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Line 6 GearBox 3.1 – Basic Features Guide
What is the Hum Reducer?
The Hum Reducer reduces the noise that your guitar (or bass guitar) puts out*, including noise
that is caused by electrical interference from your computer display and other sources that are
picked up by your guitar's pickups. The Hum Reducer will not completely eliminate hum, but it is
usually able to reduce it considerably. To use the Hum Reducer:
• Click the Hum Reducer button to light it up red, then
• Click the Learn button, then
• Follow the other directions on-screen in the Hum Reducer window.
It's important to position yourself and your guitar in your normal playing position in relationship
to your computer display, etc. when the Hum Reducer is learning the pattern of the noise that it
will reduce. When you change positions relative to the monitor, change guitars or pickups, or add
other possible sources of interference (turning on a nearby television, say), the character of the
interference that your guitar is receiving and transmitting will change, and you should press the
Learn button again to have the Hum Reducer relearn this new hum pattern.
*Note – the Hum Reducer is only available when using GearBox with TonePort or GuitarPort
hardware. It does not appear in GearBox when using PODxt as the connected device.
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