NEC ASPV46-AVT - AccuSync - 46" LCD TV Setup page 7

Transmission / Receiving Protocol
Transmission
[Command1][Command2][ ][SetID][ ][Data][Cr]
* [Command1] : First Command (k or t)
* [Command2] : Second Command
* [ ] : Spece(ASCII Code)
* [SetID] : SetID in special menu
* [Data] : To transmit command data
* [Cr] : Carriage Return
OK Acknowledgement
[Command2][ ][Set ID][ ][OK][Data][x]
* The Monitor transmits ACK (acknowledgement) based on this
format when receiving normal data. At this time, if the data is
data read mode, it indicates present status data. If the data is
data write mode, it returns the data of the PC computer.
Error Acknowledgment
[Command2][ ][Set ID][ ][NG][Data][x]
* The Monitor transmits ACK (acknowledgement) based on
this format when receiving abnormal data from
non-viable functions or communication errors.
01. Power (Command 2 : a)
To control Power On/Off of the set
Transmission
[k][a][ ][Set ID][ ][Data][Cr]
Data 0 : Power Off
OK Acknowledgement
[a][ ][Set ID][ ][OK][Data][x]
To show Power On/Off
Transmission
[k][a][ ][Set ID][ ][FF][Cr]
OK Acknowledgement
[a][ ][Set ID][ ][OK][Data][x]
* In like manner, if other functions transmit '0xFF' data based on this
format, Acknowledgement data feed back presents status about each
function.
External Control Device Setup
1 : Power On
02. Input Select (Command 2 : b)
To select input source for the Monitor.
You can also select an input source using the INPUT button on the
Monitor's remote control.
Transmission
[k][b][ ][Set ID][ ][Data][Cr]
Data 0 : DTV
2 : AV1
4 : AV3
6 : Component
8 : HDMI1
A : HDMI3 (Option)
OK Acknowledgement
[b][ ][Set ID][ ][OK][Data][x]
03. Aspect Ratio (Command 2 : c) (Main Picture Size)
To adjust the screen format. (Main picture format) You can also
adjust the screen format using the ASPECT button on remote control
or in the Main/PIP menu.
Transmission
[k][c][ ][Set ID][ ][Data][Cr]
Operating mode : TV, AV, S-VIDEO
Data 0 : 16:9
2 : 4:3
4 : ZOOM2
Operating mode : DTV, Component, PC-RGB, HDMI
Data 0 : 16:9
OK Acknowledgement
[c][ ][Set ID][ ][OK][Data][x]
04. Volume Mute (Command 2 : d)
To control volume mute on/off.
You can also adjust mute using the MUTE button on remote
control.
Transmission
[k][d][ ][Set ID][ ][Data][Cr]
Data 0 : Volume Mute off (Volume on)
1 : Volume Mute on (Volume off)
OK Acknowledgement
[d][ ][Set ID][ ][OK][Data][x]
05. Screen Mute (Command 2 : e)
To select screen mute on/off
Transmission
[k][e][ ][Set ID][ ][Data][Cr]
Data 0 : Screen Mute off (Picture on)
1 : Screen Mute on (Picture off)
OK Acknowledgement
[e][ ][Set ID][ ][OK][Data][x]
7
1 : TV
3 : AV2
5 : S-Video
7 : PC-RGB
9 : HDMI2
1 : 14:9
3 : ZOOM1
5 : SPECTACLE
1 : 4:3