Analog Signal Detect Function - Sony FWD-50PX3 Protocol Manual

Code Table (1-a)
[a]Function
0x74 Digital Signal Detect
*6
(DVI/HDMI/etc.)
*7
0x75 Signal Status
0x76 VIDEO Signal Detect 0x00
*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
Enquiry 0x83 0x00
Answer Header Answer
Enquiry 0x70 0x00
Code Table (1-a)
[a]Function
0x78 Analog Signal Detect 0x00
Code Table (1-d)
Input Select
0x00 Main
0x01 Sub
0xFF Present input
FWD-50PX3
[b]Range/Switch Code
0x00 VIDEO
0x01 PC
0x00 Stable
0x01 Unstable/No Signal
NTSC
0x01 PAL (SECAM)
Function
Code Table (1-a) [a]
Return to Data Size
0x02
[b]Range/Switch Code
VIDEO
0x01 PC
1-a[b]
When input is no signal or not supported signal, return value is Video(0x00).
Command
Control Enquiry
No Yes
No Yes
No Yes
Data1 Data2
Code Table (1-d) 0xFF
Return Data1 Data2
Code Table (1-a) [b] 0xFF
Command
Control Enquiry
No Yes
Standby Power On
Disable Enable
Disable Enable
Disable Enable
Check Sum
0xXX
Check Sum
0xXX Completed
Standby Power On
Disable Enable
9