Asus AAEON UP Xtreme UP-WHL01 - Page 102

CEC Client Installation 47
CEC Client Installation Supplemental Appendix for UP Xtreme
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
Description
Parameters
Response
Supported
<Give
Audio
Status>
0x71
Requests an
amplifier to send
its volume and
mute status
None
<Report Audio
Status>
Yes
<Give
System
Audio
Mode
Status>
0x7D
Requests the
status of the
System Audio
Mode
None
Amplifier sends a
<System Audio
Mode Status>
message indicating
status (On or Off)
Yes
<Report
Audio
Status>
0x7A
Reports an
amplifier’s volume
and mute status
[Audio
Status]
Yes
<Set
System
Audio
Mode>
0x72
Turns the System
Audio Mode On
or Off.
[System
Audio
Status]
If set to On, the TV
mutes its speakers.
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.
Yes
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