Sony FWD-50PX1 d Software version enquiry Main CPU, e H/V frequency enquiry, Code -b, Code -c

(d) Software version enquiry (Main CPU)

Syntax	Header	Category	Function		Data1	Data2	Check Sum
Enquiry	0x83	0x30	0x03		0xFF	0xFF	0xB4
Answer	Header	Answer	Return to Data Size		Return Data1	Return Data2
Enquiry	0x70	0x00	0x03		Upper 8bit Data	Lower 8bit Data	Completed
Return Data1-Data2: 0x0000-0xFFFF
(e) H/V frequency enquiry
Syntax	Header	Category	Function		Data1	Data2	Check Sum
Enquiry	0x83	0x30	Code Table (4-b)		0xFF	0xFF	0xXX
Answer	Header	Answer	Return to	Return Data1 Return Data2		Return Data3	Return Data4	Check Sum
			Data Size
Enquiry	0x70	0x00	0x05	Upper 8bit	MiddleUpper	MiddleLower	Lower 8bit	0xXX	Completed
				Data	Data	Data	Data
Return Data1-Data4: 0x0000-0xFFFF
Code Table (4-b)
Function
0x04		H Frequency
0x05		V Frequency
(f) Sync polarity enquiry
Syntax	Header	Category	Function		Data1	Data2	Check Sum
Enquiry	0x83	0x30	0x06		0xFF	0xFF	0xB7
Answer	Header	Answer	Return to Data Size		Return Data1	Check Sum
Enquiry	0x70	0x00	0x02		Code Table (4-c)	0xXX	Completed
Answer	Header	Answer	Check Sum
Enquiry	0x70	0x03	0x73		Command Canceled
Code Table (4-c)
Sync Polarity
0x00		H: Nega/V: Nega
0x01		H: Nega/V: Posi
0x02		H: Posi/V: Nega
0x03		H: Posi/V: Posi
0x04		SonG
0x05		No H/V Sync

FWD-50PX1 15