - All the safety and operating instructions should be read befor e the product is operated. 2 Retain instructions - T he safety and operating instructions should be retained for futur e refer ence. 3 Heed W arnings -[...]

  • Page 3

    19 Damage Requiring Service - Unplug this product from the wall outlet and refer servicing to qualied service personnel under the following conditions: a) When the power supply cord or plug is damaged . b) If liquid has been spilled, or objects have fallen into the product. c) If the product has been exposed to rain or water . d) If the product [...]

  • Page 4

    NOTES ON ENVIRONMENT AL PRO TECTION At the end of its useful life, this pr oduct must not be disposed of with regular household waste but must be returned to a collection point for the recycling of electrical and electronic equipment. The symbol on the product, user’ s manual and packaging, point this out. The materials can be reused in accordanc[...]

  • Page 5

    INTRODUCTION GET TING ST ARTED THANK Y OU FOR CHOOSING NAD . M51 Direct Digital DAC is another ex cellent product that exemplies NAD’ s unique Direct Digital technology . The M51 uses a v ery power ful processing engine that operates at much higher speed and with much gr eater accuracy than typical D -to-A converters. Running at 108 MHz, the M[...]

  • Page 6

    1 ST ANDBY BUTTON • P ress this butt on to switch ON the M51 from standby mode . The Standby LED indicator will turn from amber to blue and illuminate the VFD. • P ressing the ST ANDBY button again turns the unit back to standby mode. NOTE In order to turn ON the M51 from standby mode or back to standby mode, the rear panel POWER switch m[...]

  • Page 7

    1 UNBALANCED • Use a twin RCA-to-RCA lead to connect these sockets to the left and right analog input of a receiver or amplier . 2 BALANCED • C onnect these XLR connectors to the corresponding XLR input of professional audio ampliers . • Ensur e that proper pin congurations are f ollowed – P in 1: Ground, Pin 2: P ositive [...]

  • Page 8

    10 IR IN • T his input is connected to the output of an IR (infrared) repeater (Xantech or similar) or the IR output of another component to allow control of the M51 from a r emote location. 11 POWER • Supply the A C mains power to the M51. • When the POWER switch is set t o ON position, the M51 goes to standby mode as shown by the a[...]

  • Page 9

    1 ON: Switch ON M51 from standby mode . OFF: Switch M51 t o standby mode. 2 AES/EBU, HDMI 1, C O AX, USB , HDMI 2, OPT : Select source input. 3 SETUP: Bring up Volume Setup menu. POLAR.: Bring up Polarity settings menu. 4 DIM: Reduce or restore VFD br ightness (5 levels of brightness). DISPLA Y : Use in renaming a Sour ce. 5 CD: Command a compatibl[...]

  • Page 10

    NAD USB A UDIO In order to stream your computer audio via M51, ensur e that the Sound or Audio device setting of your computer is set to “NAD Audio 2.0 Output” . A NAD USB Audio driver can be downloaded via the NAD website link http://nadelectronics.com/products/masters-series/M51-Direct- Digital-DA C . Download “NAD USB Audio driver” from [...]

  • Page 11

    CONDITION POSSIBLE CA USES POSSIBLE SOL UTIONS No USB audio. • NAD USB Audio is not installed in your PC. • Download NAD USB Audio driver from NAD website and install to your PC. • Sound or Audio device setting of your PC or Mac is not set to “NAD Audio 2.0 Output” . • Set your PC or Mac Audio or Sound device setting to “N[...]

  • Page 12

    OVERALL SPECIFICA TIONS Rated distortion (THD+N with AES 17 lter) <0.0005% (ref . 1 kHz 0 dBFS) <0.002% (ref . 1 kHz -60 dBFS) IM distortion <0.0001% Signal-to-noise ratio < -123 dB (ref . 0 dBFS 2V out) Channel separation > -115 dB (ref . 0 dBFS V olume -1dB) Sample rate 32 kHz to 192 kHz (USB and digital S/PDIF) Frequency respon[...]

  • Page 13

    13 ENGLISH FRANÇAIS ESP AÑOL IT ALIANO DEUTSCH NEDERLANDS SVENSK A РУС СКИЙ[...]

  • Page 14

    ww w .NADelectronics.com ©2012 NAD ELECTRONICS INTERNA TIONAL A DIVISION OF LENBROOK INDUSTRIES LIMITED All rights reserved. NAD and the NAD logo are trademarks of NAD Electronics International, a division of Lenbrook Industries Limited. No part of this publication may be reproduced, stored or transmitted in any form without the written permission[...]