8
H
SPKR SEL SWITCH The speaker select switch is used to toggle between the available speaker output sets.
Each press of the switch lights the LED associated with each speaker set (1 or 2).
I
MONO SWITCH Pressing this green illuminated switch mono sums the stereo left and right channels.
J
MUTE SWITCH The mute switch is used to fully mute control room / speaker outputs from the m904. The
red switch LED illuminates when active.
K
DIM SWITCH Pressing this illuminated switch reduces the monitoring level of the currently selected speaker
output set by 20dB (this value can be edited in CAL mode). Pressing the switch again returns the system to its
normal output monitoring levels.
L
CAL SWITCH Pressing the CAL switch activates calibration mode on the m904. When CAL mode is active,
the red LED CAL switch will flash. CAL mode is exited by pressing the switch again. Please refer to the ‘Accessing
the Cal Modes’ chapter of this manual for detailed information about m904 system calibration.
M
MON > CUE SWITCH The MON > CUE switch is an illuminated switch used for routing the selected stereo
input source to the CUE output. In addition, this switch may be configured to access a third stereo speaker pair
output.
N
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.
O
SYSTEM LCD This backlit LCD shows various m904 status settings, such as the input source selected, current
sample rate, s-Locktm state, clock source, etc…
P
HEADPHONE AMPLIFIER JACK This ¼” TRS headphone output jack is provided on the remote control unit to
access the integrated reference headphone amplifier.
Q
REMOTE CONNECTOR This female DB15 connector is used to supply the remote unit with power, head-
phone signals and serial communication.
