ViewSonic VG712s Service Manual page 50

Step 3. Key in the serial number or use the barcode reader to scan the barcode of the monitor, and then press "Enter" key.
Notice: The English of the serial number should be capital letters.
Step 4. The successful picture is as follows. "The checksum values will appear after DDC is upgraded successfully in both VGA
and DFP (DVI) modes."
Confidential - Do Not Copy
ViewSonic Corporation VG712s/b
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