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Appendix B
I. Serial Number System Definition
Serial Number Format for Projector
Q
87F
1
2
1
:
2
:
3
:
4
:
6
:
7
:
8
:
EX: Q87F742AAAAAC0001
This label represents the serial number for EP783. It is produced for USA at CPC on thirty-
seven week of 2007. Its serial code is 0001.
7
42
AAAAA
3
4
Q = Optoma
87F = Project code
7 = Last number of the year (ex:2007 = 7)
42 = week of the year ( ex:the forty-two week of the year = 42)
AAAAA = not-defined
C = Manufacture factory (TW or CPC)
0001 = Serial code
EP783/EP783S/EP783L/OPX5000/TX783L/TX783S Confidential
C
5
6
0001
7
XVIII
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