Sony FWD-42PV1A Protocol Manual page 11

(ｃ)Time Control
- Clock Set (Hour, Minute)
Syntax Header Category
Control 0x8C 0x00
Syntax Header Category
Enquiry 0x83 0x00
Answer Header Answer
Control 0x70 0x00
0x70 0x01
0x70 0x02
0x70 0x03
Answer Header Answer
Enquiry 0x70 0x00
* If Clock Set is not done after ex-factory, Return Data is set as Hour: 0x80, Minute: 0x00.
- Clock Set (Week)
Syntax Header Category
Control 0x8C 0x00
Syntax Header Category
Enquiry 0x83 0x00
Answer Header Answer
Control 0x70 0x00
0x70 0x01
0x70 0x02
0x70 0x03
Answer Header Answer
Enquiry 0x70 0x00
Code Table(1-e)
Week Select
Sunday
0x00
Monday
0x01
0x02 Tuesday
Wednesday
0x03
Thursday
0x04
Friday
0x05
Saturday
0x06
Function
Data1
0x22 0x03
Function
Data1
0x22
0xFF
Check Sum
0x70 Completed
0x71 Limit Over
0x72 Limit Under
0x73 Command Canceled
Return to Data Size Return Data1 Return Data2 Check Sum
0x03 Hour: *
0x00-0x17
Function Data1
0x23 0x02
Function
Data1
0x23
0xFF
Check Sum
0x70 Completed
0x71 Limit Over
0x72 Limit Under
0x73 Command Canceled
Return to Data Size Return Data1 Check Sum
0x02 Week: Code
Table(1-e)
Data2 Data3
Hour: Minute:
0x00-0x17 0x00-0x3B
Data2 Check Sum
0xFF 0xA3
Minute: 0xXX
0x00-0x3B
Data2 Check Sum
Week: Code 0xXX
Table(1-e)
Data2 Check Sum
0xFF 0xA4
0xXX Completed
Check Sum
0xXX
Completed