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62 Chapter 12 CEC Interactive Troubleshooting Environment (ITE)
CEC features
The CEC channel provides a number of recommended features designed to enhance the
functionality and interoperability of devices within an HDMI environment. This section
gives an overview of these features.
• One Touch Play – Allows a device to be played and become the active source with a
single button press.
• System Standby – Enables the user to switch all devices to standby with one button
press.
• One Touch Record – Offers a What You See Is What You Record (WYSIWYR) facility,
meaning that whatever is shown on the TV screen is recorded on a selected recording
device.
• System Information – Queries the system to determine device addresses and
configurations (e.g. language and country)
• Deck Control – Enables a device to control (e.g., play, fast forward, etc.) and
interrogate a playback device (a deck).
• Tuner Control – Allows a device to control the tuner of another device.
• Vendor Specific Commands – Allows a set of vendor-defined commands to be used
between devices of that vendor.
• OSD Display – Enables a device to use the on-screen display of the TV to display text
strings.
• Device Menu Control – Enables a device to control the menu of another device by
passing through user interface commands.
• Routing Control – Allows the control of CEC Switches for streaming of a new source
device.
• Remote Control Pass Through – Enables remote control commands to be passed
through to other devices within the system.
• Device OSD Name Transfer – Enables devices to upload their preferred OSD name
to the TV. The TV can then use this name in any menus associated with that device.
• Audio Return Channel (ARC) - Enables devices to initiate and terminate ARC
sessions. Requires the TPA-EAC-4R test point adapter.