6
m
904/ m904
b
rearpanel
U
T
S
R
REMOTE
GRACE DESIGN USA
S/PDIF
TOSLINK
L
R
REMOTE
LOCAL
TB MIC
TB SW
1
3
PUSH
2
1
3
PUSH
2
1
3
PUSH
2
1
3
PUSH
2
1
3
PUSH
2
THRU
WORD CLOCK/
SUPERCLOCK
IN
1M
75
load
CUE IN
L
R
CUE OUT
L
R
CR OUT 2
L
R
CR OUT 1
L
R
DAC OUT
L
R
2 CH 1
L
R
2 CH 2
L
R
S/PDIF OUT
AES3 OUT
ADAT IN
AES3 2
AES3 1
UNBAL IN
1
3
PUSH
2
1
3
PUSH
2
1
3
PUSH
2
1
3
PUSH
2
B
L
G
H
D
J
E
I
C
F
K
O
Q
M
N
P
A
A
IEC AC INPUT CONNECTOR
B
DIGITAL LOOP-THRU OUTPUTS
C
WORD CLOCK/SUPER CLOCK THRU
D
WORD CLOCK/SUPER CLOCK IN
E
WORD CLOCK LOAD TERMINATION SWITCH
F
ADAT INPUT
G
AES3 2 STEREO INPUT
H
AES3 1 STEREO INPUT
I
S/PDIF STEREO INPUT
J
TOSLINK STEREO INPUT
K
UNBALANCED ANALOG INPUTS
L
TALKBACK MIC INPUT
M
BALANCED 2 INPUTS
N
BALANCED 1 INPUTS
O
BALANCED CUE INPUT
P
BALANCED CUE OUTPUT
Q
CONTROL ROOM SPEAKER OUT #2
R
CONTROL ROOM SPEAKER OUT #1
S
FIXED DAC OUTPUT AES3
T
TALKBACK REMOTE SWITCH JACK
U
REMOTE CONTROL CONNECTOR
V
REMOTE / LOCAL CONTROL SWITCH
V
P
SYSTEM LCD
This backlit LCD shows various m904 status settings, such as the input source se-
lected, current sample rate, s-Locktm state, clock source, etc…
Q
SEL SWITCH
The SEL switch is used to select between Word Clock, Super Clock or Loop-Sync clock
when an external clock reference source is used.
