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4
Controls and Connectors
AES/WC
In internal sync mode, PRES
indicates that
either
WC
or
AES is available at the inputs
as a sync source.
In external sync mode, PRES
indicates that the
selected
sync source is present at the
input connectors.
Synchronization
and
Output Formatting
SAMPLE RATE
Selects the sample rate of
the A/D conversion. This
switch should be set to the
same sample rate as your
sync source. When Word
Clock is selected as an exter-
nal sync source, the AES
Channel Status Sample Rate
bit will be set to the sample
rate value you have selected
here.
(The PL DN setting of this
switch is reserved for future
enhancements.)
EXT SYNC
This switch allows selection
of: Internal mode (unlit),
Word Clock source, or AES
source.
DITHER
Selects the type of dither:
wide bandwidth, 20 bit, or
High Frequency .
FORMAT
Selects the format to be
available at the output con-
nectors, AES or S/PDIF.
Note: The format selected
here will be sent to
all
out-
puts.
DITHER
FORMAT
AES / WC:
SAMPLE RATE
EXT SYNC
WIDE
HF
48
AES
WC
PRES
20 BIT
PL DN
44.1
SPDIF
AES
LOCK
Alternate Modes
ALT - ATTEN
Mutes the outputs. Note that
the level meters still work. To
unmute, hold ALT and press
ATTEN again.
ALT - 4 CHAN
Activates output of a digital
sinewave at the AES ports.
ALT - DISPLAY
Activates remote mode/front
panel lockout. When acti-
vated, the 1dB SCALE and
DISPLAY LEDs flash and
front panel controls are
locked into their current set-
tings. To unlock, hold ALT
and press DISPLAY again.
ALT - LINK
Only active in 4-channel
mode. Activates a short tone
burst. See
Realigning Two
DAT Recordings.
ALT - ON
Reserved for future en-
hancements.
ALT - DITHER
Activates psychoacousti-
cally optimized noise shap-
ing. When activated, WIDE,
20BIT and HF will be lighted.
Note that this type of dither
can only be used in 2-chan-
nel mode; activating will dis-
able 4-channel mode and
compressor functions.
1dB SCALE
ALT
4 CHAN
~
DISPLAY
RMT
LINK
press and hold ...then press one of these.
To activate
the alternate modes...
ATTEN
MUTE
ON
VID
Repeat to exit the alternate mode.
DITHER
LOCK lights in external sync
mode to indicate the unit has
successfully locked to the in-
coming signal (WC or AES).