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reliable and practical digital transmission of ultrasound image sequence over wireless networks
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Windows CE streaming project


 

March 2012

iPresence-U / ChaserView-U dealer download and training program

Note:Use with Windows XP SP3 only. Windows 7 support in near future

Introduction and history:

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Collaborating with Worcester Polytechnic Institute Computer Science Department, Boston University Biomedical Laboratory and Microsoft Research Labs, we have developed a practical wireless ultrasound transmission system capable of working directly with Terason T3000 ultrasound probes and transmit the output over wireless to a receive PC where it can be used for diagnostics from remote. In addition to Ultrasound Video Image loop, the iPresence system is capable of transmitting real time output from a TotalExam Camera (manufactured and distributed) by Global Media. Click here to learn more about iPresence.

Here is a very brief list of features in each program included in the January 2012 installation of iPresence:

iPresence-U-Live

The Left Image shows iPresence-U-Live when program is first loaded.

The Right Image show iPresence-U-Live viewing a pre-recorded Video File. You can also be connected to iPresence-U when streaming Live Ultrasound Video from a Remote Location when using a Land Line on both ends of the connection.

Optionally, You could use the Windows Media Player. Version 11 and above preferred!

However iPresence-U-Live records the connection history so you can easily reconnect to a Remote PC assuming that they are using the Same IP Address when you last connected to their iPresence-U Program's Video Stream.

 

iPresence-U

Using this program you can:

1. Control the Terason Ultrasound program from within iPresence-U's Interface with many options available such as changing the Ultrasound Doppler Mode, Ultrasound Scan Depth, Ultrasound Orientation, and much much more.

2. Setup a Patient Folder then create Ultrasound Videos and Ultrasound Pictures to the Patient Folder. This feature is compatible with the Terason Ultrasound Program's Patient database.

Stream Live Ultrasound Video from the Ultrasound Video View Window using Land Line or Broadband Internet Connection. This feature uses the Microsoft Media Encoder 9 engine to Stream the Live Video. At the other end (Receive PC) of the connection, the iPresence-U-Live Program can connect to the Live Video Stream. For example, iPresence-U-Live can use an IP address similar to the picture shown below to connect to the Live Ultrasound Video Stream:

Using the iPresence software, the ultrasound streaming method (2 LIVE streaming methods and 1 store and forward) - for broadband or Land Line Streaming. The software is using the Media Encoder in "Pull" mode by default. Media Encoder Engine offers rich set of streaming features. This means at the "Receive PC", only One connection may be connected to the "Remote PC". However, if you need to allow multiple connections to view the Live Video Stream - at the same time - then you will need to use the "Push" method, which sends the Video Stream to a "Publishing Point".

If you need to use the "Push" mode, we recommend using a modern Desktop PC (as the Receive Station) loaded with Windows 2003 Server or Windows 2008 R2 Server software. Then both sides must be configured so that the Remote (Sending) PC Streams the Video using a Publishing Point that matches with the Receive PC's Publishing Point Configuration. Then each PC that needs to View the Video Stream then connects to the Receive PC using an IP Address which points to the Video Stream on the Receive PC. We can supply a suitable template if needed at no additional charge. Please contact us for a suitable Video Template and instructions on how to successfully setup a "Push" mode configuration for allowing multiple PC's to view the Live Video Stream. Examples will be avilable for Windows 2008 Server Edition R2 and Microsoft Azure integration, CLOUD delivery, etc. We provide consulting services for any IT integration if needed.

3. Import Videos from a Patient Folder then stream them using ChaserView's custom codec.

 

CV-Graph

CV-GRAPH is a companion software to iPresence and iPresence/ChaserView. It is written in BASIC and requires the .NET framework and its Service packs installed, which are included in the installation program. It has a built-in FTP (File Transfer Program) which transport store and forward images and video clips. It can also be used to UPDATE the iPresence software folder with new updated programs. We suggest to close other programs such as iPresence.exe, Chaserview.exe BEFORE you start the UPDATE process.

In addition to transport and update, it displays - in real time - all the interactions of audio, video, codecs, bandwidth displayed in graph format. CV-Graph is an excellent tool to show realistic states of bandwidth availability, frame rates and video sizes of both end of connection. iT can be used to quantitatively analys the wirless properties. It can also equally be useful if landline connections are used.

