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Level (7)
This is the channel output level control. The optimum setting is the 0 (unity gain) position.
Gain (8)
This control establishes the nominal operating level for the channel. The input gain can be adjusted over a wide
range to compensate for soft voices or very loud drums. To maximize the signal-to-noise ratio, the gain should be
set to the proper level with the channel level control (7) set to 0. If the clip LED comes on and remains lit, try
reducing the gain.
Power LED (9)
This LED indicates that AC power is supplied to the unit‚ the power switch is on and the unit is functioning
properly.
Headphone Level (10)
This knob sets the headphone and control room output level. To avoid damage to your hearing‚ make sure to turn
the dial fully counterclockwise before using headphones. Slowly turn the knob clockwise until a comfortable
listening level is set. Normally, the signal in the headphones is the Left/Right signal. If the Tape to Control Room
(14) is engaged‚ the tape signal is also included.
LED Meters (11)
Two four-segment LED arrays are provided to monitor the levels of the main Left/Right outputs. These meters range
from -21 dB to +19 dB. A reading of 0 db on the meter corresponds to +4 dBu at the outputs.
Phantom Power LED (12)
This LED lights when the Phantom Power Switch (13) has been engaged.
Phantom Power Switch (13)
Applies +48 VDC Voltage to the input XLR connectors to power microphones requiring phantom power.
If phantom power is used, do not connect unbalanced dynamic microphones or other devices to the XLR inputs that
cannot handle this Voltage. The Phantom Power LED (12) indicates when phantom power is on.
Tape To Control Room (14)
Depressing this switch adds the tape return to the Control Room and Headphone Outputs (24) for zero latency monitoring.
Tape to Mix (15)
Depressing this switch routes the signal from the Tape Inputs to the Main Outputs (27).
Master Level Fader (16)
The Master Fader controls the level sent to the main Left/Right outputs. Best results are obtained when this control
is set near the 0 point.
Contour Switch (17)
Engaging this switch enhances the signal by adding both bass and treble frequencies. This is especially effective at
lower volumes or for tape/CD playback.
80 Hz Low Cut (18)
The Low Cut filter has a corner frequency of 80 Hz. When engaged‚ it can improve clarity by removing low
frequencies that can make a mix sound muddy. This feature is especially useful when playing outside on a windy day
or on a hollow‚ noisy stage. These kinds of ambient noises can rob your sound system of power. Engaging this
switch removes those frequencies from the system and restores power to where it's needed.
EFX/Return (19)
The EFX/Return Level Control adjusts the level sent to the Left/Right main bus from the return inputs.
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