API Audio 1608 Recording Console - Manual (Page 31)

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5.2 440B Stereo Master Fader Module
5.3 Monitor Output Controls
The controls for each 268B Monitor Output function as follows:
ON: On/off switch for the Monitor Output
MAIN CAL (trim-pot): The trim-pot calibrates the corresponding Main Monitor Output level
SMALL 1 CAL (trim-pot): The trim-pot calibrates the corresponding Small 1 Monitor Output level
(CR L and CR R only)
SMALL 2 CAL (trim-pot): The trim-pot calibrates the corresponding Small 2 Monitor Output level
(CR L and CR R only)
The 440B Stereo Master Fader feeds the Left and Right Program Outputs of
the console. It is the main stereo output and provides the Left and Right
outputs for 5.1 mixing.
 At 0VU the fader is at unity gain
The 268B Monitor Output section supports one set of main 5.1
monitors and two sets of stereo monitors. The Monitor Output
section provides on/off switching and calibration for a 5.1 (Left,
Right, Center, Left Surround, Right Surround, and LFE) main
monitor system (MAIN) and the two stereo nearfield monitor
systems (SMALL 1 and 2). The Monitor Output section has the
following features:
 On/off switch for all six Monitor Outputs
 5.1 Main monitor trim control
 Stereo Small 1 trim control
 Stereo Small 2 trim control
 Balanced, line-level outputs
The Monitor Output section is the final stage before the selected
monitor output is fed to the Control Room Output connectors on
the rear panel. There are a set of controls for each of the six
individual Monitor Outputs that support the 5.1 and stereo monitor
systems:
 CR L: Control Room Left
 CR R: Control Room Right
 CR SL: Control Room Left Surround
 CR SR: Control Room Right Surround
 CR C: Control Room Center
 CR LFE: Control Room LFE (subwoofer)