MS-1 Controls
Step 2: Controls
1. KEYBOARD – the keyboard has 32 semi weighted, full-size keys.
2. TUNE – adjust the frequency of the main VCO of the synthesizer.
3. POWER – turn the synthesizer on or off. Make sure all the connections are made before turning on the unit. The LED shows when
power is applied and the unit is turned on.
Modulator Section
4. LFO/CLK RATE – adjust the frequency of the modulation LFO. The LED blinks at the current rate.
5. LFO RATE – select the frequency range of the LFO rate fader from Low, Medium, or High.
6. WAVEFORM – select the waveform from triangular, square wave, random, or noise.
VCO Section
7. MOD DEPTH – adjust the level of modulation of the VCO.
8. RANGE – select the overall frequency range (octave) of the VCO from 16’, 8’, 4’, and 2’.
9. PULSE WIDTH – adjust the pulse width of the VCO when the pulse modulation source switch is set to Manual. For LFO and ENV, it
adjusts the effect of the modulation.
10. PULSE WIDTH MODULATION SOURCE– select from LFO triangular waveform, Manual, or Envelope.
Source Mixer Section
11. PULSE – adjust the level of the pulse waveform.
12. SAW WAVE – adjust the level of the sawtooth waveform.
13. TRIANGULAR – adjust the level of the triangular waveform.
14. SUB OSCILLATOR – adjust the level of the sub oscillator.
15. SUB OSC TYPE – select the type of sub oscillator, from 1 octave down, 2 octaves down, or a narrower pulse width at 2 octaves
down.
16. NOISE – adjust the level of noise.
17. EXT AUDIO – adjust the level of incoming audio from an external source.
Sequencer Section SEQUENCER – see details on page 16 and 36.
VCF Section
18. FREQ – adjust the cutoff frequency of the VCF. Frequencies above the cutoff are attenuated.
19. RES – adjusts the amount of volume level boost (resonance) given at the cut-off frequency.
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