Pioneer DVD-V7200 DVD-V7200 RS-232C Manual - Page 13

Command and Status

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Computer Control 3.3 Command 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" ⇒ (2) Search Execution ⇐ (3) Complete (4) "Play to Frame 2000" ⇒ (5) Play Execution ⇐ (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 is received. The acts as the command line terminator. Example CH 10SE : Set chapter for address mode : 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 : 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 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 or (line feed) which do not affect the player's operation. - 5 -

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Computer Control
- 5 -
3.3
Command 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”
°
(2) Search Execution
±
(3) Complete
(4) “Play to Frame 2000”
°
(5) Play Execution
±
(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.