Lavry AD122-96 MX Operation Manual - page 11
AD122-96 MX
Operations Manual
7
Audio Control Screen
SOFT SATURATION OFF
0
DC REMOVAL: ON +POLARITY
The user may activate the soft saturation feature by altering the setting after
SOFT SATURATION
on
the top line from “
OFF
” to “
+3dB
” or “
+6dB
”
.
Soft Saturation settings are not stored in RAM preset.
When activated, the audio signal is amplified by the dB amount displayed (3dB or 6dB boost), and
signal peaks are compressed gently to avoid digital clipping. The feature emulates magnetic tape
saturation. It is still possible to clip the signal if enough signal level is applied to the analog inputs.
DC offset removal:
The
Model AD122-96 MX
converts signals down to DC (0Hz). The total DC offset (due to DC offset
within the audio signal and the offset of the converter itself) can be removed.
DC REMOVAL should be activated prior to processing of audio, to allow for some settling time (less
then 3 seconds) and to avoid a "click" sound. The algorithm continues to monitor and correct for slow
varying offset variations.
PLEASE NOTE:
Removing the offset is necessary for normal operation when recording audio
signals, so the lower line should always display
DC REMOVAL ON
during audio recording.
Polarity:
+POLARITY
corresponds to analog input signal connection with "pin 2 non-inverting".
- POLARITY
corresponds to analog input signal connection with "pin 3 non-inverting".
Note that polarity reversal works for both balanced and unbalanced analog input signals. The analog
inputs (XLR connectors) are physically wired for pin 2 non-inverting polarity. In the AD122-
96MXpolarity reversal is done digitally (after the conversion).
Data limiting settings:
The symbol
0
in the right corner of the top line, “
SOFT SATURATION OFF 0
”
indicates that
full-scale values are unchanged. The symbol
1
indicates that full-scale values are limited to 1 least-
significant bit less than full scale. In this mode downstream devices will not show digital “overs.” The
MAX lamp indicates full-scale in either mode. This bit is stored in RAM preset. Default is “0.”
Default Parameters Screen
The
Model AD122-96 MX
recalls its power-up default settings from a nonvolatile memory (RAM).
To change the default settings scroll to the RAM PRESET screen:
STORE RAM PRESET:
(PRESS GO/EXIT)
Then press the GO button. The new default settings storage is done and the display changes to:
STORE RAM PRESET:
DONE...