NEC SP-P42P1 - Manual (Page 3)

6 Serial Number Label
J: Fixed
1: Fixed
Serial (1 to 9999) reset when 10000
Model Code (SP-P42P1: "3")
0: Fixed
Month (1 to 9, X, Y, Z)
Year (last digit)
7 Accessory
User's Manual 1 pc
Screws 16 pcs.
Speaker Codes (L1500mm) 2 pcs.
Code Clamper 2 pcs.
Cushion 2 pcs.
8 Country of manufacture China
9 Environmental Regulation RoHS
740312341J