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Adjust the Input control to keep the meter in this range. The +20dB switch does not
affect the meter, as it is part of the tube gain stage.
VU Meter
The VU Meter gives an analog representation of the DPS II output signal level.
Besides showing the average analog level, it is sensitive to attack transients.
When not using OPL, the VU Meter is a great indicator of how hard you are
running the tube. It also helps in setting a consistent level as you change mics
and instrument sources.
The VU Meter also reflects the impact of the OPL circuitry on the signal. For
example, if the signal is “in the red” on the meter, the meter will reflect the
attenuation of the signal when the OPL is activated, and the signal is brought
out of the “red”.
Output Control
The Output Control sets the output level of the DPS II. When the control is fully
counterclockwise, there is no output. Turning the control clockwise increases the
level of the output signal.
When setting the Output level control, refer to the VU Meter for an accurate level
leaving the preamp. The marking on the output control determines the meter
calibration to output level. If the Output control is set to –10, then the output of
the unit is –10dBu when the meter reads 0 VU. For +4 (pro) systems, set the
Output control to +4 and the meter will be calibrated to your system levels.
DIGITAL CONTROLS
Digital Level Knobs
The digital level knobs control the input gain to the digital converters of the DPS
II™. The purpose of the digital level control is to get the loudest possible signal
into the converters before clipping starts to occur. The front mounted clip lights
easily notify the user before digital clipping occurs. For the optimal input signal,
raise the gain until the digital clip lights just start to flicker, then back off on the
digital level by a hair until the clip lights go out. One should most likely test this
using the hottest signal they will be using (or use the OPL™ feature on the V3™
setting to get your levels just right.)
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