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10
Gain Controls
Turn the GAIN controls clockwise to increase gain and
counter clockwise to decrease gain.
The GAIN controls are marked in dB of attenuation.
There are 21 detents for repeatable adjustments. The
upper 14 steps are about 1 dB each, and settings should
normally be made within this range. The range below -
14 dB should not be used for normal program levels, as
the input headroom could be exceeded, but can be used
for testing at reduced levels. At the minimum setting,
the signal is completely cut off.
Note! The GAIN controls do not adjust the
power of the amplifier. They adjust its sensi-
tivity to input signals.
Gain controls and LED cluster on PLX 1104 and
PLX 1804 models
Gain controls and LED cluster on PLX 1802,
PLX 2502, PLX 3102, and PLX 3603 models
Power Switch
Push in on the top of the rocker switch to apply AC mains
power to the amplifier. Push in on the bottom of the rocker
switch to turn the amplifier off.
When turned on, the blue PWR indicator LED and the red
CLIP indicator LED will illuminate; after a few seconds the
red CLIP indicator will extinguish.