Linking and Unlinking Controls on Multi-Mono Plug‑InsWhen a multi-mono plug-in is used on a stereo track or greater-than-stereo multichannel track (Pro Tools HD and Pro Tools with Complete Production Toolkit Only), the controls are linked by default. Adjusting the Gain control on one channel, for example, will adjust it for all channels.You can unlink multi-mono plug-in controls on specific channels of a track and edit them independently. You can also selectively link the controls of specific channels.1 Deselect the Master Link button if it is not already deselected.2 Click the Link Enable buttons for the channels whose controls you want to link.