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September 12, 2005 • Alcorn McBride AmpTraXX User’s Manual • Rev 1.2
Page 25
Troubleshooting Guide / FAQ
If you have a question not answered by this manual, take a look at our Knowledge Base at
http://www.alcorn.com/kb/index.html.
We’re always updating it with new answers and useful information! If
your question isn’t answered there, please email us at [email protected]
Q: I hear a knocking sound when I am playing AmpTraXX loudly. What is causing this?
A: This is the sound of your neighbor pounding on your wall. Maybe you should turn it down a few notches,
eh? After all, it is 2 o’clock in the morning!
Q: Why can’t I establish a connection with AmpTraXX?
A: First, verify that you are using a straight-through (not NULL) RS-232 cable like the one provided with
AmpTraXX. Next, make sure that you have the correct COM port selected in the AmpTraXX configuration
menu. If you are not sure which COM port your PC’s external serial port is using, just use trial and error to
figure it out. If you still cannot connect, contact Technical Support.
Q: I cranked up the volume, and then the channel stopped working. What is going on?
A: Congratulations! You have just discovered AmpTraXX’s built-in overdrive protection. It has just
prevented AmpTraXX’s amplifier circuit from melting into a small pile of molten goo. There are several ways
to bring the Amplifier back out of protection mode.
1. Power-cycle the unit.
2. Issue
a
Set Filter Type
command. If you are using the AmpTraXX application, just change filters.
3. Issue
a
Reset Amplifier
command
Q: Why aren’t the Front Panel volume controls working?
A: These controls can be disabled using DIP switch #1 on the back panel. Keep in mind that if the volume
controls that are currently stored on AmpTraXX were configured using RS-232, the front panel knobs may not
be anywhere near the current values. For that reason, ask yourself a few questions before changing this DIP
switch:
1. Would someone else kill me for fiddling with the volume controls?
2. Are the volume controls in a reasonable location (ie. not at full volume!).
As soon as you flip the switch, the volume levels of each channel will be acquired from the front panel knobs.