PINGOOD TECHNOLOGY DMA2017C05 User Manual

User Manual
Table of Contents
1. Introduction………………………………………………….…..2
1.1 Hardware……….……………………………………………3
1.2 Application features….…………………………………….3
1.3 Device Compatibility………………………………………..4
1.4 Subtitle Support……………………………………………..4
3. DMA Overview…………………………………………………….6
4. The A/V Streaming system………………………………………7
4.1 Reference Design…………………………………………7
4.2 A/V System Overview………………………………….….7
4.3 DMS Software Installation……………………………..8
5. DMA Setup……………………………………………………….11
5.1 Indicators………………………………………………..…11
5.2 Cable Connections………………………………………..12
5.3 Memory Cards………………………………………..….13
5.4 Power up…………………………………………………..14
5.5 Remote Control…………………………………………..14
6. Operation Setup Section………………………………………..15
6.1 Wire Setup………………………………………….……15
6.2 Wireless Setup……………………………………..……17
6.3 Playback Options……...…………………………………18
6.4 Device Setup………………………………………………19
7. Content Navigation Modes…………………………………….20
7.1 List Mode…………………………………………………21
7.2 Audio Preview Mode………………………………………22
7.3 Photo Preview Mode……………………………………22
7.4 Video Preview Mode………………………………………22
8. Content Play Modes…………………………………………...23
8.1 Audio Play Mode………………………………………….23
8.2 Photo Play Mode……………………………………..….23
8.3 Video Play Mode……………………………………..….23
9. Trouble Shooting…………………….…………………………...24
1. Introduction
Watch downloaded movies: Download and store movies on your PC then watch them on your TV from the comfort of your living room couch. No need to burn movies from your hard disk to CD or DVD,just the ease and convenience of wireless access with fingertip control.You can playback movies from online movie services and evenstream movies from the Internet. The Wireless Multimedia player supports MPEG1, MPEG2, MPEG4, DivX and Xvid video formats.
Enjoy PC music anywhere at home: Stream music files from your PC and listen to them in high quality in any room on your audio system. Keep your music collection stored on your PC's hard disk. Use your remote control to select songs according to artist, album or genre. You can play songs from online music services, and even listen to Internet Radio without a PC. The Wireless Multimedia player supports WMA, MP3 and AAC-MPEG4 music formats, and so you have access to all your downloaded songs.
Share your digital photos: Relax on the couch and look at your holiday photos with the whole family or friends. Simply store your photo collections centrally on a PC and enjoy them anytime on your TV. If you have a high-definition TV input on an LCD or plasma TV, your digital photos will be brought to life!
Smart and simple: The Wireless Multimedia player is easily installed, thanks to a user-friendly step-by-step approach. All the steps needed to install it are displayed on your TV screen.
Wireless convenience: You can access multimedia content from other PCs in your house. The media manager works on most PCs, including older types. So with just one Wireless Media player you can access content on several PCs, and there's no need to copy files across. The 2.4 GHz wireless link between the Multimedia player and the PC means you don't have to lay cables or drill holes through walls.
1.1 Hardware
1.1.1 External Interfaces
• Ethernet (10/100)
• 802.11g WiFi
• USB2.0 FS HOST
• Flash card reader MS/SD/MMC/CF
• AV outputs
1.1.2 Video
• Composite (yellow RCA)
• SCART interface.
• Y/PbPr/YCbCr
1.1.3 Audio
• L/R Stereo (RW RCAx2)
• Digital audio out (Optical output)
1.1.4 IR input (remote control)
1.2 Application Features
1.2.1 "Browse for” and play back content stored on PCs or other DLNA server devices on the network, or from local media"
• Network content browsing dependent on DLNA media server's "presentation" of the available content
• Local content browsing (Thumb drive, Flash cards) based on simple hierarchical folder organization (file system)
• Built in radiotime internet radio and flickr photo share website.
1.2.2 Trick mode support
• Multi speed FF/FR/Skip ahead/Skip back
• Pause/Play/Stop
• Zoom/Rotate on photos
1.2.3 File Search
1.2.4 Photo Slideshow
1.2.5 Music+Photo Slideshow
Device setup
- Control over most aspects of device operation
- Accessed through "Setup" button on remote control
- Networking
• Simple, intuitive - "leads" user through initial connect process
• Prioritizes on Wired; if no Wired, then attempts to connect via Wireless
• Automatically identifies and auto prompts user on SSID select and security key entry when connecting to a secure network
• Networking
• Display
- 4:3 or 16:9 format
- PAL or NTSC
- 480i/480p output
• Three display/viewing modes:
- Preview Mode.
