Chapter Three • CLD-V2800 Level III

3.7.5 Communication Control Commands

43)COMMUNICATION CONTROL LD/CD

Function:

Communication mode is selected.

Format:

Integer

C M

 

Explanation:

Contents of the communication control register (CCR) are

 

 

rewritten. For the CLD-V2800, the Automatic Status can be

 

 

selected ON or OFF. When Automatic Status is ON the Player

 

 

returns an “R” upon execution of a command, when it is OFF, it

 

 

does not.

 

 

 

 

 

 

 

Integer

Mode

Auto-Status

 

 

 

 

 

 

2

 

MODE-2

OFF — “R” not returned

 

3

 

MODE-3

ON — “R” returned

 

 

 

 

 

The initial value (default value) of the CCR is set to Mode 3. With this command, it is possible to change the communication mode as required. If an unsupported mode is specified, an error occurs.

Execution:

*

CCR = 3

Player’s set to CCR Mode 3; no ‘“R” is returned

 

2 C M <C/R>

(Note: No “R” is returned here, as player is in

 

 

 

currently in CCR Mode 3.)

 

*

CCR = 2

Player is in CCR Mode 2, “R” is returned

 

3 C M <C/R>

R <C/R> (Note: “R” is returned, as player is

 

 

 

in CCR Mode 2.)

 

*

CCR = 3

Player is in CCR Mode 3, no ‘“R” returned

44) CCR MODE REQUEST

LD/CD

 

 

 

Function:

Current communication mode is returned.

 

 

 

 

 

 

 

 

 

 

CM2

MODE-2

 

 

 

 

 

CM3

MODE-3

 

 

 

 

 

 

 

 

Format:

? M

 

 

 

 

Explanation:

Contents of the communication control register (CCR) are

 

returned, indicating the current communication mode.

Execution:

* CCR = 3

 

 

 

 

 

? M <C/R>

CM3 <C/R>

 

 

 

 

 

 

 

 

 

 

 

 

3-38

 

TP 120 v. 1.0 • 10/95

CLD-V2800 Level III User’s Manual