Player Region Code Request; Ccr Mode Request - Pioneer DVD-V7400 Command Protocol Manual

Explanation :
Menu. The return is expressed as an integer value. The value is made up of
the sum of the selected arguments. The factory default is set to 0. The player
returns an error code if the command is issued when the player is showing
Industrial Player Menu on the screen. See the description of Advanced Setup
(MS).
NOTE: E04 is returned from a player when the command is issued while the
Industrial Player Menu is displayed.
Execution :
String
?S<CR>
6.26

Player Region Code Request

Function : Returns player region code
Format : ?H
Explanation :
Execution :
String
?H<CR>
6.27

CCR Mode Request

Function : Returns the current communication mode
Format : ?M
Explanation :
Control Register (CCR).
The CCR default value is set to Mode 3 (ON).
CM2
CM3
Execution :
String
?M<CR>
The player returns the current setting of the Industrial Player
Status Return DVD player
112<CR> Title repeat mode (16)
Baud rate is 9600bps (32)
Tray lock on (64)
The command returns the player's region code(s).
Status Return
02<CR>
The command returns the contents of the Communication
Mode-2
Mode-3
Status Return
CM3<CR>
- 70
Current Address Request Descriptions
DVD player
Region Code 2
DVD player
CCR = 3 (Default Communication Mode)