 

This program performs the following tasks:

1. Real time display of Video Bandwidth, Video Frames Per Second Rate, and Audio Bandwidth for Local (Your PC) the Remote PC (on the other side of the connection) in a Graphical Format similar how to Windows Task Manager shows CPU Usage History on its' Performance Tab.

2. Allows configuration of FTP (File Transfer Protocol) and configuration of Picture Watermarking of Images.

3. In the background uploads Pictures and Videos to your FTP / Web Site. If Picture Watermarking is desired, then "Watermarks" the pictures before uploading them. After each Picture or Video has been sent to your FTP / Web Site, You will see a Thumbnail of the most recently uploaded items during the current session.

4. Software Update check allows you to get the latest software updates (bug fixes and enhancements) and apply them to your computer when updates are available.

 

ChaserView

This Program's code name is "iPresence-U / ChaserView". (Ultrasound Version)

It is designed to stream from captured video files via Import. The video files are used: (1) from the Sample Videos Folder; OR (2) from an individual Patient's Folder; OR (3) allows you to select an individual AVI Video File.

*** Note *** This feature is not available in the Standard Version of the ChaserView Receive software.

For Example: Using the File menu, then select Options... then from the "Video" Tab then from the "Live Video Input Source" list then select "Video From File" then from the "Video from File Filename" select one of the files listed there then press the "Apply Changes" button to start streaming the selected Video File. At this time, We only support streaming of AVI files from the "Samples" directory OR created with the iPresence Program. We restrict the Video Size to only certain sizes when using this feature.

 

Download iPresence Ultrasound Solution

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*** Download links will be added here soon ***

iPresence-U Send Link to go here!

ChaserView Receive Link to go here!

 

CD-ROM Installation (Remote PC)

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*** IMPORTANT *** Each and every step of this installation procedure is required for proper operation of the overall solution.
   
  We suggest starting with a clean Windows installation of Windows XP or Windows 7 with all the latest Windows Updates and latest Windows Service Packs installed.

For Example, If using Windows XP then make sure that Service Pack 3 and the latest Windows Updates have been applied.

This will reduce the chances of having a Computer Virus as well as your PC will not be cluttered with software that may impede the proper operation of iPresence-U / ChaserView.
   
  We suggest further that you turn off Windows Updates and Windows Antivirus Programs while running iPresence-U / ChaserView to prevent Windows Reboots in the middle of a connected session and to allow best operation of the iPresence-U / ChaserView suite of programs.
   
  We have used a Windows 7 Installation of the iPresence and run the Program Files in Windows XP compatibility mode.

Our main issue with Windows 7 deals with the installation of Fire Wire cable and its' associated drivers provided by Microsoft for Windows.

If using a Windows XP, the Fire Wire installation process is easy and fast. Windows XP will recognize the drivers and everything works.

With Windows 7, there may be some difficulties. You must use Fire Wire Drivers with LEGACY versions. Click here to see what needs to be done to resolve this known issue in Windows 7.
   
  These instructions assume that you have already installed your Web Camera and the Web Camera drivers needed to use it in Microsoft Windows XP or Microsoft Windows 7.

 

Insert CD-ROM then launch / run Install-Chaserview batch file to start the installation procedure.

 

This installation procedure assumes that Terason T3000 Ultrasound Software has already been installed on your PC.

 

You will be presented with this screen. Click on the "Next" Button to continue.

 

Type integerzero then click on the "Next" Button to continue.

 

This shows the installation while preparing the files needed to run iPresence-U / ChaserView.

 

This shows the shortcuts that were created by the installation program.

 

iPresence-U software has now been installed.

 

You do NOT need to Reboot the computer... Press the "Close" button to continue the installation process.

 

Next the installation will install the necessary support files such as Visual Studio 2005 C++ Runtime Files and its' service Pack Files.

 

Press the "Yes" button.

 

Press the "Next" button to install Windows Media Encoder 9 Engine that is used in iPresence-U Program when Streaming Live Video via Land Line connection.

 

If the support files have already been installed in your PC, then please press the "Repair" button to insure that Windows Media Encoder 9 Engine is properly installed.

 

Now the system will install the Microsoft .Net Framework 1.1 which is used by the ChaserView Bandwidth Usage Graph Program.

 

Click on the "Yes" button to install the Microsoft .Net Framework 1.1 software.

 

Make sure that the "I Agree" radio button is selected then press the "Install" button.

