TASCAM DM-24 Installation and Use Owners Manual - Page 36

Setting up the I/O

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5 - Setting up the I/O Because the DM-24 is a "soft" digital mixing console, there are few of the hard-wired assignments that you find on an analog console. In addition, the DM-24 includes an internal patchbay, which allows routing and splitting of signals within the console, providing a high degree of flexibility, and easy re-configuration when the requirements within a project change. These routing and configuration settings can be stored in snapshot settings, allowing easy switching between the commonly-used routing patterns (for example, tracking, overdubbing and mixdown). Signal sources The DM-24 defines channel signal sources as inputs and returns, as explained here. In the I/O assignment screens, each channel from 1 through 24 has two different sources-input and return-available (channels 25 to 32 have only one source-input-available): inputs returns In this illustration, the mic/line inputs are selected as the inputs (upper box) for channels 17 through 24. The ADAT connector audio is selected as the return source (lower box) for these channels. Sixteen mic/line analog inputs are avail- able on the DM-24. These are referred to on-screen as M/L. They may be assigned to the console channels numbered 1 through 32. These are inputs. Three TDIF connectors (1 through 3) carry eight channels of I/O digital audio each (in base frequency mode-in dual-frequency mode, this situation is different). These TDIF inputs may also be assigned to console channels numbered 1 through 24. These are returns. The library facilities also allow the retention of I/O patches, etc. between snapshots, so that the I/O settings are not always overwritten by the recalled snapshot. See "Protecting snapshot settings" on page 102 for full details. NOTE This section deals only with the assignments in normal sampling frequency modes (either 44.1k or 48k). If the DM-24 is to be used in high sampling-frequency mode, the screens and the options are a little different. See "High sampling frequency" on page 112 for details. ADAT connector The single "lightpipe" ADAT input connector carries eight channels of digital audio input. The eight audio channels received through this connector may be assigned to any of the console channels numbered 1 through 24. These are returns. DIGITAL IN 1 & 2 Each of these logical inputs has two physical connectors: an XLR, typically used for AES/EBU connections, and an RCA jack, typically used for SPDIF connections. One of these can be selected for each logical input, and routed to any of the console channels numbered 1 through 32. These are inputs. Card slots Optional cards may be installed in the two card slots for expansion of the digital and analog I/O. These are treated as returns, and may be routed to the channels 1 through 24. Assignable returns These four balanced analog inputs may be assigned as channel inputs (for example, when they are used with external effect processors). These are inputs and are assignable to channels 1 through 32. Internal effectors The DM-24 has two internal digital effectors, with stereo returns. These returns are inputs and are assignable to channels 1 through 32. 36 TASCAM DM-24 Reference Manual

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36
TASCAM DM-24 Reference Manual
5 – Setting up the I/O
Because the DM-24 is a “soft” digital mixing con-
sole, there are few of the hard-wired assignments that
you find on an analog console.
In addition, the DM-24 includes an internal patchbay,
which allows routing and splitting of signals within
the console, providing a high degree of flexibility,
and easy re-configuration when the requirements
within a project change.
These routing and configuration settings can be
stored in snapshot settings, allowing easy switching
between the commonly-used routing patterns (for
example, tracking, overdubbing and mixdown).
The library facilities also allow the retention of I/O
patches, etc. between snapshots, so that the I/O set-
tings are not always overwritten by the recalled snap-
shot. See “Protecting snapshot settings” on page 102
for full details.
NOTE
This section deals only with the assignments in normal
sampling frequency modes (either 44.1k or 48k). If the
DM-24 is to be used in high sampling-frequency mode,
the screens and the options are a little different. See
“High sampling frequency” on page 112 for details.
Signal sources
The DM-24 defines channel signal sources as
inputs
and
returns
, as explained here.
In the I/O assignment screens, each channel from 1
through 24 has two different sources—
input
and
return
—available (channels 25 to 32 have only one
source—
input
—available):
In this illustration, the mic/line inputs are selected as
the
inputs
(upper box) for channels 17 through 24.
The ADAT connector audio is selected as the
return
source (lower box) for these channels.
Sixteen mic/line analog inputs
are avail-
able on the DM-24. These are referred to on-screen
as
M/L
.
They may be assigned to the console channels num-
bered 1 through 32. These are
inputs
.
Three TDIF connectors
(1 through 3) carry
eight channels of I/O digital audio each (in base fre-
quency mode—in dual-frequency mode, this situa-
tion is different).
These TDIF inputs may also be assigned to console
channels numbered 1 through 24.
These are
returns
.
ADAT connector
The single “lightpipe” ADAT
input connector carries eight channels of digital
audio input.
The eight audio channels received through this con-
nector may be assigned to any of the console chan-
nels numbered 1 through 24.
These are
returns
.
DIGITAL IN 1 & 2
Each of these logical inputs has
two physical connectors: an XLR, typically used for
AES/EBU connections, and an RCA jack, typically
used for SPDIF connections. One of these can be
selected for each logical input, and routed to any of
the console channels numbered 1 through 32. These
are
inputs
.
Card slots
Optional cards may be installed in the
two card slots for expansion of the digital and analog
I/O. These are treated as
returns
, and may be routed
to the channels 1 through 24.
Assignable returns
These four balanced analog
inputs may be assigned as channel inputs (for exam-
ple, when they are used with external effect proces-
sors).
These are
inputs
and are assignable to channels 1
through 32.
Internal effectors
The DM-24 has two internal
digital effectors, with stereo returns.
These returns are
inputs
and are assignable to chan-
nels 1 through 32.
inputs
returns