• Video – highlighted video file in list plays in preview window.
• Photo – highlighted photo file in list displays in preview window, along with basic file information.
• Music – highlighted music file in list plays, with ID3 tag info displayed in preview window.
- List Mode
- Thumbnail Mode
1.3 Device Compatibility
1.3.1 Display resolution
- Standard Definition AV processing and output (480i/480p)
- NTSC or PAL
1.3.2 File format support
- Files can be from USB, Flash cards, or over the network. Only caveat
is some network media servers limit what file types they make available.
- Video
• MPEG1/MPEG2/MPEG4(SP)/MPEG4(ASP)/ MJPEG
• DIVX(3.x,3.x,5.x,6.0)/XVID(include GMC and QPEL)
- Audio
• PCM/WAV/MP3/AAC
- Pictures
• JPEG (max. 5120x3840)
• BMP/TIF/GIF/PNG(limited size)
1.3.3 DLNA Media Player
- Network Protocols
• TCP/IP stack
• HTTP streaming
• UPnP
• IP Addressing
* DHCP * Static IP * Auto IP
• DLNA v1.0 player/control point
* Works with DLNA-compliant Media Servers * Tested with Microsoft WMP11, WMP10+WMC2.0, Philips PMM, and
TwonkyVision
* Can interoperate with up to 8 servers at the same time
1.3.4 Networks
- 802.11 WiFi
• .11g or Super .11g (can optionally support 802.11a)
• WEP or WPA2 security
- 802.3 Ethernet
• Supports 10/100 connectivity to either 10 Mbit or 100 Mbit networks
1.4 Subtitle Support
1.4.1 DMATool use guide:
1. Run DMATOOL.EXE
2. Click MENU subtitle, click SUBMENU select(or PRESS Ctrl+O),the "Select Subtitle file" window will be show.
3. Click open button. show "open file" dialog
4. select single subtitle file
5. The list1 will be show the selected files. Press >> to confirm selected item.
6. Press Coverter button
.
7.The subtitle file will be converter to AVI file.
For example: Movie001.srt to Movie001_srt..avi
1.4.2 Windows Media Player11 setup:
1.Click Menu Library, click SUBMENU Add to Library.
2.Then click Advanced Option.
Click Here
3.Set “skip files small than” as 0 KB
4.Click OK to quite.
1.4.2 DMA unit operation:
1. Select subtitle file
Movie001_SRT.avi
?
2.Press Subtitle key to make sure subtitle file be selected.
3.Select vedio file(MOVIE001.avi) to play.
4.OK!
2. Terminology
A/V Audio/Visual EN Ethernet EN cable 10/100BaseT En patch cable(straight through type) MAC The unique 12 character hexadecimal address of an EN device NC No Connection O/S Operating System PC Pentium based Personal Computer running XP O/S PCA Printed Circuit Assembly PCB Print Circuit Board R/C Remote Control (infrared) RGW Router Gateware WiFi 802.11a/b/g/n Wireless Ethernet
3. DMA Overview
Front View:
Side View:
Back View
4. The A/V Streaming System
4.1 Reference Design
The reference system includes the following components:
 DMP Unit  Remote Control with 2 AAA battery  12V DC Power Adapter  Wifi Mini PCI card  Built in Wifi antenna  AV cable
4.2 A/V System Overview
The typical A/V Streaming system requires the following equipment:
802.11b/g compatible wireless router with10/100 Ethernetport(s)  A PC running XP Home or Professional Operating system  Microsoft Digital Media Server (DMS) software installed on the PC  NTSC or PAL Display/TV with Composite video inputs
Typical Digital Media Player System
¾ Hint:Using a wireless connection for both the DMA and the
Server PC doubles the media data traffic over the connection. While this rate is achievable with 802.11b/g technology in ideal conditions, it can cause undesirable interrruptions in some movie viewing situations. To avoid this, use a wired network connection between the Server PC and the wireless RGW. Alternatively, a wireless 802.11 AD HOC connection
can be set up directly between the PC and the DMA.
