API 527 Operator's Manual page 6

RATIO
3
4
2.5
6
1.5
10
1 0 0
RA TIO
METERING - Gain Reduction
GR VU OV
-1.5 3
-4 2
-6 1
-8
0
-10 -1
-12 -3
-15 -5
-17 -7
-19 -10
-23 -20
G R
METER
V U
I N
LINK
N E W
TYPE
O L D
H A R D
KNEE
S O F T
I N
R
THRUST
IN
RATIO: Sets the ratio of input vs. output levels for signals that
exceed the set THRESHOLD
· Continuously variable between 1:1 and infinity (hard
Limiting)
· A Ratio of 10:1 or greater is generally considered to be a
limiter
· Detented rotary pot for easy recall
A gain reduction (GR) meter is provided to indicate the
amount of compression being applied when the METER switch
is in the GR position.
When no gain reduction is being applied, all LED's are lit on
the Gain Reduction meter (GR). When compression occurs, the
corresponding LED's extinguish to indicate the amount of gain
reduction. The following gain reduction increments are
provided:
· -1.5 dB
· -4 dB
· -6 dB
· -8 dB
· -10 dB
· -12 dB
· -15 dB
· -17 dB
· -19 dB
· -23 dB
API 527 Compressor
Page 5