Asus D2 manual

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A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Asus D2, 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 Asus D2 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 Asus D2. 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 Asus D2 should contain:
- informations concerning technical data of Asus D2
- name of the manufacturer and a year of construction of the Asus D2 item
- rules of operation, control and maintenance of the Asus D2 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 Asus D2 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 Asus D2, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Asus 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 Asus D2.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Asus D2 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

    Xonar D2 7.1 Channel Audio Card 192KHz/24Bit DuplexHD TM Featuring Dolby ® and DTS ® Te c h n o l o g i e s f o r H o m e Entertainment RMAA 6.0.5 Test Guide and Results Revision: 1.1 Date: Aug. 10, 2007[...]

  • Page 2

    Copyright © ASUST ek Computer Inc. All Right Reserved . http://www .asus.com / P . 2 ASUS Xonar D2 Audio Card RMAA6.0.5 T est Guide V .1.1 The Xonar D2 driver CD includes RightMark Audi o Analyzer (RMAA ) v .5.6, popular software intended for test ing the quality of audio equipmen t, be it a sound card, portable MP 3 player , consumer CD/DVD playe[...]

  • Page 3

    Copyright © ASUST ek Computer Inc. All Right Reserved . http://www .asus.com / P . 3 ASUS Xonar D2 Audio Card RMAA6.0.5 T est Guide V .1.1 4. Go to the Mixer R ecording page and select “ AL T” as the recording source . Click “R eset ” to make sure the recording volume is on the default high est level (0dB). This is actually a high-quality [...]

  • Page 4

    Copyright © ASUST ek Computer Inc. All Right Reserved . http://www .asus.com / P . 4 ASUS Xonar D2 Audio Card RMAA6.0.5 T est Guide V .1.1 Note: Y o u may al so ch oose to use an external 3.5mm line cable as follows (as short as possible) to connect the Front-O u t jack to the Line-In jack for loop-back testing. In that case, please select “Line[...]

  • Page 5

    Copyright © ASUST ek Computer Inc. All Right Reserved . http://www .asus.com / P . 5 ASUS Xonar D2 Audio Card RMAA6.0.5 T est Guide V .1.1 5. Click “Reset” on the playback volume mix er page to keep the volume setting on default. 6. T urn the master volume to the MAX level (0dB) 2. Configuration and T est with RMAA Start RMAA and follow the se[...]

  • Page 6

    Copyright © ASUST ek Computer Inc. All Right Reserved . http://www .asus.com / P . 6 ASUS Xonar D2 Audio Card RMAA6.0.5 T est Guide V .1.1 2. Select 24bit and 48KHz for the test signals. (If you change the format here, please remember to go back to set the SAME sam ple rate output in the X onar D2 Audio Center . Please mind that X onar D2 currentl[...]

  • Page 7

    Copyright © ASUST ek Computer Inc. All Right Reserved . http://www .asus.com / P . 7 ASUS Xonar D2 Audio Card RMAA6.0.5 T est Guide V .1.1 If the recording volume level is not high enough, please check and make the WAV E a n d Master V olume have been at the maximum level ; Instead, if the recording volume level is too high, please lower t he WA V[...]

  • Page 8

    Copyright © ASUST ek Computer Inc. All Right Reserved . http://www .asus.com / P . 8 ASUS Xonar D2 Audio Card RMAA6.0.5 T est Guide V .1.1 7. Select one empty slot to save the data and you ma y change the name. Then click “OK” . 8. RMAA will pop up the T est results w indow . Y ou can click the “Select” check box and click to “Make html [...]

  • Page 9

    Copyright © ASUST ek Computer Inc. All Right Reserved . http://www .asus.com / P . 9 ASUS Xonar D2 Audio Card RMAA6.0.5 T est Guide V .1.1 3. RMAA T esting Results The following tables cop ied from RMAA discl osed the complete test da ta results for DirectSound_16bit, DirectSound_24bit, MME_16b it, and MME_24bit. Each table contains 44.1K, 48K, 96[...]

  • Page 10

    Copyright © ASUST ek Computer Inc. All Right Reserved . http://www .asus.com / P . 1 0 ASUS Xonar D2 Audio Card RMAA6.0.5 T est Guide V .1.1 DirectSound 24-Bit T est R esults MME 16-Bit T est Results[...]

  • Page 11

    Copyright © ASUST ek Computer Inc. All Right Reserved . http://www .asus.com / P . 1 1 ASUS Xonar D2 Audio Card RMAA6.0.5 T est Guide V .1.1 MME 24-Bit T est Results[...]

  • Page 12

    Copyright © ASUST ek Computer Inc. All Right Reserved . http://www .asus.com / P . 1 2 ASUS Xonar D2 Audio Card RMAA6.0.5 T est Guide V .1.1 4. HTML T est Reports Y ou can review the HTML report including the gr aphics for the test plots. Open the html file you created and saved in the test above (section 2), and it will display the report with bo[...]

  • Page 13

    Copyright © ASUST ek Computer Inc. All Right Reserved . http://www .asus.com / P . 1 3 ASUS Xonar D2 Audio Card RMAA6.0.5 T est Guide V .1.1 IMD at 10 kH z, % 0.0005 Excellent General performance Excellent Frequency response From 20 Hz to 20 kHz, dB -0.11, +0.09 From 40 Hz to 15 kHz, dB -0.04, +0.08 Noise level[...]

  • Page 14

    Copyright © ASUST ek Computer Inc. All Right Reserved . http://www .asus.com / P . 1 4 ASUS Xonar D2 Audio Card RMAA6.0.5 T est Guide V .1.1 Left Right RMS power , dB -115.0 -115.2 RMS power (A -weighted), dB -116.2 -116.4 Peak level, dB FS -92.8 -93.2 DC offset, % -0.0 -0.0 Dynamic r ange[...]

  • Page 15

    Copyright © ASUST ek Computer Inc. All Right Reserved . http://www .asus.com / P . 1 5 ASUS Xonar D2 Audio Card RMAA6.0.5 T est Guide V .1.1 Left Right Dynamic ra nge, dB +115.0 +115.1 Dynamic ra nge (A- weighted), dB +116.2 +116.3 DC offset, % -0.00 -0.00 THD + Noise (at -3 dB FS) Left Right THD, % +0.0003 +0.0003 THD + Noise, % +0.0005 +0.0005 T[...]

  • Page 16

    Copyright © ASUST ek Computer Inc. All Right Reserved . http://www .asus.com / P . 1 6 ASUS Xonar D2 Audio Card RMAA6.0.5 T est Guide V .1.1 Left Right IMD + Noise, % +0.0010 +0.0009 IMD + Noise (A- weighted), % +0.0005 +0.0004 Stereo crosstalk Left Right[...]

  • Page 17

    Copyright © ASUST ek Computer Inc. All Right Reserved . http://www .asus.com / P . 1 7 ASUS Xonar D2 Audio Card RMAA6.0.5 T est Guide V .1.1 Crosstalk at 100 Hz, dB -116 -112 Crosstalk at 1000 Hz, dB -115 -114 Crosstalk at 10000 Hz, dB -112 -112 IMD (swept tones) Left Right IMD + Noise at 5000 Hz, 0.0006 0.0006 IMD + Noise at 10000 Hz, 0.0005 0.00[...]