2.3 Front Panel Descriptions
1. Power LED
Indicates that the unit is powered on when lit.
2. USB LED
Indicates a valid USB connection to the host computer when lit.
3. MIDI In LED
indicates presence of incoming MIDI data at MIDI input.
MIDI Out LED
indicates transmission of MIDI data from MIDI output.
4. Mic/Line / Gtr Switches
switches inputs between Mic/Line level and
5. SIGNAL LED
indicates the presence of audio signal on the respective channel. (Specifically, when input level exceeds
OL LED
indicates an overload on the input level to the respective channel. (Specifically, a level of
6. A and B Input Trims
input level adjustment. Rotate clockwise to increase input level of analog sources.
7. Line Out Level
controls the level to the RCA (analog) outputs.
Headphone Out Level
controls the level to the headphone outputs.
8. DATA Wheel
sends continuous controller information to application. In Cubasis, functions as a shuttle wheel if no SELECT switch is held down, or as PAN control if a channel SELECT switch is pressed and held.)
9. Fader NULL Switch and LED
when pressed, disengages physical faders from the application. Used to match US- 224’s faders with those of the software application’s internal mixer. When using FADER NULL, the selected channel’s REC and SEL LED’s indicate the
10.Input Monitor Switch and LED toggles Input Monitor adjust mode. When the associated LED is on, the FADER and MUTE switches for channel strips 1 and 2 control the level of Inputs A and B to the US- 224’s stereo output.
11.Bank Switches and LEDs
pages between successive banks of four faders.
12.Transport Controls:
REW
transport rewind.
FFWD
transport fast forward.
STOP transport stop.
PLAY transport play.
RECORD transport record.
13. LOCATE << and >>
moves transport to L and R locate points.
SET
holding SET and pressing << and >> buttons sets L or R locate points, either on the fly or while stopped
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