Philips 227E3QSU/93 Service Manual page 48

Meridian 3
48
4. Select the "Philips 227EL" and then click "OK", the tool will read the EDID information:
5. Choose the "Only connect VGA" and "Write SN", and key in the 14 digital S/N that must be the same as the S/N
in the monitor barcode.