FRONT PANEL CONTROLS (bottom row continued)
PEAK REDUCTION
With PEAK REDUCTION set fully counter-clockwise, the MIC/DI input and LINE input exhibit
no gain reduction and the PAL acts as a preamplifier or line amplifier. Turning PEAK REDUC-
TION clockwise will gradually initiate gain reduction for either the MIC/DI or LINE inputs,
depending on which is selected. PEAK REDUCTION should be set for the desired amount of
gain reduction as indicated on the (lower) GR meter. A reading of -3dB to -7dB during the high-
est peaks of program material is a reasonable range to work within, however, you are encour-
aged to experiment.
PEAK REDUCTION - OPERATIONAL NOTE:
When using two PALs for stereo gain reduction, it is customary to LINK for processing stereo
material. Keep in mind, the forgiving nature of the optical attenuators found in the PAL allows
for mono operation when processing most stereo material. We encourage experimentation in
this regard.
LINK allows each channel to “see” what the other channel “sees”. LINK does not link parame-
ters. In other words, be sure to adjust the controls of both channels to identical settings. In link
mode, a single PEAK REDUCTION knob can initiate gain reduction in both channels, however,
you will not be able to get balanced LIMITER RESPONSE or RATIO without both channel’s
controls adjusted to the same settings.
RATIO 10:1 / 3:1
The purpose of this switch is to allow selection of either compressor (3:1) or limiter (10:1).
Compression (3:1) occurs from the breakaway point (-30dB input). In the 10:1 position, the PAL
operates as a compressor until it reaches the -20dB point then rolls-over into limiting action.
Thus, combining the characteristics of a compressor and a limiter in the 10:1 mode.
GR TRK
Positioned just above the RATIO switch, the GAIN REDUCTION TRACKING trimmer is used
to adjust the tracking accuracy of the GAIN REDUCTION METER relative to the amount of
GAIN REDUCTION that is occurring in the audio.
PEAK REDUCTION METER (lower meter)
When at rest, the PEAK REDUCTION METER will indicate 0dB (100%) until gain reduction is
initiated, at which time the pointer will move in negative direction to indicate the amount of
gain reduction in dB. When the unit is first turned on, the PEAK REDUCTION METER may
read slightly above or below 0dB. This is a normal condition. After sufficient warm-up time the
meter will rest at the 0dB position. Meter illumination serves as a system pilot light.
THE PAL PLUS MKIII
R e q u i s i t e A u d i o E n g i n e e r i n g! L2M MkIII
8
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