 

*** IMPORTANT *** Please do NOT press the "Cancel" button because this is a necessary component to allow the ChaserView Bandwidth Usage Graph Program to run properly.

 

This screenshot shows that there is approximately 1 minute to go on this component to finish installing.

*** IMPORTANT *** Please do NOT press the "Cancel" button because this is a necessary component to allow the ChaserView Bandwidth Usage Graph Program to run properly.

 

Press the "OK" button to continue to the Service Pack installation for Microsoft .Net Framework 1.1 Files!

The installation process is almost done!

 

MS DOS Window now shows that we are about to install Microsoft .Net Framework 1.1 Service Pack 1 Files.

 

Click on the "OK" button to install Microsoft .Net Framework 1.1 Service Pack 1 Files.

 

Please wait for this process to finish.

*** IMPORTANT *** Please do NOT press the "Cancel" button because this is a necessary component to allow the ChaserView Bandwidth Usage Graph Program to run properly.

 

Press the "OK" button.

This completes the iPresence-U / ChaserView Remote PC installation process.

 

Terason Setup for use with Windows 7

March 2012:

We are unable to fully support computers with Windows 7 at this time. The ultrasound device currently not supporting Windows 7 for certain features. We will update the system as soon as possible. iPresence software can be used with Windows XP SP3 with no known issues.

Software by iPixCel Support team

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After consulting with Terason technical support, they suggest to use the combination of T3000 hardware with Windows 7 using the following method:

1. Click the Start Button, type devmgmt.msc in the “Start Search” box then press the "Enter" key.

2. Expand the "IEEE 1394 Bus Host Controllers" node in the device tree on the right hand pane.

3. Right Mouse click the host controller node select "Update driver software ..."

4. Select "Browse my computer for driver software"

5. Select "let me pick from a list of device driver on my computer..." and check the box before “Show compatible hardware”.

6. Choose the option: "1394 OHCI Compliant Host Controller (Legacy)" and click "Next" to update the driver.

You must enter the UNLOCK CODE to be able to use the Terason software and hardware. Please contact your T3000 hardware supplier for registration key.

 

Once you finish installation of T3000 or compatible device, then you must install the Terason software included with the T3000 hardware.

We tested with Terason T3000 Ultrasound Software "Version 4.6.2 (RELEASE-Build 2145)".

iPresence makes calls to the Terason T3000 Ultrasound Program via Terason Windows SDK with was developed and supplied by Terason.

During the installation of iPresence there is a DLL that is properly registered that allows us take Ultrasound Video "Frames" supplied by Terason T3000 Ultrasound Program from the Terason T3000 Hardware and then stuff the Video Frames into our Video Window which then allows us to stream the Ultrasound Images in Real Time. This feature is ONLY allowed in "iPresence-U / ChaserView" Version of ChaserView.

To the Standard ChaserView Version on the Receive PC, the Ultrasound Video looks as if it is coming in from a Video Source and is properly rendered.

If both ends of connection are required to use the Ultrasound machines and exchange ultrasound video in real time, then both PCs on each end must install the REMOTE version. Both PCs then are required to install the T3000 hardware and software.

 

CD-ROM Installation (Receive PC)

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*** IMPORTANT *** Each and every step of this installation procedure is required for proper operation of the overall solution.
   
  We suggest starting with a clean Windows installation of Windows XP or Windows 7 with all the latest Windows Updates and latest Windows Service Packs installed.

For Example, If using Windows XP then make sure that Service Pack 3 and the latest Windows Updates have been applied.

This will reduce the chances of having a Computer Virus as well as your PC will not be cluttered with software that may impede the proper operation of iPresence-U / ChaserView.
   
  We suggest further that you turn off Windows Updates and Windows Antivirus Programs while running iPresence-U / ChaserView to prevent Windows Reboots in the middle of a connected session and to allow best operation of the iPresence-U / ChaserView suite of programs.
   
  We have used a Windows 7 Installation of the iPresence and run the Program Files in Windows XP compatibility mode.

Our main issue with Windows 7 deals with the installation of Fire Wire cable and its' associated drivers provided by Microsoft for Windows.

If using a Windows XP, the Fire Wire installation process is easy and fast. Windows XP will recognize the drivers and everything works.

With Windows 7, there may be some difficulties. You must use Fire Wire Drivers with LEGACY versions. Click here to see what needs to be done to resolve this known issue in Windows 7.
   
