3
D I G I T A L M U S I C C O R P O R A T I O N
2. Operation
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2.1 Front Panel
1. Power
Switch
: Applies power to System Mix Plus.
2. MIDI
FEED
: Direct passive feed thru to the MIDI FEED on the rear panel.
3. Level
LEDs
: Indicate output level of Mix 1 and Mix 2,
not
left and right. The thresholds
are:
+10
dBu
(Red)
0 dBu (Yellow)
- 10 dBu (Green)
- 20 dBu (Green) (Note: 0 dBu = 0.775 volt RMS)
When setting levels, the signal peaks should barely light the yellow LEDs. You should
NEVER see the red LEDs. See section 3.3 for more information.
4. MIX LEVEL CONTROLS:
Stereo volume for MIX 1 and MIX 2. Unity gain is set with
the knob at 12 o'clock.
5. CABINET
SIMULATOR
In/Out:
Switches the speaker cabinet simulator on and off.
Simulator is on when the button is pushed in.
6. CABINET SIMULATOR Open/Closed:
Selects between two different speaker cabinet
types for the sound of the cabinet simulator.
7. BALANCED OUT Ground Lift:
Disconnects pin 1 of the BALANCED OUT jacks from
ground when pushed in.
8. BALANCED OUT Phase Invert:
Reverses the phase relationship between pins 2 and 3 of
the BALANCED OUT jacks. With the button out, pin 2 is "+" and pin 3 is "-". With the
button pushed in, pin 3 is "+".
9. L - BALANCED OUT - R:
Left and Right balanced outputs from Mix 2 or from the cabinet
simulator if it's switched in.
