Playback and Recording : Punch Recording Modes : QuickPunch Audio Recording

QuickPunch Audio Recording
For more information, see the following topics:
QuickPunch is available on all systems and lets you instantaneously punch in and out all record-enabled audio tracks during playback by clicking the Record button in the Transport.
*
Many Pro Tools systems also let you use a footswitch to punch in and out. See the guide that came with your Pro Tools audio interface, control surface, or ICON worksurface (Pro Tools HD and Pro Tools with Complete Production Toolkit only).