4.3 DMS Software Installation
Your PC requires software to act as a media server using UPnP protocols. Many other DLNA compliant UPnP Media Server software products are
Supported. Follow the installation directions provided with that software.
Note:The OS version of computer must be windows XP SP2 or above.
4.3.1 Download and install Windows Media player 11
IMPORTANT: The DMA uses your wireless network and Windows Media player 11 to access the pictures on your computer. If you do not have Windows Media player 11 on your computer, or you have an earlier version, the software CD packed with your DMA automatically lets you install Media player 11.
Begin the download. You must be connected to the Internet. If you already have Windows Media player 11, or higher, on your computer. Go to set up media sharing.
[1] Let me install Windows Media player now
[2] Your browser opens and you are automatically connected to the Microsoft
Windows Media player download page.
[3] Click Download NOW. Do not close the Windows Media player installer window during the installation. TIP—if an error screen appears, click OK on the error, then click Cancel on the Digital
Picture Frame Installer screen. Restart the installation by ejecting the CD and reloading it.
Continue with the download of Windows Media player 11.
3
[4] Click Run to start the download.
The download usually takes less than a minute with high-speed Internet access.
Dial-upconnections take longer.
A progress screen appears as the installation files are downloaded to your computer.
TIP—if the progress screen does not appear, click Click here if your download did not begin
[5] Click Run again.
A progress screen appears as the installation files are extracted on your computer.
[6] In the Validate your copy of Windows screen, click to confirm that you have a
valid copy of Microsoft Windows operating system.
[7] In the Thank you screen, click I accept to accept the supplemental license for
Windows Media player 11.
The installation begins. A progress screen appears and monitors the installation. The
Windows Media player 11 Welcome screen opens.
4
5
4.3.2 Set up Windows Media player 11
Windows Media player is installed! Now choose your settings.
[1] On the Welcome screen, select Custom Settings . We strongly recommend that you select Custom Settings If you choose Express settings, the setup will take significantly longer (up to an hour).
[2] Click Next.
[3] In the following setup screens (Select Privacy Options; Customize the Installation Options; Select the Default Music and Video Player ), we recommend that you accept all options as they are presented, and then click Next.
[4] If the Choose an Online Store screen appears select, Don’t set up a store now. We strongly recommend that you. Do not choose to set up a store now. If you do, the setup will take significantly longer (up to an hour).
[5] Click Finish.
A progress screen monitors the setup. When the setup is complete, Windows
Media player 11 opens and displays available media files.
4.3.3 Share media in Windows Media player 11
Set up Media Sharing so your frame and Windows Media player recognize each other.
[1] Open Windows Media player 11 (if you already had Windows Media player 11 Installed and bypassed the installation.
[2] Click the Library button in the top menu bar.
[3] Select Media share from the drop-down menu.
[4] In the Media Sharing screen, select Share my media.
[5] Click OK .
DMA SERVER
5. DMA Setup
5.1 Indicators
5.2 Cable connection
5.2.1 Connect TV
5.2.2 Connect Audio System
5.2.3 Plug Adapter
5.3 Memory cards
Memory Card Support – Many popular memory cards are supported:
y CF - Compact Flash I and II Type y SD(TM) - Secure Digital Card y MS - Memory Stick(R) y MS Pro - Memory Stick PRO(R) y MMC - Multimedia Card(TM)
You will find that most cameras have CF, SD, MS or MMC formats.
SD slot CF slot
MS/MS Pro/SD/MMC COMPACT Flash (Type I & Type II)
Content can be audio, photo or video, and will appear in the Media Sources list once the memory card is inserted and recognized.
Networks Computer01:Owener SERVER CF Card USB DEVICE
Item 0 Media Sources
5.4 Power up
Connect the DMA power adapter. Power on the display, and point the remote control towards the front panel of the DMA unit and press the POWER button on the R/C. When on servers are available or set up, the display will appear as follows:
Networks Computer01:Owener SERVER Computer02
Item 0 Media Sources
To set up the network connection, refer to the Network Connection Setup section. The DMA unit provides memory card support. If a memory card with content is installed, it will be identified in the Media Sources display.
