Specifications

Remote Control and Receiver-Transceiver Specifications and Requirements
for Windows Media Center in Windows Operating Systems
134
 The user uses a Media Center Extender in another room to watch television and they want to
change channels. The Windows Media Center computer needs to relay the command to the
set-top box.
Device Configuration Information
Used in first run to identify the type of receiver that is connected to the system and display
appropriate error messages to the user so they can set up their computer.
Basic CIR Architecture
Support for consumer infrared (CIR) remote controls is implemented in the Windows operating
systems by using a stack of drivers. Starting with Windows Media Center in Windows Vista, the
architecture of this driver stack has been both extended and simplified to facilitate support of non-
Microsoft CIR remote controls. The overall architecture of the CIR driver stack is shown in the
following diagram.