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Currently , I can send the word to led display
eg " Testing"

But i want to know all the dots on the led display is working or not. So I want to send the command to light up every dots on the led display.

Please help me if you have any ideas.

Thanks a lot.
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BillWoodruff 12-Mar-14 4:38am    
How can we possibly help you if you don't tell us what device you are using, what api to the device that uses C# you have, and show us your code ?
CPallini 12-Mar-14 4:38am    
Without knowing what is the actual device how could we help?
However, it could be they provide a special character that lights up every dot of the character frame, you could read the documentation.

You should talk to the people who created it - they should provide technical support and will know more about their product than we will. If they don't, then find another supplier and demand your money back!

We can't tell you what to do: we have no idea which LED display you are using!
 
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George Jonsson 10-Jul-14 4:47am    
Makes sense.
If you haven't the display documentation or you simply cannot control the single dot (e.g. pure alphanumeric display) then send a sequence of alphanumeric characters in order to test all the dots.
On the other hand, if you could have the full control of the device then check out the documentation and send the appropriate command(s).
 
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