MOTM

thanx Dave thats help,i will try agin.

Gur Milstein

At 09:55 AM 5/14/99 -0500, you wrote:
>From: "Dave Bradley" <daveb@...>

>1. Set up your reference oscillator to play a sawtooth at about 125 Hz (one
>octave below middle C, exact pitch does not matter at all). It should not be
>connected to any keyboard voltage or modulation, you just want a straight
>steady tone. I find it easier to set the tone to play continuously, either
>by turning up the initial VCA gain or, if it is an external VCO from some
>other synth, prop the key down with something.
>
>2. Hook your MOTM-300 to your midi/cv source, and use a sawtooth. You should
>have already set the trimmer to approximately its center range as the VCO
>instructions told you to. Make both oscillators the same loudness. Don't
>play so loud that you cause other things in the room to rattle, etc. Play
>one octave below middle C on the keyboard, and tune the MOTM exactly to the
>same pitch as the other VCO using Coarse and Fine controls. When the pitch
>is very close, you hear "beats" between the 2 pitches. When it is in tune,
>you hear none.
>
>3. When they are perfectly in tune, play a note one or two octaves higher
>and you should hear that the VCO is either somewhat sharp or flat. Turn the
>Fine tune up or down until it is in tune again. If you had to turn Fine
>clockwise, it was flat, and you will need to turn the trimmer clockwise a
>little bit. If you had to turn Fine CCW, it was sharp, and you have to turn
>the trimmer CCW some.
>
>4. Now play the low note again, and retune the MOTM so that it is perfectly
>in tune (no beats), and repeat steps 3 and 4 to refine your tuning until you
>zero it in.
>
>5. You can continue to refine this by playing a wider interval. I generally
>stop after about 4 octaves.
>
>Repeat for all VCOs, setting up 1 as the drone and one for calibration.
>Easy! It should not take you more than 5 to 10 minutes per VCO.
>
>Dave Bradley
>Principal Software Engineer
>Engineering Animation, Inc.
>daveb@...
>