4X4 QuickMedia™ Matrix Switcher
Crestron
QM-MD4X4
Operation
Operating Modes
The QM-MD4X4 operates in either the
System
mode or the
Local
mode.
System Mode
Switching functions controlled by control system program. Press the
SYS
button to
activate
System
mode (accompanying LED will light).
•
When in
System
mode, pressing input or output buttons shows
source/destination information.
Local Mode
Switching functions controlled by front panel buttons. Press
LOCAL
to activate
Local
mode (accompanying LED will flash).
•
Local
mode may not be available if the buttons on the front panel are locked
by the control system. If the buttons are locked, the
LOCAL
LED will
rapidly flash three times and turn off when
LOCAL
is pressed. The front
panel can only be unlocked with control system programming.
System
Mode Operation-Viewing Signal Routing
Viewing Source Routing
Press an input signal button to display all of the outputs that are connected to it.
Viewing Output Routing
Press an output signal button to display the input signal that is connected. All outputs
that are receiving the same input signal are also displayed.
The
AUDIO BREAK
LED will illuminate if there is any difference between the
audio and video route for any signal. The
A
and
V
LEDs indicate which portion of a
signal is displayed. Press
A
or
V
to select the portion to display.
NOTE:
The
AUDIO BREAK
button has no function when the QM-MD4X4 is
operating in the
System
mode.
Local
Mode Operation-Switching Signal Routing
Signals coming in to the QM-MD4X4 can be switched to individual or multiple
output locations. Additionally, the audio and video portions of an input signal can be
switched simultaneously or separately.
Switching Audio & Video
Simultaneously
1. Press
LOCAL
to place the QM-MD4X4 in the
Local
mode (the
LOCAL
LED is flashing slowly).
2. Press
AUDIO BREAK
to turn off the audio break function. The
AUDIO
BREAK
LED will turn off and the
V
LED will be on.
NOTE:
If any outputs have different audio and video sources, the audio
inputs will switch to match the video inputs.
3. Press the button corresponding to the input to be switched. The LED of the
selected input will light.
4. Press the button(s) corresponding to the output(s) to be switched. The
LED(s) of the selected output(s) will light.
22
•
4X4 QuickMedia™ Matrix Switcher: QM-MD4X4
Operations Guide – DOC. 6546A
