Digital Cordless Surround Headphone Manual

SE-DIR800C
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7
8
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D
F
A
B
E
7.3 ABOUT LOT MARK INDICATION
7 Lot mark is sealing indication to the above part of the product.
Indication of lot is four columns
0424
2004
Indicates the total weeks through the year
Date codeTX
RX
Date code location
XXXX
TX sticker
placed in middle