Samsung PE40C Manual page 50

1
Preparations
Ack

Header
0xAA
"Input Source": An input source code to be set on a product
Nak

Header
0xAA
"ERR": A code showing what error has occurred
Screen mode control
Function

The screen mode of a product can be changed using a PC.
Screen mode cannot be controlled when the
This control can only be used on models that include a TV.
Viewing screen status (Get Screen Mode Status)

Header
0xAA
Setting the picture size (Set Picture Size)

Header
0xAA
"Screen Mode": A code that sets the product status
0x01
0x04
0x31
0x0B
Command Data length
ID
0xFF
Command Data length
ID
0xFF
Command
ID
0x18
Command
ID
0x15
16 : 9
Zoom
Wide Zoom
4 : 3
Ack/Nak r-CMD
3 'A'
Ack/Nak r-CMD
3 'N'
Video Wall function is enabled.
Data length
Checksum
0
Data length
1 "Screen
Mode"
Val1
Checksum
"Input
0x14
Source"
Val1
Checksum
0x14 "ERR"
Data
Checksum
1 Preparations
50