NEC PX-50XM4 series Service Manual page 286

• How to read the serial number
Serial No.      
 ················· Year of manufacture (lower one digit of the year)
 ················· Month of manufacture (January to September = 1 to 9, October = X, November = Y,
December =Z)
 ················· GS model: 1, Other than GS model: 0
 ······ Serial numbers of 0001 to 9999. The serial number starts with 0001 in each month of
production. There is no duplication or missing of the number in the same month.
 ················· Place of manufacture
 ················· Control number
(* Arbitrary for the first symbol)
(Example)
(Example) When entering a serial number of [2900123 9Z]
Move the POSITION/CONTROL keys of [

MODEL NAME
SERIAL/NUMBER
SOFT WARE VERSION
USAGE TIME
T1 025
T3 025
Move the POSITION/CONTROL keys of [

MODEL NAME
SERIAL/NUMBER
SOFT WARE VERSION
USAGE TIME
T1 025
T3 025
S→A→M→T→Z→N→K→U→C→W→J→P
First unit in March 1999
First unit in November 2000
MONITOR INFORMATION
: PX-61XM3A
: 2
: F123
: 00000H
T2 025
T4 - -
[MENU/ENTER] NEXT
MONITOR INFORMATION
: PX-61XM3A
: 2
: F123
: 00000H
T2 025
T4 - -
[MENU/ENTER] NEXT
→ 93000019C
→ 0Y000019W
] and [ ] to select [2].
[EXIT] PREV
] and [ ] to select the next digit.
[EXIT] PREV
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