CLD-V2800 Internal Player Controls

CLD-V2800 Control Blocks

The following control blocks are used within the CLD-V2800.

1.) Communication control block

2.) Player control block

1) Communication control block

The communication control block is divided into eleven units. It analyzes commands sent via various input methods, and executes the commands.

Front Panel Buttons

The CLD-V2800 has these buttons on the front panel: POWER ON, CD-

OPEN/CLOSE, LD-OPEN/CLOSE, PLAY/PAUSE, STILL/STEP FORWARD & REVERSE, SKIP/SCAN FORWARD& REVERSE, and STOP .

Wireless Remote Control Unit

This is the remote sensor on the front panel. It converts the infrared Barcode or RCU code to an electric signal.

Wired Remote Control Unit

This is the Barcode terminal on the front panel. It receives the Barcode or RCU code via the stereo pin jack.

Head Phone Jack (CLD-V2600 only)

This is the jack for a headphone on the front panel. There is also a volume control.

Key Decoder

When 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 Decoder

When 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 Processor

This command processor analyzes the front panel button /RCU command data received from the Key Decoder or the RCU Decoder, for execution.

RS-232C Command Processor

The RS-232C command processor analyzes RS-232C command data received from the RS-232C buffer for execution.

RS-232C Buffer Unit

The RS-232C buffer unit receives input from the 15-pin D-SUB connector on the rear panel. The unit consists of an input command data buffer and an output status data buffer.

Appendix C CLD-V2800 Internal Player Controls TP 120 v. 1.0 • 10/95

C-1