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Phase
Use the Phase switch to improve bass response at low volume and suppress
feedback at high volume. If feedback occurs, push the Phase switch. If feedback
recurs when you change your location, press switch again.
Power
Plug in the guitar, and the Prefi x Pro switches on. The Battery LED will fl ash once
at power-up to tell you the preamp is on.
Low battery indicator
When the Battery indicator lights steadily, it is time to change the battery. To
conserve power, unplug the instrument when not in use. Replace the battery by
fl ipping open the preamp body using the latch located at the top of the preamp.
Be sure to observe the correct polarity during this installation.
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