HP LD4235 41.92-inch LED Digital Signage Display - Manual (Page 95)

14. H Size (Command: f s)
To adjust the screen Horizontal Size.
* This function is available only when the Tile Mode is set to Off.
* The operational range varies depending on the RGB input resolution (Only available for RGB-PC input.)
Transmission
[f][s][ ][Set ID][ ][Data][Cr]
Data
00 - 64: Min. -50 (Reduce) - Max. 50 (Expand)
Acknowledgement
[s][ ][Set ID][ ][OK/NG][Data][x]
15. Auto Configuration (Command: j u)
To adjust the picture position and minimize image shaking automatically.
(Only available for RGB-PC input.)
Transmission
[j][u][ ][Set ID][ ][Data][Cr]
Data
01 : Set
Acknowledgement
[u][ ][Set ID][ ][OK/NG][Data][x]
16. Balance (Command: k t)
To adjust the sound balance.
Transmission
[k][t][ ][Set ID][ ][Data][Cr]
Data
00 to 64: Left 50 to Right 50
Acknowledgement
[t][ ][Set ID][ ][OK/NG][Data][x]
17. Sound Mode (Command: d y)
To adjust the sound mode.
Transmission
[d][y][ ][Set ID][ ][Data][Cr]
Data
01: Standard
Transmission / Receiving protocol 85