User`s guide

38 Serial Control
Sony LDP Serial Protocol (DVM2
only)
The Digital Video Machine 2 may also be controlled using the Sony Laser Disc
Player Serial Protocol.
The Digital Video Machine 2 may be controlled using Sony LDP serial RS-232
messages via the DB-25 Sony LDP connector (RS-232S) on the rear of the unit.
The data format is user-defined, however it is typically: 4800 baud, 8 bits/byte,
no parity, with one stop bit. These settings are determined by the configuration
DIP switch or Web Page Setup.
The serial commands that can be transmitted using the Sony LDP protocol are:
Command Function
Select File Select a file
Play Play the selected file
Still Stop output and freeze the current frame
Stop Stop video playback
Audio Control Mute or Unmute audio
Video Control Mute or Unmute video