4-15
Rev 2.2, 10/31/94
As you rotate the Wheel, the 601 cycles through the mic, line, and digital
inputs. For each input, the 601 cycles through the four routing options shown in
the table. For analog sources, input 1 is the microphone input and input 2 is the
line input. For digital sources, inputs 1 and 2 are the left and right channels,
respectively, of the digital input stream.
bAr1/bAr2
Temporarily shifts the INPUT HEADROOM display to monitor one or the other of
the two input channels. The measurement point is immediately prior to the
digital gain trim. Exiting this menu function restores the bargraph to its normal
mode, which displays the highest peak level of the two input signals.
CLCI
/
CLCE
Clock source for the internal ADC, DAC, and DSP. If the display reads
CLCI
and if
the input source is microphone or line then the clock source is the internal 44.1
kHz or 48 kHz sample rate oscillator.
If the display reads
CLCE
then the external AES/EBU input is used for the clock
reference. This allows a master system clock to provide the sample-rate reference
for the 601, and precludes any problems with mismatch or drift between digital
clocks.
nP--
/
Prt
Controls memory write protection. When memory is not write-protected the SAVE
switch LED will either be on solid (edit buffer not dirty) or flashing (edit buffer
modified/dirty). When memory protection is enabled, the
SAVE switch LED never
illuminates.
44.1 / 48.0
Selects 44.1kHz or 48kHz as the internal sampling rate for analog input signals.
This menu selection is only valid for internal clock sources (
CLCI
).
4.8.2 MIDI Switch
The MIDI switch sets various MIDI parameters in the 601. In addition, it accesses the realtime
block editor allowing modification of either of the two realtime blocks or setting any parameter
within the edit buffer. A short press on the MIDI switch accesses the following parameters:
CH.nn
Sets the MIDI channel number where nn can be
AL
for omni mode or 1-16 for a
specific MIDI channel number. Stored as global parameter.
U.nnn
Sets the MIDI unit number. Allows multiple 601s to share the same MIDI
channel number for sysex type messages.
nnn
can range from 0-7e for specific
unit numbers, or
AL
to ignore the unit number in sysex messages. Stored as
global parameter.
dnEd
Downloads the edit buffer. Holding down the switch (long press) sends out the
current state of the edit buffer as a sysex message. After the complete buffer has
been sent the display reads
donE
.
dnAl
Downloads all stored programs and all ROM programs. Holding down the switch
(long press) sends out all programs. After the dump is complete the display reads
donE
. During the dump the decimal point walks to show progress.
rEAL
Allows creating realtime MIDI setups as well as setting any edit buffer parameter
from the front panel. For a complete discussion, refer to Chapter 7 and Appendix
A of this manual.
A long press on the MIDI switch accesses the realtime block editor. This is
described in greater detail in Appendix A of this manual.
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