4-3
Rev 2.2, 10/31/94
DIGITAL IN/SYNC The DIGITAL IN/SYNC LED indicates the presence of
digital signals at either the AES/EBU or S/PDIF
digital inputs. This LED also flashes to indicate
error conditions (including no signal present)
occurring with either of the digital inputs.
MIC LED This LED indicates selection of the analog
microphone input.
MIC This rotary control determines the gain of the
microphone preamplifier circuit.
LINE LED This LED indicates selection of the analog line
input.
LINE This rotary control determines the gain of the line
input circuit.
The three status LEDs indicate the status of their associated input as well as indicating error
conditions. For the analog inputs, the status LEDs also indicate which gain control is active. If
the
DIGITAL IN/SYNC LED flashes, this indicates the loss of digital data at the digital input (if a
mode requiring either digital data or digital clock has been selected).
4.4.1 EQ Band Select
BAND 1 Band 1 is a bandpass peak/dip or low-frequency
shelf. The EQ range is +18 dB to -50 dB, 31 Hz to
21.11 kHz, .05 to 3-octaves bandwidth (Q = 29 to
0.4). Pressing this switch toggles the Band 1
equalizer between in and
out
.
BAND 2 Band 2 is a bandpass peak/dip. The EQ range is
+18 dB to -50 dB, 31 Hz to 21.11 kHz, .05 to 3-
octaves bandwidth (Q = 29 to 0.4). Pressing this
switch toggles the Band 2 equalizer between in and
out
.
BAND 3 Band 3 is a bandpass peak/dip or high-frequency
shelf. The EQ range is +18 dB to -50 dB, 31 Hz to
21.11 kHz, .05 to 3-octaves bandwidth (Q = 29 to
0.4). Pressing this switch toggles the Band 3
equalizer between in and
out
.
4.4 Parametric EQ Block
The parametric EQ block encompasses a full-function three-band
parametric equalizer. All three bands provide reciprocal peak/dip
equalization and bands 1 and 3 may be individually switched to
shelving curves. For flexibility, each equalizer band covers the
entire frequency range. The rate of change for level and frequency
(bandwidth and center frequency) may be altered by holding down
the
LEVEL or FREQ switch until the display shows
rt
.
.
LEVEL(dB)
BAND 3
BP
BAND 2
BP
PARAMETRIC EQ
HIGH WIDTH(Oct)
FREQ(kHz)
LIP
4
LOW
BAND 1
BP
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