Sony PFM-42V1 - Manual (Page 16)

(d) Software version enquiry
Syntax Header Category Function Data1 Data2
Enquiry 0x83 0xFF 0xFF
Execute Judge 0x89
0x30 0x03
0xFF 0xFF
Answer Header Answer Return Data Size Return Data1 Return Data2
Enquiry 0x70 0x00 0x02 Upper 8bit
Data
Lower 8bit
Data
Completed
Execute Judge 0x70 0x04 Command All Enable
Return Data1 – Data2: 0x0000 – 0xFFFF
(e) H/V frequency enquiry
Syntax Header Category Function Data1 Data2
Enquiry 0x83 0xFF 0xFF
Execute Judge 0x89
0x30 Code Table (4-b)
0xFF 0xFF
Answer Header Answer Return Data Size Return Data1 Return Data2
0x70 0x00 0x02 Upper 7bit
Data
Lower 7bit
Data
Completed Enquiry
0x70 0x03 Command Cancel
0x70 0x03 Command Disable Execute Judge
0x70 0x04 Command All Enable
Return Data1 – Data2: 0x0000 – 0xFFFF H Frequency = Return Data X 10 [Hz]
V Frequency = Return Data / 100[Hz]
Code Table (4-b)
Execute Judge ACK
Function
Standby
Setup
Sequence
Power
On
0x04 H Frequency Disable Disable Enable
0x05 V Frequency Disable Disable Enable