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Can’t see the student/Tutor video- 
Tutor side:- Check if the networks goes fine. Rejoin the classroom.
- Check with the link: http://www.speedtest.net/
- Check if the audio works or not
- Quit from the current classroom and rejoin again.
 
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Student side:- Check if the camera works properly
- Check for an issues with thislink: http://api.duobeiyun.com/ittest/content.html?result=CALLBACK_URL&lang=en&uid=123456&KEY=VALUE
- Check if there is any other program using the camera
- Check if the camera works successfully in other software (skype, qq, etc)
 
 
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Can’t send messages- 
Tutor side:- Check if the 'websocket status' is shown as 'connected'
- Refresh the whole page and wait for the 'websocket status' to become 'connected'
 
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Student side:- Refresh the whole page and wait for 1 min. Send message again to check. If the message in the chat box shows as 'black' instead of 'red', it is fixed.
- If not working, alert your tutor -- they can address the problem from their side
 
 
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Can’t upload PDF- 
Tutor side:- Click 'upload' button and select the file you want to upload
- Wait for the pop-up alert to disappear automatically. (Warning: Don't click any other area of the whiteboard, otherwise, it means you cancel the uploading process)
- After the pop-up disappears automatically, the whiteboard might remain blank for a minute. Wait until the first images are loaded.
 
 
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The PDF doesn’t “fully” load- 
Tutor side:- Click 'Previous' or 'Next' buttons on the bottom. Wait for 1 minute to check if the image is loaded or not.
- Upload the pdf again and check if the pages come back or not.
 
 
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The PDF is taking too long to load- 
Tutor side:- Cancel the upload process
- Re-upload again the pdf
 
 
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Can’t choose file to load- 
Tutor side:- Refresh the page to initiate the whiteboard again
- Make sure you only click 'upload' button once and wait for the pop-up dialogue to come back up
 
 
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Can’t save file- This feature is not currently active in our whiteboard
 
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Can’t video record lesson- This feature is not currently active in our whiteboard
- The system does automatic recorded depending on the company’s preferences
 
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‘My status’ disconnect- 
Tutor side:- Check your hardware are all ready for the classroom (camera, microphone, etc) with this link http://api.duobeiyun.com/ittest/content.html?result=CALLBACK_URL&lang=en&uid=123456&KEY=VALUE
- Check if you allow your browser to access your hardware
- Refresh the page or rejoin the classroom again
 
 
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Websocket disconnect- 
Tutor side:- Refresh the page or rejoin the classroom again.
 
 
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Can’t submit class notes- 
Tutor side:- Click the button again to double check
- Login the website again and goes to the classnote list to modify the one you want.
 
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Student side:- Login to your account in another tab
- Try again to submit notes
 
 
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Internet connection unstable- 
Tutor side:- Restart your model or switcher or router.
- Join the class again.
 
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Student side:- Restart your model or switcher or router
- Join the class again
 
 
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Can only see whiteboard tools moving- 
Tutor side:- Refresh the page or rejoin the classroom.
 
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Student side:- Refresh the page or rejoin the classroom.
 
 
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What happens if the student leaves the class- 
Tutor side:- Ask our consultant to check if the student doesn't want to finish the class.
- If student doesn't want to finish the class, click 'End' to mark this lesson is already finished.
- If student meets some problem which leads to leave the classroom, ask IT support to check what happened to the student
 
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2) Student side:- If student meets problems in classroom, contact consultant to get support.
 
 
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What happens if tutor leaves the class- 
1) Tutor side:- If tutor leave classroom by exception, try to rejoin it first. At this time, student will be kick-off from the classroom too. Ask the consultant to inform student to join again.
 
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2) Student side:- If tutor leave classroom by exception, try to rejoin it as first choice. If it still failed, ask consultant to check what happened.
 
 
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How join class- 
Tutor side:- Login the backend system.
- Click schedule to view all owned schedule.
- Click on the one you want to join.
- Click 'Start class' now.
- A new page within classroom will be shown up.
- Upload pdf and make sure pdf is already loaded.
- Send 'hi' in message to check if the message works.
- Click 'join' button on the right top to mark this classroom is ready for the student to join.
- Check if camera works for yourself.
- Check if student camera works after student joins.
 
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Student side:- Login the student side.
- Check the coming up schedule class.
- Click item in calendar.
- After the tutor click 'join' at the backend, the 'Start class' button will become green from red.
- Click 'Start class' to join the classroom.
 
 
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How to know if i’ve successfully joined class?- 
Tutor side:- Whiteboard works
- Message sends successfully
- Can see each other
- Can hear each other
 
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Student side:- Whiteboard works
- Message sends successfully
- Can see each other
- Can hear each other
 
 
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How to leave class- 
Tutor side:- Click 'End' in the top right (It is important! If you don't click this button and just close the page, the class won't be marked as 'Finished'.)
 
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Student side:- Click 'Leave' in the top right
 
 
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Does it matter if student or tutor leaves first?- 
Tutor side:- Better to wait for the student leave first.
 
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Student side:- It doesn't matter. Whether a student leaves first or tutor leaves first, a new feedback page will be shown.
 
 
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What does ‘Show Time’ mean?- 1) Tutor side:
- It means how many minutes are left for this class.
- When it is 10 mins left, system will pop-up an alert to inform the tutor.
 
- 2) Student side:
- It means how many minutes are left for this class.
 
 
- 1) Tutor side:
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How to zoom in?- 
Tutor side:- Whiteboard, using the tool on the right hand side.
- The whole page, using the mouse wheel.
 
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Student side:- Whiteboard, using the tool on the right hand side.
- The whole page, using the mouse wheel.
- Mobile, using two finger within some action.
 
 
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How to move the screen?- 
Tutor side:- Use the whiteboard tool on the left side.
 
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Student side:- Use the whiteboard tool on the left side.
 
 
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Why does the screen move when I move my mouse?- 
Tutor side:- Try the next page and then go back to the previous page.
- Mouse hardware issue. Try to replace it with a new one.
 
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Student side:- Move the mouse out of the screen.
- Mouse hardware issue. Try to replace it with a new one.
 
 
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Can I print?- 
Tutor side:- No
 
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Student side:- No
 
 
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