Panasonic UF-490 Service Manual page 14

1.3.1. Serial Number Contents
All units manufactured beginning in April 2001* will utilize this New Serial Number format. The contents of
the 11-digit Serial Number is as follows:
Note:
Model UF-490 will utilize this format starting with first production.
1 2 3 4 5 6 7 8
Sequential Production Number
5-Digit Sequential Production Number
00001 ~ 99999 = 1 ~ 99,999 units
A0001 ~ Y9999 = 100,000 ~ 329,976 units
(Letters "I" and "O" are skipped)
Model Number and Destination Code (Main Unit)
3-Digit number or alphanumeric representation
(Except Letters "I" and "O")
For Example:
0A W = DP-3000E-PU
0AE = DP-2500-PU
Production Facility
Production Year
Starting with Year 2001, the last 2-digits of the year is
represented as: A ~ T
A : 01 (2001)
B : 02
C : 03
D : 04
E : 05
F : 06
G : 07
H : 08
I : 09
J : 10 (2010)
Production Month
A : January
B : February
C : March
D : April
E : May
F : June
14
9 10 11
1AT = UF-490-AU
K : 11 (2011)
L : 12
M : 13
N : 14
O : 15
P : 16
Q : 17
R : 18
S : 19
T : 20 (2020)
G : July
H : August
I : September
J : October
K : November
L : December