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Alcorn McBride 8TraXX hardware and software. Errors can sometimes go undetected, however. If you find one, please bring it to our attention so that we can correct it for others. Alcorn McBride welcomes comments and suggestions on the content and layout of its documentation.
Welcome! Thanks for purchasing The Alcorn McBride 8TraXX™. The 8TraXX replaces multi-track tape machines, CDs and solid state audio players in permanent audio playback installations, providing hours of high-quality, maintenance-free digital audio. The 8Traxx lets you play eight independent stereo tracks from a single, economical rack-mount unit.
Pressing the button once causes all channels to mute. Pressing it again causes all channels to unmute. The red LED next to the Mute-All pushbutton is activated whenever any of the 8TraXX channels are muted. August 8, 2006 • Alcorn McBride 8TraXX User’s Manual • Rev 1.8 • Page 3...
Activation of a channel’s Mute input causes the corresponding channel to mute. The input LED illuminates if any must be maintained in order for the channel to remain muted. of the parallel Mute inputs is active. August 8, 2006 • Alcorn McBride 8TraXX User’s Manual • Rev 1.8 • Page 5...
DC source, as long as the input voltage does not exceed 14VDC. An external 115 or 230 VAC power supply is provided with the unit. Page 6 August 8, 2006 • Alcorn McBride 8TraXX User’s Manual • Rev 1.8 •...
ASCII Message Response: R<CR> Comments: If no sound number is specified, the number specified with the last Select File command (see below) will be used. August 8, 2006 • Alcorn McBride 8TraXX User’s Manual • Rev 1.8 • Page 7...
“0” for mute, “1” for unmute and c is the channel number in ASCII Comments: Channel numbers range from 1 through 8, or “*” for All Channels Message Response: R<CR> Page 8 August 8, 2006 • Alcorn McBride 8TraXX User’s Manual • Rev 1.8 •...
For example (‘X’ is LED on, ‘O’ is LED off) OOOXOXOX indicates firmware version 1.5 After this operation, the 8TraXX must be power-cycled to reboot. August 8, 2006 • Alcorn McBride 8TraXX User’s Manual • Rev 1.8 • Page 9...
ASCII representation of the channel number, from 0 through 7. The remaining modes are designed specifically for interfacing to Alcorn McBride Show Controllers. The 8TraXX protocol file implements these commands. Please refer to the Alcorn McBride Show Control User’s Manual for details.
Search Error Selecting the correct file? Is the file on the card? Is it named correctly? Format Error Has the Compact Flash been properly formatted? August 8, 2006 • Alcorn McBride 8TraXX User’s Manual • Rev 1.8 • Page 11...
This table is based on a SanDisk 64MB card. Performace can vary by brand and size. Number of Channels Recommended Highest Bitrate 320Kbps or less 256Kbps or less 160Kbps or less 128Kbps or less 112Kbps or less August 8, 2006 • Alcorn McBride 8TraXX User’s Manual • Rev 1.8 • Page 13...
This will cause the media to become fragmented and the 8TraXX will malfunction during playback. Always format the media in the 8TraXX first, and then copy files to it all at once. August 8, 2006 • Alcorn McBride 8TraXX User’s Manual • Rev 1.8 •...
SND19999.MP3 Important Note: There cannot be any sound files with duplicate sound numbers in the lower 4 digits. For example, you can’t have SND10020.MP3 SND00020.MP3 August 8, 2006 • Alcorn McBride 8TraXX User’s Manual • Rev 1.8 • Page 19...
(skipping between files on one track), make sure that your encoder places sequence headers at least every 512 bytes. Otherwise there may be an unacceptable playback response when skipping between files on a single track. August 8, 2006 • Alcorn McBride 8TraXX User’s Manual • Rev 1.8 •...
GPS Operation You can use an Alcorn McBride AM4 Audio Machine or DVM7400 Digital Video Machine to send play commands to the 8TraXX based on geographic position and direction of travel. The 8TraXX connects to the AM4 or DVM7400 using a GPS Cable Harness. This harness connects both the power and serial inputs of the 8TraXX to the AM4 or DVM7400, and also connects the GPS receiver.
A: Your bandwidth may be too high. See the section labeled “Bandwidth Limitations” in the “Making MP3’s” section for details. For the answers to other questions, check out the Alcorn McBride Knowledge Base http://www.alcorn.com/kb If you don’t find it there, please email our technical support staff at support@alcorn.com...
Compact Flash Docking Station for USB port CFUSB-1 Compact Flash to PC-Card Adapter CFPC-1 Compact Flash Media Contact factory for sizes and part numbers AM4/DVM7400 GPS Cable Harness August 8, 2006 • Alcorn McBride 8TraXX User’s Manual • Rev 1.8 • Page 7...
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