Apple Final Cut Pro 5 - Manual (Page 843)

56 Part I Media and Project Management
Clip Indicators
The Master meter and the floating audio meters have a clip indicator which lights up
when the output signal reaches 0 dBFS. Once the clip indicator is lit, it stays on during
playback to let you know that part of your signal clipped. The clip indicator also stays
on after you stop playback, but it is turned off each time you start playback.
To turn off clip indicators during playback:
m Click the clip indicators on the Master meters or floating audio meter.
Red clip indicator