5.5 DMA Remote
The DMP Remote control (R/C) uses infrared so it must be aimed toward the front of the DMP enclosure. The remote has the following keys and functions for navigating the Setup interface
To use the remote control unit to operate the DMA player, insert two batteries (size AAA) making sure that the + and – ends of the batteries are matched to the +/– marks printed inside the battery compartment.
ITEM KEY ID DESCRIPTION ITEM KEY ID DESCRIPTION
1 POWER Power device on/off 15 AUDIO
2 Digits
3 VOL- Decrease volume 17 ROTATE Rotate the photo display 4 UP Cursor up/ move up one entry 18 ZOOM Zoom video or photo
5
6 LEFT
7 PREV Go to previous file 21 REV Fast reverse 8 NEXT Go to next file 22 FWD Fast forward
9 DEFAULT
10 HOME Return to main menu 24 RIGHT
11 REPEAT Select repeat mode 25 STOP Stop playing
12 M-SLIDE Enable slide show mode 26 OK
13 SLOW
14 RESUME
PLAY/PAUS E
0-9:Press to enter number directly
Play or pause a file 19 SETUP Enter SETUP menu Cursor left/ Skip up one page
or top of top page
Restore setup setting as default setting.
Press SLOW during playback to obtain a slow motion playback Remember where you stopped viewing a media file and press the key to resume play at that point
16 SUBTITLE
20 DISPLAY Toggle time counter on/off
23 DOWN Cursor down/ move down one entry
27 VOL+ Increase volume
28 MUTE Mute volume
Toggles between available audio languages This button toggles between available subtitle languages
Cursor right/ Skip down one page or bottom of last page
Confirms selection of an item in the menu
6. Operation Setup Section
6.1 Wired Setup
If you are using a wired network connection, and your network router system is set for DHCP mode, there is no need to change any Network Settings. If using Static IP mode, press SETUP key on the remote control to navigate to the Setup Main Menu screen.
Exit Setup Playback Options Select Network Network Setup Device Setup Device Status
Press the Down Arrow key to highlight the Wired Network line and press
OK.
Cancel Referesh Wired Network Defaut Server02 Server03
The following screen indicates the current IP settings. To change these settings, select the TCP/IP Button:
Wired Network
IP onfiguration: Automatic [DHCP/Auto IP] IP Address: 192.168.0.4
TCP/IP
OK
Once connected, available server(s) active on the network will be displayed below the “Networks” line on the Media Sources page.
Networks Computer01:Owener SERVER Computer02
Item 0 Media Sources
NOTE: Some servers require newly discovered DMA devices on the network to be authorized. Check the server software interface on the PC to make sure the new DMA device has been properly authorized.
6.2 Wireless setup
To setup a wireless network connection, from the Network Setup screen select the Wireless Type A or B/G by moving the cursor down to the desired Wireless network type and press OK:
The DMA will search for available advertised Network names and display the mass own. Move the cursor highlight down to the desired Network name and press OK:
Cancel Wired Network List Wireless B/G Networks List Wireless A Networks
Cancel Referesh Wired Network Defaut Server02 Server03
Note: The previously used network will appear at the top of the list.
y
If the selected wireless network has security enabled the Pass- phrase entry screen will popup where you may enter the pass- phrase. Alternatively, selecting the SECURITY button will bring up the Pass -phrase entry screen. Enter the Pass -phrase character string and highlight OK button and press OK key.
