Sony PFM-42V1 - Manual (Page 17)

(f) Sync polarity enquiry
Syntax Header Category Function Data1 Data2
Enquiry 0x83 0xFF 0xFF
Execute Judge 0x89
0x30 0x06
0xFF 0xFF
Answer Header Answer Return Data Size Return Data1
0x70 0x00 0x01 Code Table
(4-c)
Completed Enquiry
0x70 0x03 Command Cancel
0x70 0x03 Command Disable Execute Judge
0x70 0x04 Command All Enable
Code Table (4-c)
Execute Judge ACK
Function
Standby
Setup
Sequence
Power
On
0x00 H:Nega / V:Nega Disable Disable Enable
0x01 H:Nega / V:Posi Disable Disable Enable
0x02 H:Posi / V:Nega Disable Disable Enable
0x03 H:Posi / V:Posi Disable Disable Enable
0x04 SonG Disable Disable Enable
0x05 No H/V Sync Disable Disable Enable