The Compressor Stomp pumps up your sound and keeps your dynamics in check. The compressor can add depth and sustain to your sound while helping you cut through a mix. It is offered in Mono and Stereo.
COMP: 0 to 100; Default: 25 Most of the compressor intensity is set by the Input gain value of the Comp control. The higher the setting, the more compression is added.
ATTACK: 1 to 50; Default: 4.99 The lower the attack setting, the quicker the compression kicks in.
RELEASE: 50 to 2000ms; Default: 750 The higher the release setting, the longer it takes for the compression to end.
Waves Guitar Tool Rack User Guide.