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Consumer
Electronics Control (CEC)
Consumer Electronics Control
(CEC) is an optional protocol
used in
HDMI systems that allows
HDMI devices to pass control
functions along to all devices
within the system. CEC was
designed to operate at low
speeds with minimal processing
and memory overhead.
The following is a set of all
the features offered with CEC.
Devices may use all or only some
of these features, depending
upon functionality.
-
One Touch Play
- A device may be
played and become the
active source by the
press of a single
button.
-
System Standby
- Enables devices to
be set on standby by the
press of a single
button.
-
Preset Transfer
- A device's presets
can be auto-configured
to match those of the
TV.
-
One Touch Record
- Allows recordings to
be made by the press of
a single button.
-
Timer Programming
- Any device can
program a timer
recording on a recording
device.
-
System Information
- Allows devices to
auto-configure their
language and country
settings.
-
Deck Control -
Allows a device to
control and interrogate
a playback device.
-
Tuner Control -
Allows a device to
control the tuner of
another device.
-
Vendor Specific
Commands - Allows
vendor-defined commands
to be used.
-
OSD Display -
Allows a device to
display text using the
on-screen display of the
TV.
-
Device Menu Control
- Allows a device to
control the menu of
another device.
-
Routing Control
- Enables control of
CEC Switches for
streaming of a new
source device.
-
Remote Control Pass
Through - Allows
Remote Control commands
to be passed along to
other devices within the
system.
-
Device
OSD Name Transfer
- Devices may request
the preferred OSD name
of other devices within
the system.
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