Velleman HAA920 Notice D'emploi page 23

Connection setup (RS232/RS485)
After installing the software, set the serial port transmission speed on the computer.
Open "control panel" and select "System".
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• In the tab "Hardware" select "Device Manager".
Expand "Ports (COM&LPT)" and double-click on "Communications Port (COM1)".
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In the tab "Port Settings" set the baud rate "Bits per second" to 38400.
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Using the software
Double click the "Attendance System V2.0" icon on the desktop to start the program
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The System Use Guide opens.
19.08.2014 – v. 3
HAA920
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