Commands; Power On Processing; Command Structure; Command Mnemonics - Pioneer BDP-LX91 User Manual

・ ?P – To know the player's operating mode.
・ ?A, ?R, ?C, ?T, ?I – To know the current time, chapter, title/track number, etc.
・ ?L, ?E, ?Z – To know the player's information.
The status function is as follows:
Status report
├─ Auto status
｜ ├─ Completed message
｜ └─ Error message
└─ Request status

3 Commands

3.1

Power on Processing

When the remote control button "Power" command is sent by RS-232C command while the power is
off, power on processing is performed.
Even if other commands are received simultaneously with the remote control button "Power"
command, only power on processing is performed.
When the remote control button "Play" command is received as well, power on processing is
performed and playback is started.

3.2 Command Structure

3.2.1 Command mnemonics

Commands use ASCII English letters and are expressed in two letters.
There is no distinction between capital and small letters.
Arguments are added to commands to specify chapter numbers or titles, etc.
3.2.2

Arguments

Arguments are expressed in ASCII decimal numbers, placed in front of the command.
If a command requiring an argument has no argument, an error is generated.
3.2.3

Command string buffer

When commands are received, a command string of up to 32 characters is buffered. Characters beyond
the 32nd character are ignored.
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