APT is an automatic process that changes time and pitch of the Dub based on the Guide's features and your settings.

Changing the timing and pitch of the APT's process manually is allowed. However,


  • A warning will be given when you start manual adjustments.
  • The Automatic Transfer function will Lock (as shown by Red padlocks in the APT Control Panel and APT Process Control Bar) - to prevent changes to the Guide or Dub causing an automatic recalculation and all the manual edits to be lost.



Select Automatic Transfer LockIf you want to prevent the APT's automatic editing from running automatically and removing any manual changes you make, it is recommended that you leave the APT "AUTOMATIC TRANSFER" lock to ON (red) as shown right.