The following control blocks are used within the
1.) Communication control block
2.) Player control block
1) Communication control blockThe communication control block is divided into eleven units. It analyzes commands sent via various input methods, and executes the commands.
Front Panel ButtonsThe
This is the remote sensor on the front panel. It converts the infrared Barcode or RCU code to an electric signal.
Wired Remote Control UnitThis is the Barcode terminal on the front panel. It receives the Barcode or RCU code via the stereo pin jack.
Head Phone JackThis is the jack for a headphone on the front panel. There is also a volume control.
Key DecoderWhen a front panel button (key) is pressed, the key decoder generates data corresponding to the pressed button and sends it to the Key/RCU Command Processor.
RCU DecoderWhen an RCU button (key) is pressed, the RCU decoder generates data corresponding to the pressed button and sends it to the Key/RCU Command Processor.
Key/RCU Command ProcessorThis command processor analyzes the front panel button /RCU command data received from the Key Decoder or the RCU Decoder, for execution.
The
The
Appendix C |