QFC control???? wtf is that?

Thrush Silver Member Username: Thrushdtd New York Post Number: 142 Registered: May-05	Posted on Friday, June 24, 2005 - 20:50 GMT I have a us acoustics usx1000d amplifier and on it it has a Q factor control. What is it and what should i set it to?
Thrush Silver Member Username: Thrushdtd New York Post Number: 147 Registered: May-05	Posted on Saturday, June 25, 2005 - 13:31 GMT ne1?
Thrush Silver Member Username: Thrushdtd New York Post Number: 163 Registered: May-05	Posted on Tuesday, June 28, 2005 - 00:04 GMT comon anyone?