Clavia lead 2x Guida Utente

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This is used to set to what degree the Envelope (see below) should affect the filter. The more you raise 
this knob, the more drastic the effect.

This knob operates in addition to the Filter Frequency setting. This means that if you for example set the 
Frequency knob half-ways, the filter will be already half-open the moment you press a key. The envelope 
will then be used to open the filter further. Exactly how much further is determined by the Envelope 
Amount setting.

Let’s take another example of the relation between Frequency and Envelope Amount: If the Filter Fre-
quency knob is already turned fully right, the Envelope Amount setting has no effect at all, since the filter 
is already fully open the moment you press the key.

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When this switch is activated, the Envelope Amount varies with Velocity (how hard you play the key-
board). For this switch to have any effect, the Envelope Amount setting can’t be set to zero (full left). 
Please note that more detailed velocity control can be achieved with the velocity programming function.

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With this switch turned off (none of the indicators are lit), the Filter Frequency setting is constant re-
gardless of where on the keyboard you play.

When Keyboard Track is activated, the filter frequency setting will be higher for higher notes as indicated 
in the illustration below. You can select between three degrees of Keyboard Track: 1/3, 2/3 and “full”, as 
indicated by the LEDs above the button.

The reason for using the Keyboard Track switch is related to basic acoustics. If you raise the pitch of a 
waveform, the harmonics naturally raise in frequency. If the filter frequency is then constant, the sound