# Two-stage

Given that the FV-1 only supports 3 control pots, once your patch goes over the normal amount of complexity, it can be a challenge figuring out how to control everything the way you like it.  So you wind up controlling multiple parameters with a single pot.

<figure><img src="https://4148137667-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FvkMElNCYnDaBJfC78R6c%2Fuploads%2FvZPJDv7RjdO8DNBEuU8k%2Ftwo-stage-block.png?alt=media&#x26;token=198ca2e4-9410-4f5f-b0b7-0ecb8dc73dda" alt=""><figcaption></figcaption></figure>

The Two-Stage block (Controls menu) takes a single 0-1 input (e.g. from a pot) and generates two outputs.

<figure><img src="https://4148137667-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FvkMElNCYnDaBJfC78R6c%2Fuploads%2FMWw2Q7TofeS3HomkHJZ7%2Fimage.png?alt=media&#x26;token=928ea052-f11c-451a-8512-689634ab397a" alt=""><figcaption></figcaption></figure>

Stage 1

* Goes from 0 to 1 while the input goes from 0 to 0.5.
* Stays at 1 while the input goes from 0.5 to 1.

Stage 2

* Stays at 0 while the input goes from 0 to 0.5.
* Goes from 0 to 1 while the input goes from 0.5 to 1.

Of course, you can add scale/offsets, power or other control signal shaping options to the outputs to fine tune your idea.