Asus Aaeon UP Xtreme UPX-WHL01 User Manual page 103

The following messages are used for the System Audio Control feature: <Give Audio
Status>, <Give System Audio Mode Status>, <Report Audio Status>, <Set System
Audio Mode>, <System Audio Mode Request>, <System Audio Mode Status>, <User
Control Pressed>, <User Control Released>.
OpCode Value
<Give 0x71
Audio
Status>
<Give 0x7D
System
Audio
Mode
Status>
<Report 0x7A
Audio
Status>
<Set 0x72
System
Audio
Mode>
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CEC Client Installation
Description
Requests an
amplifier to send
its volume and
mute status
Requests the
status of the
System Audio
Mode
Reports an
amplifier's volume
and mute status
Turns the System
Audio Mode On
or Off.
Parameters Response
None <Report Audio
Status>
None Amplifier sends a
<System Audio
Mode Status>
message indicating
status (On or Off)
[Audio
Status]
[System If set to On, the TV
Audio mutes its speakers.
Status] The TV or STB sends
relevant <User
Control Pressed> or
<User Control
Released> as
necessary. If set to
Off, the TV unmutes
its speakers. The TV
or STB stop sending
the volume-related
<User Control
Pressed> or <User
Control Released>
messages.
Supported
Yes
Yes
Yes
Yes
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