NEC MultiSync 20WGX2 Series Service Manual page 74

7) When the screen as shown below appears, confirm that the correct data are displayed in the columns
of EDID DATA CONTENTS and Serial information.
If all the displayed data are [FF] or the like, or if the serial number is different from that of the
corresponding unit, then EDID data writing should be carried out.
8) Clicking the back button will display the screen in step 6. Select [EDID_WRITE] and press the [OK]
button.
9) When the screen as shown below appears, examine the serial number of the unit, enter an input in the
column of [Input Serial No.] through the keyboard, and press the [Input OK] button.
Enter an input in the column of [Year=>] in manufactured year(A.D. four digits) and [Month=>] in
manufactured month through the keyboard, and press the [Input OK] button.
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