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Old 11-07-2010, 05:45 PM   #1
Polvo
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Duokan FAQ

I started making some notes on the new English Duokan release and thought it'd be a good idea to start a FAQ thread.

Duokan Quidle FAQ

What is Duokan?

Its an alternative OS for the Kindle developed by a Chinese team. It's also available on Kindle2/Kindle DX/Kindle DXG. It's free for non-commercial use. It doesn't overwrite the official system in Kindle, but works as a secondary system. After installation, there's a boot menu where you can select from Duokan or the official system by pressing 1 or 2 ("Q" and "W" on a Kindle 3). Duokan improves on the compatiblity with Chinese characters of the K3, along other key features. It has a new PDF reader which provides full-screen reading, cropping the white margin and better support of two/four-column papers. Duokan can also do partial screen refreshes which is faster when switching pages compared with the default black screen refresh used in the original system. Users report that Duokan works better with comics and some complicated PDF files.
Adapted from: meisup

What are the principal benefits of using Duokan's OS?
  • More filetypes supported
  • Clear, crisp layout
  • More customizable
  • Better PDF reader
  • Better dictionary support
  • Decent MP3 player
  • Fine control of fonts and margins
  • Lots of shortcut keys
  • Folders (which can be easily organised)

What does Duokan mean?
"Read More". Note: When using Google Translate to read website www.duokan.com Duokan is translated as "see more" and "look at" means read me as in readme file.

How is it installed?
  1. Note: Jailbreak is NOT required
  2. Download Duokan from http://www.duokan.com or Flip's English site (which also has good instructions).
  3. Open compressed file eg with 7-Zip
  4. Copy the three folders starting DK to your Kindle's root folder.
  5. Copy the relevant bin for your Kindle to the root folder (see list below).
  6. In the Kindle's settings menu select "Update your Kindle"
  7. When Duokan splash screen appears press Q
  8. Kindle will boot in to Chinese
  9. Press Menu key and select spanner icon (settings)
  10. Go down to 3rd screen and press D to change language
  11. Select English
(On Kindle 2 you might see no letters but numbers. So press Menu, then 0 (settings), page 3, select 3 (Language), then select 2 (English))


Is there a browser?
No. There is a basic book find that connects to various sites though which works via wifi only. There is no support for 3G at present although its being worked on.

How can I use the bookstore feature?
TBA

How can I edit the English translations?
Try editing DK_System\system\Profiles\FontInfo_yw.txt (Note: not all text strings can be altered using this file)

Can I still enter terminal commands?
TBA

Where are my existing files?!?!
To see your ebooks from your original installation to Duokan go to Settings, page 3, select "F. Support old system" and confirm. You can also copy some ebooks to your DK_Documents folder to use them only in Duokan eg I put Word docs and ePub books in here.

What formats can Duokan read?
  • TXT
  • PDF
  • EPUB
  • MOBI
  • DJVU
  • ZIP
  • DOC
  • CHM (but NOT HTML files at present)
Image formats:
  • BMP
  • PNG
  • JPG/JPEG
  • GIF
  • TIFF
Audio formats:
  • MP3

Which Kindle do I have?
To find your serial number look in "Settings". The serial number prefixes are:
  • B001 = Kindle 1
  • B002 = Kindle 2 U.S.
  • B003 = Kindle 2 international version
  • B008 = Kindle 3 WIFI version
  • B006 = Kindle 3 3G + WIFI U.S. version
  • B00A = Kindle 3 3G + WIFI European version
  • B004 = Kindle DX U.S.
  • B005 = Kindle DX international version
  • B009 = Kindle DXG

Does installing Duokan affect the Kindle's software?
No. Duokan is independent of the original system, when you start the Kindle you can choose to boot .

How do I un-install?
Delete the folders starting DK and reboot the Kindle.

Will an Amazon firmaware upgrade affect Duokan?
No, you can upgrade the original system Kindle without issues.

How to get the MP3 player working?
Create DK_Music folder at same level as DK_Documents (may require Kindle reboot to see files).
ALT M pops-up the music player.
Aa key switches between control via playlist or 5-way controller.
Repeat and random modes are supported.

How to return to USB mode without unplgging/plugging in USB lead?
TBA

Screensavers?
Add them to DK_System/Savers/
In 2nd page of System Settings, press "7" key to set "screen saver image settings" to "Custom Folder". Note on sizes (6-inch screen: 800x600; 9.7-inch screen: 1200x824 resolution)

Dictionaries?
Download one of the StarDict dictionary files
http://reciteword.cosoft.org.cn/star...c/freedict.de/ - are all a bilingual
http://reciteword.cosoft.org.cn/star...-dic/dict.org/ - English dictionaries and thesurus plus other specialist English dictionaries.
http://stardict.sourceforge.net


Where can I find more StarDict download links?
http://reciteword.cosoft.org.cn/stardict-iso/stardict-dic


How do I install a StarDict dictionary file?
  • Download a StarDict format dictionary from one of the above sites
  • Extract three files with the following suffixes (using 7-Zip): dz, idx, ifo
  • The file ending dz is also compressed file so extract open it (again with 7-Zip or similar program)
  • Now we have four files: Dz Idx Ifo Dict.
  • Copy the idx, ifo, and dict files to DK_System\system\dict\
  • Multiple dictionaries can be installed

How do I look up a word?
1st install a dictionary!
To invoke the dictionary interface do one of the following:
  • Press MENU and select Dictionary
  • In a pdf (non-text mode) press any letter to open dictionary.
  • TXT, EPUB, CHM, and PDF (in text mode): press MENU and select "Find. Dictionary. Notes" -> in the pop-up input box to find the word, and then select "Search dictionary."

