5
Control Panel
Features
9 10 11
12
13 14
16 17
15
9. Power LED
– If you have connected your battery power, vehicle
ground, and turn-on lead (or GTO signal sensing) correctly, then
this light should be green to indicate the power is ON. An internal
blue glow will also emanate from the heatsink area to indicate
that the power is ON. There are times when this blue glow will
flash, such as during power-up, and when the protection circuits
have detected a problem.
10. Protection LED
– The LC-1.1500 amplifier has built in diagnostic
codes to tell you exactly what is going wrong should the amplifier
detect a problem. (See specs page for a list of diagnostic codes.)
If the protection LED should come on, read the red codes quickly
before turning off the system and investigating. Shorts, like
crushed-velvet hot pants, are not a good thing. Note that the blue
power codes mentioned in the table are for the internal blue glow
from behind the heatsink area, and not the power LED which is
green. You might not notice the subtle blue glow at first, unless
you are in the dark or the shade.
11. GTO Signal Sense
– In the ON position, the LC-1.1500 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 GTO switch to the OFF position and use
a switched 12-volt signal connected to the Remote In terminal
instead.
