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BASS BOOST
The Bass Boost control provides up to 12dB of bass boost at 45Hz. Set this control according to your personal taste,
but be careful not to set the control at a high enough level to cause audible distortion or bottoming of your subwoofer.
POWER/PROTECTION LED
Power/
Protection
LED
The GTO amplifier Power/Protection LED’s color indicates the amplifier’s operational status:
• LED is orange: Normal operation (power is on)
• LED is off: Amplifier is in standby mode
• LED is red: Amplifier is in protect mode
If the amplifier is in the protect mode (the LED is red), see Troubleshooting, on page 9.