HP LD4235 41.92-inch LED Digital Signage Display - Manual (Page 91)

* Only when the display is fully powered on, the Acknowledgement signal is returned properly. * There may
be a certain time of delay between the Transmission and Acknowledgement signals.
02. Input Select (Command: x b)
To select the Input Source for display.
Transmission
[x][b][ ][Set ID][ ][Data][Cr]
Data
20: Input (AV)
40: Component
60: RGB
70: VOE(PC)
80: VOE(DTV)
90: HDMI(HDMI1)(DTV)
A0: HDMI(HDMI1)(PC)
C0: Display Port(DTV)
D0: Display Port(PC)
91: HDMI2/SDI(DTV)
A1: HDMI2/SDI(PC)
Acknowledgement
[b][ ][Set ID][ ][OK/NG][Data][x]
*Some input signals may not be supported depending on the model.
03. Aspect Ratio (Command: k c)
To adjust the screen format.
Transmission
[k][c][ ][Set ID][ ][Data][Cr]
Data
01: 4:3
04: Zoom
09: Just scan (720p or more)
(Component, HDMI/ Display Port DTV)
* RGB, HDMI/Display Port PC mode
(1:1)
10 to 1F: Cinema Zoom 1 to 16
(AV, Component, HDMI DTV)
Transmission / Receiving protocol 81