PT-VW350, PT-VW350D, PT-VW350T, PT-VX420, PT-VX420D, PT-VX420T, PT-VX421 (serv.man4) - Panasonic Projector Service Manual (repair manual). Page 73

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ADJ-17
SECTION 3 ADJUSTMENTS
3. Serial No. Writing
   Check the command of Serial No. Writing appears on the "Send" column and input the Serial No. of the projector follow-
ing to its command. (Overwrite "*******" with the serial no. you want to set.) Click [Send] button to execute the writing. After 
completing the writing correctly, the response "000" appears on the "Receive" column.
Serial No. Writing Area
Writing command "CF SSERIAL"
Serial No. Checking Area
Checking command "CR SSERIAL"
  
CF_SSERIAL_DB1234567
Spaces
Serial No.
Serial No. Writing Format [Send]
 
000
Response
Response Format [Receive]
4. Serial No. Checking
   Check the command of Serial No. Checking appears on the "Send" column and click [Send] button. The serial no. provided 
on the projector appears on the "Receive" column.
  
Space
CR_SSERIAL
Serial No. Checking Format [Send]
 
000_DB1234567
Spaces
Serial No.
Response Format [Receive]
*  Restart the projector and check the correct serial no. is set on the "PROJECTOR SETUP" - "STATUS" sub menu  of the 
on-screen menu.
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