March 23, 2012 • Alcorn McBride ProTraXX User’s Manual • Rev 1.4 •
Page 43
Command Protocol
The Serial, Ethernet, Playlist, and Scheduler control interfaces use the Pioneer
Alcorn McBride Enhanced protocol. This protocol implements nearly all of the
Pioneer Laser Disc player command set, but adds commands to access advanced
features of the ProTraXX as well. This section discusses the most commonly used
commands in detail.
The protocol is ASCII-based. Upper or lower case characters can be used
interchangeably.
All commands and responses are terminated with the Carriage
Return character. This character is represented by the hexadecimal value of
0x0D.
Certain commands were added in later firmware releases. In this case, the minimum
OS version is indicated. If no minimum version is indicated, the command has
always been available. You can obtain the latest firmware version from our website
at http://www.alcorn.com.
Playback Commands
These commands control the playback operation of the ProTraXX. These commands
can be directed at an individual
Channel, Channel Pair, or
Channel Group.
Channel Group numbers range from 1 to 13 and are always preceded by the letter
‘G’. For example,
G5
means Channel Group #5.
Channel Pair numbers range from 1 to 8 and are always preceded by the letter ‘P’.
For example,
P4
means Channel Pair #4.
Individual Channel numbers range from 1 to 16 and are always preceded by the letter
‘C’. For example,
C3
means Channel #3
