Drawmer MX60 Pro Front End One - Manual (Page 12)

OUTPUT STAGE
Master Fader Sets the overall output level of the MX60 from off to
+15dBu. An eight-section LED mater shows the output level
from !20dBu to +15dBu. (Levels referenced to +4dBu.)
Pre Fade Limiter
Hard
The output stage includes a fixed threshold limiter set at
+16dBu. A red LED lights when hard limiting is taking place
Soft An amber LED will illuminate for soft limiting to show that
the signal level is approaching the hard limit point.
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