Enter WPA Passphrase
PASSWORD
Shift OK
Erase Cancel
Default
Secure wireless infrastructure network [WPA TKIP]
802.11b/g channel 4
I
P onfiguration: Automatic [DHCP/Auto IP]
IP Address: 192.168.3.114
TCP/IP
6.3 Playback Options
Exit Setup Playback Options Select Network Network Setup Device Setup Device Status
Music Playback Mode There are four available settings: Play Folder Play Single ③Repeat Folder Repeat Single
Video Playback Mode
There are four available settings: Play Folder Play Single ③Repeat Folder Repeat Single
Back Music Playback Mode Play Folder Video Playback Mode Play Single Slideshow Playback Mode Play Folder Slideshow Transition Cross Mode Slideshow Interval 3 seconds
OKSecurit
Slideshow Playback Mode
There are two available settings: Play Folder Repeat Folder
Slideshow Transition
This unit is setting the JPEG file slide show mode, as shown below: ①Full Screen ②Top to Bottom ③ Bottom toTop ④T/B to Center ⑤Center toT/B ⑥Blind: Top to Bottom ⑦Left to Right ⑧Right to Left ⑨L/R to Center ⑩ Center to L/R ⑪Implode ⑫Blind Left to Right ⑬Cross Fade ⑭Random
Slideshow Interval
This unit is setting interval time among the showing picture to next picture on slide show mode, as shown below: 1 Second 3 Seconds 5 Seconds 10 Seconds Manual Transition
6.4 Device Setup
Exit Setup Playback Options Select Network Network Setup Device Setup Device Status
TV Type
There are three available settings: Mutisync ②NTSC ③PAL
TV Display
There are three available settings: 4:3 Full Screen 4:3 Letter Box 16:9 (HDTV)
Video Output
There are two available settings: ①YCbCr ②SCART-RGB
SPDIF Output
There are three available settings: Off ②SPDIF/RAW ③SPDIF/PCM
> SPDIF/RAW:
Set to this selection will output the raw bit stream signal of Dolby optical jack. In order to enjoy Dolby must be connected to the digital-input jack of a Dolby or processor.
®
Digital DTS media files, this unit’s digital output jack
®
Digital or DTS compatible receiver
Back TV Type NTSC TV Display 16:9(HDTV) Video Output SCART-RGB SPDIF Output Off Screen Save 3 seconds Font Size Normal Restore Factory Defaults
®
Digital or DTS from the
> SPDIF/PCM:
\
PCM stands for Pulse Code Modulation and is digital audio. Connecting this unit to an amplifier with a built-in D/A converter can play the same digital audio format media files. Additionally , 2-channel anal ogue audio will output from the audio output jacks of a mplifier.
Screen Saver
There are four available settings: Never ②3 Minutes ③5 Minutes ④15 Minutes
Font Size
There are two available settings: ①Normal ②Small (HDTV)
Restore Factory Defaults
When you select this item and press OK key, then all the initial settings will be restored to the factory default settings.
7. Content Navigation Modes
Once a content source is selected, the directory format presented is determined by that source. Use the remote control (R/C) cursor keys to navigate through the content directories. The content can be displayed in List Mode, List/ Preview Mode or Thumbnail mode. These display form at modes are selectable by pressing the DISPLAY key. Preview Mode LIST MODE Thumbnail Mode
SELECT FOLDER PREVIEW MODE
Back Music Video Pictures Playlists
LIST MODE THUMBNAIL MODE:
Who’s Got My Back? Yesterday Once More The Earth Music01 Music02 Where are you Say You Say ME
Picture01 Picture02 Picture03 Picture04 Picture05 Picture06 Picture07 Picture08
Item 14 …Media Connect\Music
Back
Date2006/10/05
All Pictures
Item0 …Media Connect\Music\All Pictures
The R/C key functions for content navigation vary slightly depending on the display mode: List mode, Audio Preview, Photo Preview and Video modes. The R/C functions for each of these modes are shown in the following sections.
7.1 List Mode
R/C key Function:
Who’s Got My Back? Yesterday Once More The Earth Music01 Music02 Where are you Say You Say ME The Day You Went Away
Item 14 …Dows Media Connect\Music\All Music
ITEM KEY ID DESCRIPTION ITEM KEY ID DESCRIPTION
1 POWER Power device on/off 15 AUDIO 2 Digits 16 SUBTITLE 3 VOL- Decrease volume 17 ROTATE 4 UP Cursor up/ Go to previous file 18 ZOOM
5
6 LEFT
7 PREV
8 NEXT Go to next file 22 FWD Fast forward
9 DEFAULT
10 HOME Return to main menu 24 RIGHT
11 REPEAT Select repeat mode 25 STOP Stop playing
12 M-SLIDE Enable slide show mode 26 OK
PLAY/PAUS
E
Play or pause a file 19 SETUP Enter SETUP menu Skip up one page and select
bottom item of this page Back to top of first page( BACK Position)
Restore setup setting as default setting.
