Behringer DEEPMIND 12D Manual - Page 31

SYSTEM SETTINGS, CALIBRATE Calibration Menu

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31 DeepMind 12D User Manual 7.3.4 SYSTEM SETTINGS CALIBRATE (Calibration Menu) In this menu are all the SYSTEM SETTINGS of the DeepMind 12D. These include VERSION NUMBERS of the hardware/firmware, settings for the fan speed, and access to the CALIBRATION routines. 1. To navigate the options in the SYSTEM SETTINGS menu, use the BANK/UP and BANK/DOWN switches. 2. In order to change any of the parameters make sure that the '

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31
DeepMind 12D User Manual
7.3.4
SYSTEM SETTINGS
In this menu are all the SYSTEM SETTINGS of the DeepMind 12D. These include
VERSION NUMBERS of the hardware/firmware, settings for the fan speed, and
access to the CALIBRATION routines.
1.
To navigate the options in the SYSTEM SETTINGS menu, use the BANK/UP and
BANK/DOWN switches.
2.
In order to change any of the parameters make sure that the '<' symbol on
the respective line is highlighted.
3.
Selected parameters are adjusted using the -/NO or +/YES switches, the
rotary knob or the DATA ENTRY fader. The rotary knob has a click which
allows very accurate control. The fader allows rapid adjustment across the
full range.
•
HOST-VER
- This is the version number of the host firmware.
•
VOICE-VER
- This is the version number of the voice circuit board firmware.
•
DSP-VER
- This is the version of the DSP firmware.
•
BOOT-VER
- This is the version of the bootloader used to initialize
the synthesizer.
•
WIFI-VER
- This is the version of the WiFi.
•
FAN-SPEED
- This allows you to adjust the fan speed. The fan speed is
adjustable from 0 (off) to 255 (maximum). Adjust the fan speed to suit your
listening conditions and preference. If the local temperature is high, please
make sure that the fans are not turned off. The DeepMind 12D is equipped
with 2 fans, one internal and one at the rear. At an approximate setting of 40
the internal fan is running and the rear fan is off.
CALIBRATE (Calibration Menu)
This menu in the SYSTEM SETTINGS menu allows you to perform CALIBRATION of
the VOICES and PEDAL INPUT.
1.
To navigate the options in the CALIBRATION menu, use the BANK/UP or
BANK/DOWN switches.
2.
Selected parameters are adjusted using the -/NO or +/YES switches, the
rotary knob or the DATA ENTRY fader. The rotary knob has a click which
allows very accurate control. The fader allows rapid adjustment across the
full range.
3.
In order to start a calibration routine, make sure that the '<' symbol on the
appropriate CALIBRATE line is highlighted, and then press the +/YES switch.
The DeepMind 12D has 12 voices. Each voice has its own LFO, OSC, VCF, ENV and
VCA stages.
The CALIBRATION routine is used for Voice checking, OSC wave shapes, VCF
self-oscillation, Pulse Width modulation and the VCA bias.
VCF
- Unlike many other synthesizers, the DeepMind 12D is capable of
accurate pitch tracking even when the filter resonance is pushed to (and
past) the point where the filter starts to self-oscillate. When using this self-
oscillating feature of the VCF as a sound source, the VCF calibration ensures
the correct response when playing the entire scale of the keyboard.
The DeepMind 12D VCFs are calibrated at the factory during production.
However, because its filters are voltage controlled and can be affected
by extremes of temperature, you may need to use the built-in calibration
function to fine tune them occasionally. Calibration may also be required
after a firmware upgrade or when requested to do so by an authorized
Behringer support technician.
OSC
- The DeepMind 12D OSCs are calibrated at the factory during
production. The oscillators are discrete analog circuits, but they are digitally
controlled. Compared to a Voltage Controlled oscillator (VCO), the OSC has far
superior stability, especially when they have very high frequency, low-jitter
master clock sources, as used in the DeepMind 12D. This stage calibrates the
slope of the sawtooth waveform to ensure even volume and pulse-width
across the full range of the synthesizer.
This means that the OSCs should never need re-calibrating except after a
firmware upgrade, or when requested to do so by an authorized Behringer
support technician.