Velleman projects EDU05 Assembly instructions - Manual (Page 6)

EDU05 Test procedure & programming in Visual Basic 2010 ( Version 1.0)
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3. Testing the communication with the PC
Press button “8” to start the communication with the PC. The LCD shows the message “CONNECTING”. When the
connection has succeeded, the display indicates “USB CONNECTED”.
YOU MUST PRESS BUTTON 8 TO BE ABLE TO COMMUNICATE WITH THE PC!