Lexicon
300L Owner's Manual
4-18
DLY (Master Delay)
this compensation will be quite accurate as long as SPEQ is set to less than 3
dB boost.
Stereo Adjust Page Two
DLY controls a 5-second stereo delay line, with coarse resolution. Separate
mono and fine controls are on Page Five. This is a post-processing full-level
delay, and is always in the circuit. This is a ganged stereo control with the display
showing both left and right delay values.
BXO sets the crossover point for BAS. When BAS is set to full cut, the level is
-3 dB at the frequency set with BXO.
TXO sets the crossover point for TRB. When TRB is set to full cut, the level is
-3 dB at the frequency set with this control.
TXLR sets the crossover point for TBL and TBR. When either is set to full cut,
the level is -3 dB at the frequency set with this control.
These controls allow independent adjustment of left and right treble. They may
be used together with the stereo adjustments to create a 12 dB/octave cut or
boost. Note that the 3 dB frequencies can be different from the stereo set.
Stereo Adjust Page Three
When this control is on, the left channel is delayed relative to the right by 11µsec
(1/2 sample). This control specifically corrects for the timing error between
channels caused by consumer digital systems (e.g. the Sony PCM-F1 and its
progeny) that time-share single analog converters. Turning on this delay time
aligns the left channel audio data for compatibility with professional systems.
When DEMP is On, the incoming signal is digitally de-emphasized. This should
not be used unless the material has been emphasized in the record process—
such as a PCM-F1 tape. Note that the emphasis bit in the incoming signal can
be turned off from Control Mode, Page Five, Slider 2.
When digital de-emphasis is applied, the CD mastering lab must be informed
that the tape is not emphasized, and the CD emphasis bit should be manually
set to Off. Mastering labs are happy to do this, but they
must
be informed!
TXO (High Frequency
Cutoff)
BXO (Bass Crossover)
TXLR (Independent
Treble Crossover)
TBL, TBR (Independent
Treble Boost/Cut)
SAM (1/2 sample)
DEMP
(De-emphasis On/Off)
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