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1 Power Indicator/Protection Mode LED
The Power Indicator LED will light to indicate that the unit is connected to the battery and that the Remote Turn-On terminal is
receiving +12 volts, thus turning on the amplifier.
This LED illuminates red to indicate that the self-protection circuits have been activated and have shut off operation of the amplifier.
The protection circuits may be triggered by the temperature of the unit rising above a safe level or by an overload condition. If
activated by a rise in temperature, the unit will resume operation after cooling off to a normal operating range. If activated by
an overload condition, the source of the overload must be found and corrected to resume operation of the amplifier. Most
overload conditions are caused by mis-wiring or operation into incorrect speaker loads. Re-check all wiring and
connections if this situation occurs and correct as necessary.
2 Level (Gain) Control
The amplifier is capable of operating from sources supplying a wide range of input levels. The Level control should initially be set to
the mid-rotation position. If it is found that there is not enough output even when the volume control on the car stereo is at its maximum
setting, adjust the Level control to increase the output from the system. If, however, there is still output from the amplifier when the
car stereo volume control is at its minimum setting, or the output level increases too fast with a small rotation of the volume control,
adjust the Level control to decrease the output from the system. Once the correct setting is found, this control should not require any
further adjustment.
3 Low Level Input Connections
If low-level outputs are provided from the car stereo, it is recommended that the low-level inputs be used for lowest distortion
and best performance. Use good quality shielded audio cables with RCA plugs at both ends to connect the stereo to the amplifier
and keep the cable lengths to a minimum to avoid noise.
CAUTION: Use either the low-level or the high-level inputs on the amplifier.
DO NOT use both input levels at the same time.
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