Asus AAEON UP Xtreme UP-WHL01 - Page 103

CEC Client Installation 48
CEC Client Installation Supplemental Appendix for UP Xtreme
OpCode
Value
Description
Parameters
Response
Supported
<System
Audio
Mode
Request>
0x70
A device
implementing
System Audio
Control and which
has volume
control RC buttons
(eg TV or STB)
requests to use
System Audio
Mode to the
amplifier
[Physical
Address]
The amplifier comes
out of standby (if
necessary) and
switches to the
relevant connector
for device specified
by [Physical
Address]. It then
sends a <Set System
Audio Mode> [On]
Message. <System
Audio Mode
Request> sent
without a [Physical
Address] parameter
requests termination
of the feature. In this
case, the amplifier
sends a <Set System
Audio Mode> [Off]
message.
Yes
<System
Audio
Mode
Status>
0x7E
Reports the
current status of
the System Audio
Mode
[System
Audio
Status]
If [On], the device
requesting this
information can
send the volume-
related <User
Control Pressed> or
<User Control
Released>
messages.
Yes
<User
Control
Pressed>
0x44
Used to indicate
that the user
pressed a remote
control button or
switched from one
remote control
button to another.
[UI
Command]
of “Volume
Up”,
“Volume
Down” or
“Mute”
Increase or
Decrease the
volume of the
amplifier, or
mute/unmute the
amplifier.
Yes
<User
Control
Released>
0x45
Used to control
audio rate from
Source Device.
[Audio
Rate]
Perform the
specified actions, or
return a <Feature
Abort> msg
Yes