Optoma EP721 Family Service Manual page 82

Appendix B
I. Serial Number System Definition
Serial Number Format for Projector (For EP721)
Q 88N
1 2
1 :
2 :
3 :
4 :
5 :
6 :
7 :
EX: Q88N731AAAAAC0001
This label represents the serial number for EP721. It is produced at CPC on thirty-one
week of 2007. Its serial code is 0001.
7 31 AAAAA C
3 4
Q = Optoma
88N = Project code
7 = Last number of the manufacture year (ex:2007 = 7)
31 = week of the manufacture year ( ex: the thirty-one week of the
year = 31)
����� �� not��efine� ����� �� not��efine�
C = Manufacture factory (TW or China) C = Manufacture factory (TW or China)
0001 = Serial code 0001 = Serial code
EP721/727/723/728 Family / EW1610 Family
0001
5 6 7
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