  These instructions assume that you have already installed your Web Camera and the Web Camera drivers needed to use it in Microsoft Windows XP or Microsoft Windows 7.

 

Insert CD-ROM then launch / run Install-Chaserview batch file to start the installation procedure.

 

MS DOS window will pop up to start the installation process. Press the "Enter" to start the install procedure.

 

You will be presented with this screen. Click on the "Next" Button to continue.

 

Type integerzero then click on the "Next" Button to continue.

 

This shows the shortcuts that were created by the installation program.

 

ChaserView software has now been installed.

You do NOT need to Reboot the computer... Press the "Close" button to continue the installation process.

 

Next the installation will install the necessary support files such as Visual Studio 2005 C++ Runtime Files and its' service Pack Files.

 

Press the "Yes" button.

 

Press the "Next" button to install Windows Media Encoder 9 Engine.

 

If the support files have already been installed in your PC, then please press the "Repair" button to insure that Windows Media Encoder 9 Engine is properly installed.

 

Windows Media Encoder 9 Engine has been is installation.

 

Now the system will install the Microsoft .Net Framework 1.1 which is used by the ChaserView Bandwidth Usage Graph Program.

 

If you see the above message, then click on "Run Program" to continue.

 

Click on the "Yes" button to install the Microsoft .Net Framework 1.1 software.

 

Make sure that the "I Agree" radio button is selected then press the "Install" button.

 

*** IMPORTANT *** Please do NOT press the "Cancel" button because this is a necessary component to allow the ChaserView Bandwidth Usage Graph Program to run properly.

 

This screenshot shows that there is approximately 1 minute to go on this component to finish installing.

*** IMPORTANT *** Please do NOT press the "Cancel" button because this is a necessary component to allow the ChaserView Bandwidth Usage Graph Program to run properly.

 

Press the "OK" button to continue to the Service Pack installation for Microsoft .Net Framework 1.1 Files!

The installation process is almost done!

 

MS DOS Window now shows that we are about to install Microsoft .Net Framework 1.1 Service Pack 1 Files.

 

Click on the "OK" button to install Microsoft .Net Framework 1.1 Service Pack 1 Files.

 

Please wait for this process to finish.

*** IMPORTANT *** Please do NOT press the "Cancel" button because this is a necessary component to allow the ChaserView Bandwidth Usage Graph Program to run properly.

 

Press the "OK" button.

This completes the ChaserView Receive PC installation process.

 

This shows the ChaserView Receive PC Shortcuts.

 

Right Mouse Click on the Shortcut for ChaserView shows the above image.

 

If you are using Windows 7, you may need to run the software using "Windows XP (Service Pack 3)" compatibility mode if you have any issues with Windows 7.

 

C:\ChaserView Folder contents shown above.

 

Load ChaserView after Installation. The above picture is a copy of ChaserView running on Windows 7. Assuming that you have already properly installed your Web Camera Drivers and your Web Camera, then when you will see something like the above image.

Now you may proceed to connect to a receive or SEND (remote PC). Make sure both ends are using the same ports. Default ports installed with the software are: 8100, 8110, and 8120.

If this is the case, then you simply need to make sure that you have an internet connection with the proper ports opened (default ports are 8100, 8110, and 8120) for 2 way internet traffic then you are ready to connect to a remote PC. (Inbound or Outbound Call.)

 

About iPresence-U

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iPresence-U interface was designed for allowing real time interaction with the Terason Ultrasound Program in background, while allowing the Terason Ultrasound Program to be hidden from view.

When the Ultrasound Program is running, then the Video Feed from the Terason Ultrasound device is shown in the upper left of this program in the "Video" Window.

Using iPresence, you are then able to interact with the device (using attached probe), stream the Ultrasound Video in Real Time via Land Line or Broadband connection to say a hospital or Emergency Clinic, etc.

In addition to Streaming Live Ultrasound Video from the probe, iPresence-U can capture Ultrasound Video and Ultrasound Images as well as interact with a patient database. Recorded AVI Ultrasound Videos and Ultrasound Images can then be uploaded to a web page for viewing by the medical practitioner. (CV-GRAPH.EXE uploads the images and video clip to a preconfigured web page). You can record Patient Ultrasound Videos then stream them via "iPresence-U / ChaserView" program wirelessly. User can also CAPTURE video clips with longer durations, STORE and then STREAM using ChaserView.

