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Behringer MODEL D User Manual

Behringer MODEL D
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24 MODEL D User Manual
5.4 Octave Range Calibration
The octave calibration ensures that the OSC1 and OSC2 Octave RANGE knobs are
in tune with each other. This calibration is done after the oscillator calibration.
1. Make sure that the preliminary procedures shown in section 5.1 have been
followed, and the MODEL D front panel controls and switches are set as
directed.
2. Turn OFF the A-440 switch, and keep the OSC1 VOLUME switch ON.
3. On the PCB, locate the OSC SW pot.
OSC3 Scale Adjustment
OSC3 Range Adjustment
Octave Adjustment
OSC1 Scale Adjustment
OSC1 Range Adjustment
OSC2 Range Adjustment
OSC2 Scale Adjustment
Highest A5
Lowest A2
Highest C6
4. Turn all the Octave RANGE knobs to the 2' position in the OSCILLATOR BANK
section.
RANGE
5. Turn on the front panel OSC2 VOLUME switch in the MIXER section. (OSC1 is
already on, OSC1 and 2 Volumes are up).
OSC2 ON
OSC1 ON
OSC1 Max
OSC2 Max
6. On your external keyboard, press and hold the C6 key. You should hear both
OSC1 and OSC2. Adjust the headphone volume or main volume as required.
7. Listen carefully, and adjust the front panel OSCILLATOR-2 Tune knob until
there are zero beats between OSC1 and OSC2.
8. Turn the front panel OSC2 Octave RANGE knob to the 8' position.
RANGE
8’
TUNE

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Behringer MODEL D Specifications

General IconGeneral
Built-in displayNo
Housing colorBlack
Power source typeDC, AC

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