Presonus Central Station PLUS User Manual download pdf (Page 12)

Central Station Plus

Getting Started Overview Calibration Hookup Controls

and Connections

Technical InformationCalibration

3.1 Calibrating the Meter

3 Calibration

3.0 Calibrating Your Central Station

In order to create the most accurate mixing environment, it is important to calibrate

each component in your system so that the metering and output levels match.

3.1 Calibrating the Meter

The meters on your Central Station can (and should) be calibrated

to match the meters in your DAW or on your mixer.

1. Send a 1 kHz, 0 dBu sine-wave test tone to any input on your Central

Station. Select the input you are using in the Main Input Select section

on the front panel. In a computer-based recording system, this can be

accomplished by creating an audio track in the software and importing

a test-tone audio ﬁle, or by using a tone-generator plug-in.

2. Decrease the volume of the test-tone channel until the meter on

your DAW or on your mixer’s main output reads -18 dB.

3. Press and hold the calibration button on the front panel of the

Central Station (it’s the bottom button in the Meter section) for two

seconds. The meter will recalibrate to read -18 dBfs/0 dB.

4. Raise the level of the test tone until the meter on your DAW’s master section

reads 0 dB, and check to see whether the Central Station meter shows a red-

lined signal, which indicates that the signal is overloading (clipping) the input.

5. For more accurate calibration, raise or lower the test-tone level

plus or minus 0.10 dB and repeat steps 2 through 4.

6. Note that the calibration range of the Central Station is approximately ±12 dB.

3.2 Calibrating the Input Sources

1. “Zero” the Main, Cue, and Phones level knobs by

turning them fully counterclockwise.

2. Turn the outputs of your primary audio source

(connected to TRS1) to their lowest setting.

3. Remove all eﬀects processors (such as EQs, compressors, and reverbs)

from the signal path and play a clean 0 dB test tone (for example, a 1

kHz sine wave) through the outputs of your primary audio source.

4. Select TRS 1 as the Main Source and begin turning up the outputs

of your primary audio source to their unity-gain setting or until the

Central Station meter’s red 0 dBVU LED comes on. If you are not able

to reach unity gain (or come very close to it) without the red 0 dBVU

LED coming on, ensure that you have properly calibrated the meter.

Repeat the steps in manual Section 3.1 and then repeat this step.

“Unity gain” is the level or setting at which the signal level is neither boosted nor

attenuated, and it is usually marked by a “0” on the audio device’s level fader or

knob. In many digital interfaces and other digital devices, the device’s maximum

level is also its unity-gain setting. Please consult your audio device’s user manual

or the manufacturer’s Web site for more information on its levels and adjustments.

Aux/Phono only: Do not adjust the output level of your audio device if

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