Basic setup and quick tutorial: (Patient setup)

How to setup Patient? Use the above area of iPresence.

 

How to configure and work with the basic controls? use the above area of the iPresence to interact with the controls.

 

 

iPresence controls for Video capture and streaming from File. The above controls allow streaming of video using 2 different methods. You may use the WIRED VIDEO STREAM (640x480) if using a lan line connection. If using WI-FI, 3G, 4G or other wireless networks, we suggest using the WIRELESS VIDEO STREAM Control. A copy ChaserView will be loaded and ready for connection. All AVI files (Video clips of ultrasound) will be ready to stream over wireless. If you need to stream live interaction of the attached probe, then you must use the ChaserView.exe. We suggest to close iPresence.exe, then load ChaserView.exe. Use the WIDE mode and START the ULTRASOUND, then CONNECT to the other IP. A special BIT MAP program interacts with the probe and can stream ultrasound LIVE from the probe. Usually the latency is about 1-2 seconds.

Use may connect to another IP:

Once the initial audio and video connection is established, then the remote user may switch the video feed from CAMERA to ULTRASOUND PROBE. Currently duration of live video stream (using ChaserView.exe) is limited up to 20 minutes. Unlimited connections allowed as long as the process is not longer than limit imposed at the currecnt state of software revision.

User may also change the FRAME RATE of ultrasound Sound stream in real time. Currently 2-15 frames per second is allowed. We will offer more options as soon as more testing is done.

iPresence Ultrasound Screen with Ultrasound Video and Ultrasound Image playback.

 

From iPresence-U, you can use the Patient Detail to setup a new Patient. Once the new patient is setup, then for the selected Patient you can: (1) stream captured (pre-recorded) Ultrasound Videos; or (2) capture Ultrasound Videos; or (3) capture Ultrasound Images.

Each Patient's records will be created under "C:\ChaserView-Terason\Patient\" directory then the "Patients' name".

For Example: Patient First Name of "Bill" with Last Name of "New" would have their patient data stored under the:

   "C:\ChaserView-Terason\Patient\New_Bill\" Directory.

 

About iPresence-U / ChaserView

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This program is the software tool for interacting with the Terason probe directly and can transmit Live Ultrasound Video Stream OR TotalExam Camera Feed OR Web Camera in wireless situations.

We recommend using this solution over wireless networks.

About ChaserView Bandwidth Usage Graph Program

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This program offers a real time graph of available bandwidth, frame rate in addition to the File transfers of Images and Videos to a preconfigured web site. Such as:

1. Real time display of Video Bandwidth, Video Frames Per Second Rate, and Audio Bandwidth for Local (Your PC) the Remote PC (on the other side of the connection) in a Graphical Format similar how to Windows Task Manager shows CPU Usage History on its' Performance Tab.

2. Allows configuration of FTP (File Transfer Protocol) and configuration of Picture Watermarking of Images.

3. In the background - it uploads Pictures and Videos to your FTP / Web Site. If Picture Watermarking is desired, then "Watermarks" the pictures before uploading them. After each Picture or Video has been sent to your FTP / Web Site, You will see a Thumbnail of the most recently uploaded items during the current session.

4. Software Update check allows you to get the latest software updates (bug fixes and enhancements) and apply them to your computer when updates are available.

File Menu including the Configuration Items.

 

About Menu including "Software Updates".

 

Setup Remote Computer

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Choose a Modern Laptop / Notebook PC with the following:

  • Windows XP Service Pack 3 (Preferred)
    4 Gigabytes of RAM
    multiple USB 2.0 slots
    PCMCIA type II card slot
    Fire Wire Input PCMCIA Card Bus Fire Wire
    LAN Input for Ethernet

Terason T3000 hardware and software installed and tested.

Web Camera with its' Windows Drivers installed and tested.

USB Medical Camera (Optional) such as TotalExam Camera (manufactured and distributed) by Global Media.

Install iPresence-U via CD-ROM Installation (Remote PC)

Setup your network(s):

  • Use with Land Line
  • Use with Wireless 3G or 4G
  • Use with Inmarsat BGAN

 

T3000 portable hardware from Terason.