20 DISPLAY Toggle time counter on/off
21 REV Fast reverse
23 DOWN Cursor down/ Go to next file
Skip down one page and select top item of this page
Confirms selection of an item in the menu or Play the file
13 SLOW 27 VOL+ Increase volume
14 RESUME 28 MUTE Mute volume
\
7.2 Audio Preview Mode
7.3 Photo Preview Mode
Who’s Got My Back? Yesterday Once More The Earth Music01 Music02 Where are you Say You Say ME The Day You Went Away
Item 14 … MeDows dia Connect\Music\All Music
Artist: Paul Simon Album: Track: 06
7.4 Video Preview Mode
Picture01 Picture02 Picture03 Picture04 Picture05 Picture06 Picture07 Picture08
Item 14 …Media Connect\Music\All Pictures
Video01 AV 20050601 Movie02 file 2006-08-2 file 2006-08-05 Die Hard Transformers The power of ring
Item 14 …Media Connect
Date2006/10/05
0:48
Music\All Video
8. Content Play Modes
The R/C key functions vary slightly depending on which play mode is active. These R/C functions are shown below in each of the play modes: Audio, Photo
and Video play modes.
8.1 Audio Play Mode
Use UP/DOWN/LEFT/RIGHT key select music flie, then press PLAY/PAUSE or OK key to play the music file.
Artist: Bon Jovl Album: Crush Track: 01 Year: 2000
Item 132 EQ: standard 0:05
8.2 Photo Play Mode
Use UP/DOWN/LEFT/RIGHT key select JPEG flie, then press PLAY/PAUSE or OK key to show the photo on the TV screen.
NOTE: To play music with photo slide show, Browse into the desired audio folder and press the M-Slide key to toggle MUSIC SLIDE SHOW feature on and off. The photo zoom mode is disabled when music-slide show is active.
8.3 Video Play Mode
Use UP/DOWN/LEFT/RIGHT key select Video flie, then press PLAY/PAUSE or OK key to Play the Video file.
Recommend: Each movie each folder in PC, pls. go to folder view in DMA to see the movie
9. Trouble shooting (FAQs)
For more information on setting up and using the wireless features of your
DMA, visit
Frequently asked questions
1. I already have Windows Media player on my computer. Do I have to install it again?
You must have Windows Media player 11, or greater, so your DMA can access the pictures on your computer. Check your Windows Media player version number. (Right-click in the top menu bar, then select >help:about Windows Media Player.) If your version is earlier than 11, upgrade to version 11.
2. I lost my Internet connection in the middle of my setup. What should I do?
Reconnect to the Internet and repeat the installation and setup, starting on
3. I lost my wireless connection in the middle of the setup. What should I do?
Make sure your wireless connection is live and repeat up, starting on
4. I can’t find my network. Why?
Is your network set up to broadcast SSID? If so, you must enter your wireless network information manually. The person who set up your network can help you with this information. Does your network have security enabled (WEP or WPA)? If so, follow the instructions on Page 16.
5. I can’t find my network computer. Why?
Make sure your router and your computer are on. Make sure your computer is on your wireless network. See the documentation that came with your router and your computer. Is Media sharing enabled in Windows Media player 11? See Page 8. Is your DMA allowed to share content with your computer? See Page 9.
6. If PC can’t find the DMA?
Maybe your firewall or windows setting problem, Please do as below step: Click Start, Run “services.msc”, you will see below:
y HTTP SSL change to start, automatic y SSDP DISCOVERY SERVICE change to start, automatic y Universal Plug and Play change to start, automatic y Windows media player Network Sharing Service change to start &
automatic, then restart the computer
2. I didn’t connect to my network the first time I turned on my DMA. Can I do it now?
Yes, you can. Press Home on the remote control, then select Settings>network>Nomal> Enable/disable connections>enable.
3. No reaction to the supplied remote control.
Connect the power adapter to the power supply. Point the remote control at the product. Insert the batteries correctly. Insert new batteries in the remote control.
4. No vedio signal on the TV screen.
Turn the TV on. Set the TV to the correct external input. Set the video output connection on the rear of the product to the correct position and restart the product. Make sure that the TV supports the video signal of the product. Press the Default key on the supplied remote control to restore the video output signal to the factory default values.
5. No sound signal from loudspeaker of audio system or TV.
Turn the audio system on. Set the audio system to the correct external input. Increase the volume level of audio system. Check whether the volume of product is set to “0”. Check whether the AV cable is porperly connected to the port. Check whether the media file is damaged.
6. Cannot find the wired network.
Turn the other wired network devices on. Use a straight nework cable(Ethernet, UTP5e) to make a connection from the product to the wired network.
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