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p. 49
master section
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master section: monitoring and control
monitor section
The dedicated Monitor Section allows the user to listen to and view the various sig-
nals operating within the Console.
This section consists of the monitor select circuitry and dual LED meters, the Solo
system, and headphones.
monitor metering
Two LED meters, L and R, are provided to display the level of the Monitor source.
These meters are calibrated to properly display the internal levels within the console.
The 0VU point is the nominal operating level of whatever signal is being monitored.
If more than one source is selected, the meters will display the level of those mixed
sources. If the solo circuitry has been activated, the solo LED will light and the
meters will display the level of the solo signal.
solo off
Normally, the Monitor system will be interrupted by the Solo system. If a Solo but-
ton is pressed (PFL or AFL), the Solo LED between the meters is illuminated and
the Solo signal is displayed on the LED meters. The Solo audio takes the place of the
selected Monitor sources for both the Monitor outputs and the headphones.
If the Solo Off button is depressed, the meters and headphones will still switch over,
however the Monitor Outputs WILL NOT be interrupted by the Solo. This allows
the Monitor Output jacks to be used as an additional output for any of the 7 avail-
able sources or their mixture. Since the sources feeding the Monitor section are
Pre-fader, this additional output is controlled only by the Monitor Level pot, and is
independent of any of the main fader settings.
source select switches
The operator can choose which signals to listen to and view by using the Source
Select switches. These switches select the Pre-Fader source of these seven sets of
signals:
Stereo Return, Mono bus, L-R buses, Groups 1-2, Groups 3-4, Groups 5-6,
Groups 7-8
The Monitor System circuitry is stereo, and these are all stereo sources except for
the Mono bus. These 7 signals can be combined by selecting more than one source.
All sources that are selected will be equally mixed together. This combined signal is
then displayed on the Monitor LED meters and fed to the Monitor Level pot and to
the headphone system.
sum to mono
A Sum to Mono switch is provided which mixes the L and R monitor rear-panel out-
puts together. This switch is useful if feeding a single external monitor speaker. The
LED meters and headphones are not affected by this Sum switch.
Level
This control feeds the Monitor Output jacks (1/4” TRS) on the rear panel. It does
NOT affect the level of the headphone feed or the LED meters.
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