Volume Mute (Command : E); Volume Control (Command : F); Contrast (Command : G) - HP LD4200tm User Manual

Data 0 : Screen mute off (Picture on)
1 : Screen mute on (Picture off)
Acknowledgement
[d][ ][Set ID][ ][OK][Data][x]

05. Volume Mute (Command : e)

To control On/Off of the Volume Mute.
Transmission
[k][e][ ][Set ID][ ][Data][Cr]
Data 0 : Volume Mute On (Volume Off)
1 : Volume Mute Off (Volume On)
Acknowledgement
[e][ ][Set ID][ ][OK][Data][x]
Data 0 : Volume Mute On (Volume Off)
1 : Volume Mute Off (Volume On)

06. Volume Control (Command : f)

To adjust Volume.
Transmission
[k][f][ ][Set ID][ ][Data][Cr]
Data Min : 00H ~ Max : 64H
(Hexadecimal code)
Acknowledgement
[f][ ][Set ID][ ][OK][Data][x]
Data Min : 00H ~ Max : 64H
Refer to "Real data mapping" in this appendix.

07. Contrast (Command : g)

To adjust screen contrast. You can also adjust the contrast in the Picture menu.
ENWW Transmission / Receiving Protocol 49