On Wed, 2012-08-22 at 00:11 +0200, Nick Copeland wrote: > A modifying voltage carries no reference since it cannot - it is a > voltage, Right - but if the sum of all modifiers is an integer value, then the oscillator should produce an A -- JMA - Harlequin http://web.comhem.se/mx44turbo/cute/harlequin.mp3