Key (command: m c), Osd select (command: k l), Elapsed time return (command: d l) – HP LD4235 41.92-inch LED Digital Signage Display User Manual
Page 109: Serial no.check (command: f y)
Acknowledgement
[m][ ][Set ID][ ][OK/NG][Data][x]
48. Key (Command: m c)
To send a key code of the IR remote control.
Transmission
[m][c][ ][Set ID][ ][Data][Cr]
Data
IR_KEY_CODE
Acknowledgement
[c][ ][Set ID][ ][OK/NG][Data][x]
For a key code, see the IR Code.
* Some key codes are not supported depending on the model.
49. OSD Select (Command: k l)
To select OSD (On Screen Display) on/off.
Transmission
[k][l][ ][Set ID][ ][Data][Cr]
Data
00: Off
01: On
Acknowledgement
[l][ ][Set ID][ ][OK/NG][Data][x]
50. Elapsed time return (Command: d l)
To check the panel used time.
Transmission
[d][l][ ][Set ID][ ][Data][Cr]
Data
FF: Read the status
Acknowledgement
[l][ ][Set ID][ ][OK/NG][Data][x]
* Returned data means used hours in hexadecimal.
51. Serial No.Check (Command: f y)
To check the Serial Numbers.
Transmission
Transmission / Receiving protocol
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