![](/images/backgrounds/122345/bg4a.png)
Command/response table for MSVPP commands (continued)
Command MSVPP Command
(host to unit)
Response
(unit to host)
Additional description
Audio muteNOTE: Audio is unmuted (is output) when power is cycled.
Mute the audio SetAudioMute•X#•1}OK]Mute disables the audio output from all 16 audio
channels when the media player is in 1-channel mode.
Mute disables audio channels 1 through 8 for video
channel 1 and audio channels 9 through 16 for video
channel 2 when the media player is in 2-channel or
2-channel locked mode.
Unmute the audio SetAudioMute•X#•0}OK]
View mute status GetAudioMute•X#} AudioMute•X#•X1#]
AudioMute]
Example: GetAudioMute•1}AudioMute•1•1]
AudioMute]
Output 1 audio is muted
Audio volumeNOTES: • Leading zeroes are accepted but not required.
• For any value other than zero, the negative sign must be entered.
Set the audio volume SetAudioVolume•X#•X2$left•X2$right}OK]Enter volume (X2$) in left channel•right channel order.
Example (1 channel): SetAudioVolume•1}OK]Set channel 1 audio to 0 dB of attenuation (full volume.
View audio volume GetAudioVolume•X#} AudioVolume•X#•X2$left•X2$right]
AudioVolume]
Example (2 channels): GetAudioVolume•1,2}AudioVolume•1•0•0]
AudioVolume•2•–144•–144]
AudioVolume]
The channel 1 audio has 0 dB of attenuation.
The channel 2 audio has full attenuation (minimal volume).
License keysInstall a license key InstallLicense•X2%} OK]Install a license (enable a media player function).
View all installed
licenses
GetInstalledLicenses]License•X2^]
License]
The media player returns as many licenses (X2^s) as are
installed on the media player.
KEY: X# = Output 1 = channel 1 2 = channel 2 1,2 = both channels
X2$ = Volume 0 (no attenuation, full volume) through –144 (full attenuation, audio effectively muted)
X1# = On/off (audio mute, loop, input trigger) 0 = off or 1 = on
X2% = License key 32 alphanumeric digits
X2^ = License Installed license (such as “V2HD“ or “V22K“