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MC-12 Basic Operation
2-3
1 STANDBY BUTTON
Use the Standby button to activate or deactivate standby mode.
The Standby button performs no function when the MC-12 rear
panel power switch is powered off. When standby mode is
activated, all MC-12 zones that were active during the last session
are reactivated. The red LED in the standby button lights to indicate
that standby mode is activated. Power is still supplied to the MC-12
when it is put into standby mode.
2 FRONT-PANEL DISPLAY
Use the Front-Panel display to view the current input, listening
mode, input source, and volume level. The 2 x 20 character display
also functions as a display for messages and menus.
3 IR RECEIVER
The IR Receiver receives infrared commands from the MC-12
remote control. There are three associated LEDs.
• The amber LED blinks when a remote control command is
received.
• The red LED lights when the A/D converters are overloading.
• The blue LED lights when the MC-12 is powered on and
activated – even if the FRONT PANEL DISPLAY menu STATUS
parameter is set to ALWAYS OFF.
4 VOLUME KNOB
Use the Volume knob to adjust volume level in all zones.
Note:
When MC-12 output levels are properly calibrated, the +0dB volume level
setting corresponds to the THX reference level (75dB).
To adjust the Main Zone volume level:
Rotate the volume knob clockwise or counter-
clockwise to increase or decrease the volume
level in 1dB increments. A horizontal bar
graph indicating the current Main Zone volume level appears in the
on-screen and front-panel displays. The Main Zone volume range is
–80 to +12dB.
To adjust the Zone 2 or Record Zone volume level:
1. Press and hold the front panel Zone 2 or Record Zone input
selection button that corresponds with the current input
source. For example, if the current input source is DVD1, press
and hold the DVD1 input selection button.
2. Push and hold a Zone 2 or Record Zone
input selection button while rotating the
volume knob clockwise or counter-
clockwise to increase or decrease volume
level in 1dB increments. A horizontal bar
graph appears on the on-screen and front
panel displays. The Zone 2 or Record Zone volume range is –80
to +12dB.
3. When the Zone 2 or Record Zone volume level has been set,
release the input selection button.
Remote control input selection buttons cannot be used to select
Zone 2 or Record Zone volume level adjustment, even if the Zone 2
or Record Zone command bank is activated.
Amber LEDRed LED
Blue LED
VOLUME -34db
RECORD VOLUME -34db
ZONE 2 VOLUME -34db