MOTU 8pre, Руководство пользователя

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Quick Ref
e
re
nc
e:
8pr
e
Rear P
a
nel
1
2
3
4
5
1.
Th
e t
w
o ADA
T optical (“ligh
tpipe
”) por
ts in the t
op r
ow
pr
ovide eigh
t channels of digital input and output a
t 44.1 and
48 kHz.
A
t the 2x sample r
at
es (88.2 or 96 kHz),
the t
op r
ow
pr
ovides channels 1-4 (in and out) and the bott
om r
ow
pr
ovides channels 5-8 (in and out).
W
hen oper
at
ing the
optical por
ts a
t a 2x sample r
at
e,
be sur
e t
o choose either
Ty
pe
I or
Ty
pe II oper
at
ion,
as e
xplained in it
em 2. on the pr
evious
page
.
W
hen the 8pr
e is c
onnec
ted t
o a c
omput
er
, these optical por
ts
pr
ovide digital input and output t
o and fr
om the c
omput
er
.
W
hen the 8pr
e is not c
onnec
ted dir
ec
tly t
o a c
omput
er (via
Fi
re
W
ire
), the optical input is disabled and the eigh
t optical
output channels mirr
or an
y inc
oming signal on the 8pr
e’
s
eigh
t XLR/TRS c
ombo jack analog inputs
. By c
onnec
ting the
8pr
e t
o another de
vic
e,
such as another ADA
T-optical
equipped in
te
rf
ac
e or a digital mix
er
, y
ou add an additional
eigh
t mic inputs t
o y
our sy
st
em.
W
hen the 8pr
e is sla
ving t
o its optical input
, it r
esolv
es t
o the
input in the t
op r
ow
, ev
en when oper
at
ing a
t the 2x sample
ra
te
s (88.2 or 96 kHz).
W
hen the 8pr
e is oper
at
ing a
t the 1x sample r
at
es (44.1 or 48
kHz),
the optical output in the bott
om r
ow mirr
ors the
8-channel optical output in the t
op r
ow
, allo
wing y
ou t
o send
the 8pr
e optical output t
o t
w
o differ
en
t destina
tions in y
our
studio
, if needed
.
2.
Co
nnec
t a MIDI de
vic
e her
e using standar
d MIDI cables.
Co
nnec
t the 8pr
e’
s MIDI OUT por
t t
o the MIDI IN por
t on the
other devic
e.
C
on
versely
, c
onnec
t the 8pr
e’
s MIDI IN por
t t
o
the MIDI OUT por
t on the other de
vic
e.
Yo
u can c
onnec
t differ-
en
t devic
es t
o each por
t, such as a c
on
tr
oller de
vic
e t
o the IN
por
t and a sound module t
o the OUT por
t.
Yo
u can also daisy-
chain MIDI de
vic
es
, but be sur
e t
o manage their MIDI
channels (so tha
t they don
’t r
ec
eiv
e or tr
ansmit on the same
channel).
3.
Co
nnec
t the 8pr
e t
o the c
omput
er her
e using the standar
d
1394 F
ire
W
ire
cable pr
ovided with y
our 8pr
e.
U
se the sec
ond
Fi
re
W
ire
por
t t
o daisy-chain up t
o four MO
TU F
ire
W
ire
audio
in
te
rf
ac
es t
o a single F
ire
W
ire
bus.
Yo
u can also c
onnec
t other
Fi
re
W
ire
devic
es t
o daisy-chain them t
o the c
omput
er
, with
the c
omput
er ser
ving as the F
ire
wir
e host.
4.
Th
ese t
w
o balanc
ed
, quar
te
r-inch jacks ser
ve as the 8pr
e’
s
main outputs
. Y
ou can c
onnec
t them t
o a set of po
w
er
ed
studio monit
ors and then c
on
tr
ol the v
olume fr
om the fr
on
t
panel v
olume knob
. T
o hear disk tr
acks in y
our audio soft
w
ar
e
on these main outs
, assign the disk tr
acks (and mast
er fader)
to
these main outs (
Main Out 1-2
).
Yo
u can also use C
ueMix
DSP t
o monit
or liv
e 8pr
e inputs her
e as w
ell.
5.
Th
ese eigh
t XLR/TRS c
ombo jack acc
epts either a mic cable or
a cable with a quar
te
r-inch plug
. B
oth the lo
w-impedanc
e
XLR jack and the high-impedanc
e
TRS jack ar
e equipped with
40
dB of fr
on
t-panel trim c
on
tr
ol.
Each XLR (mic) input can be
supplied with 48V phan
to
m po
w
er or -20 dB pad via its c
orr
e-
sponding fr
on
t-panel swit
ches.