Kurzweil MarkPro TWOiS User Manual page 25

Changing Wet/Dry Mix
Hold down the Effect button and press +/Yes or -/No to change the wet/dry
mix, in other words, the amount of the effect.
Effect
Effect List
The three classifications on the last row are effective from 57 through 64,
the Miscelleneous effects:
Rotary Speaker Effects used for KB3 organs
Enhancer
Simple Motion
+
/ No
/ Yes
Effects with Boosted high frequency
Effects with simple repeated motion
Reverbs and Effects 25