
6
AUDIO CONTROL UNIT FRONT PANEL
REFERENCE MONITOR CONTROLLER
GRACE DESIGN USA
1
2
1
HEADPHONE OUTPUT standard TRS 1/4” jack for head-
phones. Wired in parallel with the jack on the RCU.
Connection to headphones should be made using
standard ¼” TRS stereo connectors.
2
AC mains power standby switch Illuminates green
when m905 system is powered on. ALL SYSTEMS GO!
REMOTE CONTROL UNIT (RCU)
TALKBACK
VOLUME
push for phones
SPEAKER 1
MUTE
SETUP
MON > CUE
SPEAKER 2
SPEAKER 3
MONO
x-feed
SUB MUTE
solo
DIM
spl clear
sub solo
L - R
1
2
3
4
5
6
7
8
9
10
11 12
16
17
13 14 15
18
19
20
21
Note: for all the dual function buttons on the RCU, the primary push release function illuminates solid, and the
push and hold function flashes.
1
Graphical user interface (GUI) This color LCD displays
all operating parameters and setup menus.
2
Analog input unbalanced selects input source con-
nected to the unbalanced RCA analog input.
3
Analog input balanced selects input source connected
to the balanced XLR analog input.
4
CUE input selects input source connected to the bal-
anced XLR CUE input.
5
TOSLINK input selects input source connected to the
TOSLINK optical input.
6
ADAT / AES DW INPUT When ADAT mode is active se-
lects ADAT format digital stereo signal. Once selected,
pushing the switch toggles through available input
pairs. When AES Dual Wire mode is active, AES DW
selects the Dual Wire source connected to the AES1
and AES2 inputs.
7
S/PDIF selects input source connected to the S/PDIF
RCA style connector