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ACX-600.1
Quick Start Guide
4. Power LED – When the unit has been powered on, this LED will
glow green and soft, like the understory of the Pacific Northwest
Rain Forest on a rare, sunny day.
5. GTO ™ Signal Sense – In the ON position, the ACX-600.1 amplifier
will turn on gracefully when it detects an incoming audio signal,
and it will turn off after a period of time when the audio signal
fades away to silence. In some situations, factory installed audio
systems may turn on or “wake up” due to convenience features
like door chimes, alarms, and cell phone signals that trigger the
source unit in the vehicle to come on. To prevent these from
turning your audio system on unexpectedly, you can bypass the
GTO™ circuit by moving the switch to the OFF position and use a
switched 12-volt signal connected to the Remote In wire instead.
6. Protection LED – This LED will shine if there is a problem being
sensed by the unit. If this lights up, remove the speaker connec-
tion and RCA inputs and try again. If error clears, examine your
speaker, speaker wires, and RCAs for possible causes of short. If
the issue still persists after removing the speakers/RCAs, best to
call the lonely folks in tech support.
7. Gain Control – This control allows you to adjust the overall
output level. Turn clockwise to increase, and counter-clockwise to
decrease. With the source unit set to 75%, adjust this knob to the
point where the Maximized light shines briefly. This will be your
optimal gain setting.
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