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Meter Select Switch
This switch determines what is displayed on the VU meters. If GR is selected,
the meter will show gain reduction in dB for the corresponding compressor
channel (which is not necessarily left or right; depends on the active mode).
If the AGC switch has been set to left/right, the GR shown will be for the left
or right channel. If the AGC switch has been set to lat/vert, the GR shown will
be for the mono or stereo channel. In GR mode, the upper labels show gain
reduction in dB.
If the meter select switch is set to IN or OUT, then that meter will reflect the
level of the right or left input or output signal (however, the meters are not cal-
ibrated).
Zero
On the hardware unit this screw adjusted the meter pointer to compensate
voltage fluctuation and tube wear. Because the meter in the plug-in cannot go
out of calibration, this control is permanently disabled.
AGC Mode
This control determines whether the two compression channels will receive
L/R or mono/stereo as the inputs. When used in conjunction with the
Sidechain Link switch, the operating mode of the compressor can be modi-
fied.
See
mode descriptions.
Left – Right
If Left – Right is selected and Sidechain Link is off, the compressor is in dual
mono mode. If Sidechain Link is on, the mode is stereo, trigger left/right.
Lateral – Vertical
If Lat/Vert is selected and Sidechain Link is off, the compressor is in lat-
eral/vertical mode and will receive mono/stereo as the inputs. If Sidechain
Link is on, the mode is stereo, trigger mono/stereo.
Threshold
This continuously variable control determines the amount of compression to
be applied. Turn clockwise for more compression. When fully counter-clock-
wise, the unit behaves as a simple unity gain line amplifier.
UAD Powered Plug-Ins Manual
the"Fairchild Modes" on page 265
Table 18 on page 266
and
- 267 -
for detailed
Chapter 22: Fairchild 670
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