T3000 setup and configurations:

Terason T3000 Portable ultrasound device or compatible hardware with T3000 (see Terason web site or visit your dealer) must be attached by Fire Wire to the Notebook via PCMCIA Card Bus There is also a power supply for the T3000 Hardware and must be turned on. A custom Fire Wire cable from the T3000 to the PC (into the PCMCIA Type II Card Bus with PCMCIA FireWire inserted and configured for Windows XP) is included with the Device.

*** IMPORTANT *** You must install Terason Ultrasound Software which is included with the system. We used the Terason SDK (Software Development Kit) to develop our solution, therefore although we are not using any components of the included software, the hardware requires installation of bundled software.

We tested using the Terason Ultrasound Program version 4.6.2 (RELEASE-Build 2145) from Terason.

 

Setup Receive Computer

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Use a Modern Notebook or Desktop PC with Windows XP with Service Pack 3 and the latest Windows Updates applied.

We suggest a Modern Desktop PC attached to a true broadband.

Install ChaserView via CD-ROM Installation (Receive PC)

 

Using Inmarsat BGAN or Cellular or WiFi networks

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Using any of the wired or wireless network above is allowed. Special consideration must be applied to allow bidirectional or one-way video / audio and ultrasound traffic is allowed. ports 8100, 8110, 8120 must be opened for bidirectional access if behind any firewall or router. The same rules are applied if Inmarsat BGAN terminal configured a a router.

How to use iPresence-U with Inmarsat BGAN:

see full size imageThrane & Thrane Explorer 325 - 128k streaming class - up to 400k sharred bandwidth

 


Remote installation

Install iPresence software based on recommended specifications of computing platform (SEE TOP Sections)
Install Terason T3000 ultrasound based on recommended specification of computing platform
Install Web Cam based on recommended specification of Web Cam manufacturer and installation of web cam driver for Windows Operation system
Install BGAN terminal based on recommended specification of terminal manufacturer. We recommend static IP address over BGAN network
Start the PC and establish BGAN network access. Use Inmarsat DASHBOARD or access the network using the inbuilt web access control.You can use background IP and or streaming class based on desired output.

Load the ChaserView software from the ChaserView icon on desktop and then click on START ULTRASOUND icon. Configure the Ultrasound options.
Click on CONNECT to another location via webcam or audio only if desired
Click on STREAM ULTRASOUND

IMPORTANT: We assume you have already configured the PC for Terason 3000 hardware and software. We also assume the BGAN network is established and working. We do suggest a static IP address for the BGAN terminal. Contact your air time provider or call 405-414-7791 for extended technical support on BGAN network. We have tested the ultrasound streaming using the following models and air time:

Air time and Network connections, SIM card activation for BGAN network: www.satellitephonestore.com

Terminals: Thrane & Thrane TT700, Thrane & Thrane TT500, HUGHES Vehicular class terminals installed on a HUMMER H2 vehicle. For complete results and a white paper using the Terason T3000 with Inmarsat BGAN network, please email to: WEBMASTER@IPIXCEL.ORG

At the receive station:


Install ChaserView conferencing software version 2.1.8.0 or later
Establish network connection. Ports 8100, 8110, 8120 must be opened for bi directional access (UDP and TCPIP) if connected to a router
Double click on ChaserView and load ChaserView
Click on TOOLS - CONNECT TO STREAM
Click on File - Open URL from new window. Type the BGAN STATIC IP and ports number and click on CONNECT TO IP SELECTED. For example: http://BGANIPADDRESS:8080

Technical support: (405)-414-7791 or Support@ipixcel.org

 

How to use iPresence with Terason T3000 hardware

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From "iPresence-U / ChaserView" interface, click on "Wide" button on the right image above and expand the interface as shown below.

These instructions "assume" that you have Terason T3000 Ultrasound unit connected via Fire Wire cable to your PC, the Terason T3000 Drivers and Software are properly loaded, and finally that the unit is turned on with the proper Ultrasound Probe attached.

Click on "Start/Stop Ultrasound" button. It may take a few seconds before you see interaction with the probe. Now you may setup the "Ultrasound Video Frames Per Second Rate" and "Ultrasound Demo Length in Minutes" selections using the Combo Boxes in the lower right corner of the "iPresence-U / ChaserView" interface. See these 2 Combo Boxes for actual the range of selectable values.

After the "Ultrasound Demo Length in Minutes" has elapsed, the Ultrasound Video is stopped and control is returned to the Main Web Camera Device that is connected to your PC. You can transmit Live Ultrasound Video until the time has expired.

 



  
  
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