Sony FWD-50PX3 manual Analog Signal Detect Function, Syntax Header Category Function Data1 Data2

Code Table (1-a)

[a]Function		[b]Range/Switch Code		Command
				Control	Enquiry	Standby	Power On
0x74	Digital Signal Detect	0x00	VIDEO	No	Yes	Disable	Enable
	(DVI/HDMI/etc.) *6
		0x01	PC
0x75	Signal Status*7	0x00	Stable	No	Yes	Disable	Enable
		0x01	Unstable/No Signal
0x76	VIDEO Signal Detect	0x00	NTSC	No	Yes	Disable	Enable
		0x01	PAL (SECAM)

*3: Option3 Slot is Not Connect Now.

*4: Auto Signal Detect becomes Disable. When Option Slot is connected, Option command is Enable.

*5: Restricts a part of keys operation following below. [Remote Commander]

Menu, Picture, Sound, ECO (Power Saving), Sleep, Freeze, Contrast+/_,Brightness, Chroma, H Shift, V Shift, V size, PAP [Main]

Menu

*6: Digital Signal Status is Enable for Digital Input Signal Detect Function only in Stable.

*7: Digital Signal or VIDEO Signal is Enable. Return Signal Status of Active Window.

NOTE: modified RS-232 protocol

If “everyday” is selected, the enable bit for “everyday” should be copied to the bit for each day of week.

5. Analog Signal Detect Function

(a) Mode Control

Syntax	Header	Category	Function	Data1	Data2	Check Sum
Enquiry	0x83	0x00	Code Table (1-a) [a]	Code Table (1-d)	0xFF	0xXX
Answer	Header	Answer	Return to Data Size	Return Data1	Data2	Check Sum
Enquiry	0x70	0x00	0x02	Code Table (1-a) [b]	0xFF	0xXX	Completed

Code Table (1-a)

[a]Function	[b]Range/Switch Code		Command
			Control	Enquiry	Standby	Power On
0x78 Analog Signal Detect	0x00	VIDEO	No	Yes	Disable	Enable
	0x01	PC

1-a[b]

Code Table (1-d)		When input is no signal or not supported signal, return value is Video(0x00).
Input Select
0x00	Main
0x01	Sub
0xFF	Present input

FWD-50PX3 9