TTS Voices?
Apparently you can get a better US female voice using this file: http://sourceforge.net/projects/star...pleTTS.tar.bz2
Extract the WyabdcRealPeopleTTS folder and copy to the Kindle's DK_System\system\dict\

Screenshot?
shift + Alt + G to save.
Where is this saved to?
TBA

Screen wipe/refresh?
When the screen is blurred or ghosted you can force a full refresh pressing the Enter key

Is there a shortcut list?
Registered users can view the shortcut image chart in this FAQ. There's lots more great info but you'll need Google Translate to help your make sense of it all!

Where can I learn more?
Flip's website
...or search this site!

Last edited by Polvo; 11-08-2010 at 03:09 PM. Reason: Minor corrections
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Old 11-07-2010, 05:50 PM   #2
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Thanks for creating this FAQ Polvo! I'm following the development of the Kindle Duokan software and look forward to trying it. Would you consider making a wiki version of this FAQ here at MobileRead?
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Old 11-08-2010, 03:39 AM   #3
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You're welcome to copy the text over to the wiki. Although I love wikis the forum seems to be the place people visit for up-to-date info.
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Old 11-08-2010, 04:37 AM   #4
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Quote:
Originally Posted by Polvo View Post
You're welcome to copy the text over to the wiki. Although I love wikis the forum seems to be the place people visit for up-to-date info.
Amazing works! A quick question. Does DK need NiLuJe's jailbreak hack before installing it?
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Old 11-08-2010, 04:42 AM   #5
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Originally Posted by hondamarlboro View Post
Amazing works! A quick question. Does DK need NiLuJe's jailbreak hack before installing it?
NO. Duokan is installed the same way as any other installs (with an update*.bin file and copying of 3 directories).
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Old 11-08-2010, 05:14 AM   #6
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Originally Posted by Rinzwind View Post
NO. Duokan is installed the same way as any other installs (with an update*.bin file and copying of 3 directories).
Thank you for your response. I will try it!
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Old 11-08-2010, 06:05 AM   #7
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hi, I have a kindle 3 (3.0.3) with jailbrake and screensaver hacks on it. I tried to install duokan's FW, but as i restart, nothing changes and on my kindle doesn't appear the duokan's splash screen (when i have to press Q or W)
Any idea about it?
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Old 11-08-2010, 06:13 AM   #8
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Can be Duokan firmware modified to be in the same format as KIF ?

So it would be just azw2 file with ability to start from the Kindle main menu?

That would be great....
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Old 11-08-2010, 08:24 AM   #9
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Quote:
Originally Posted by 512 View Post
hi, I have a kindle 3 (3.0.3) with jailbrake and screensaver hacks on it. I tried to install duokan's FW, but as i restart, nothing changes and on my kindle doesn't appear the duokan's splash screen (when i have to press Q or W)
Any idea about it?
when you restart after update, you'll see the usual boy under tree image, then the screen will flash, and you'll get the same imagine with the loading bar. After about 20% progress, the Duokan screen boot screen will flash. It is only there for a few seconds, so be ready to press Q (Kindle3) or 1 (Kindle2).
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Old 11-08-2010, 08:26 AM   #10
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It seems impossible to download dictionaries from the above mentioned site:

http://reciteword.cosoft.org.cn/star...-dic/dict.org/

The downloads time out after an hour or so. Any other source?

Edit: I found another place to download dictionaries:

http://xdxf.revdanica.com/down/

One must select stardict format in other options, download format.

Works brilliantly! Thanks so much.

Last edited by montalex; 11-08-2010 at 09:41 AM.
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Old 11-08-2010, 08:55 AM   #11
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Originally Posted by montalex View Post
when you restart after update, you'll see the usual boy under tree image, then the screen will flash, and you'll get the same imagine with the loading bar. After about 20% progress, the Duokan screen boot screen will flash. It is only there for a few seconds, so be ready to press Q (Kindle3) or 1 (Kindle2).
I reset to default my kindle, uninstalled jailbrake and screensaver, then installed duokan and reinstalled jailbrake and screeensaver: now it works!
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Old 11-08-2010, 02:58 PM   #12
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The TTS voice goes into the dict dir? Huh? Are you sure you don't mean the TTS dir?
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Old 11-08-2010, 03:06 PM   #13
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The TTS voice goes into the dict dir? Huh? Are you sure you don't mean the TTS dir?
All 3 files go to ../dict!

I have an eng-eng dict working with voice.
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Old 11-08-2010, 03:11 PM   #14
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The TTS voice goes into the dict dir? Huh? Are you sure you don't mean the TTS dir?
I haven't tried this but that's what it says on the Chinese FAQ which some of the above FAQ is based on.
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Old 11-08-2010, 04:04 PM   #15
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awesome, Polvo
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