Pioneer RS-232C manual Command and Status, Command Structure

Computer Control

3.3Command and Status

The computer transmits a command to the DVD-V7200 and the player responds with the message, ‘execution complete’.

Example

COMPUTER			DVD-V7200
(1)	“Search to Frame 1000”	Þ	(2)	Search Execution
		Ü	(3)	Complete
(4)	“Play to Frame 2000”	Þ	(5)	Play Execution
		Ü	(6)	Complete

NOTE: The length of a command string is limited to 32 characters. Please refer to

COMMAND STRUCTURE.

When using a computer to control the DVD-V7200 player, follow the command protocols listed below:

∙ASCII character codes are used for the actual commands and status response

∙Command mnemonic is expressed as two (2) ASCII characters

∙Uppercase letters are recommended; however, usually there are no distinctions between the use of uppercase or lowercase letters

∙Some commands require an argument, (e.g. chapter number or speed)

∙Use a command as the terminator of the argument

The player executes a command as soon as the carriage return <CR> is received. The <CR> acts as the command line terminator.

Example

CH<CR> : Set chapter for address mode

10SE<CR> : Search to chapter 10

The player has a command buffer, which stores a command string of up to 32 characters in length.

Example

10SE 20PL<CR> : Search to chapter 10 then play to 20

The command string enters into the buffer with the left character and continues sequentially from left to right. When the <CR> is entered, the commands are executed sequentially beginning with the first command in the buffer. In the example above, the first command is 10SE.

NOTE: The player ignores codes in the command string such as <SPACE> or <LF> (line feed) which do not affect the player’s operation.

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