M-AUDIO MobilePre USB - Manual (Page 18)

Hardware Setup
Front Panel Features
The front panel of the MobilePre USB houses features providing the
following functions:
1. Channel 1 Inst/Line Input Jack:
This 1/4” balanced connector
accepts an instrument or line level signal for Channel 1 of the
MobilePre USB. This input is ideal for recording guitar, bass or
synthesizer. If you are recording a stereo line-level source, plug the left
channel into Line Input 1 (on the front panel of the MobilePre USB) and
the right channel into Line Input 2 (on the rear panel).
2. Channel 1 Gain Knob: This control knob regulates the level of
the signal going from the Channel 1 Mic or Line input to your
computer.
3. Channel 1 Level LEDs: These two LEDs show signal present and
clipping of Channel 1 of the MobilePre USB.You should adjust the Gain
control so that the signal present is on as much as possible but the Clip
LED does not come on.
4. Channel 2 Gain Knob: This control knob regulates the level of
the signal going from the Channel 2 Mic or Line input to your
computer.
5. Channel 2 Level Meter: These two LEDs show when input signal
into Channel 2 is present or clipping.You should adjust the Gain control
so that the signal present is as high as possible without lighting the the
Clip LED.
6. Headphone Output Jack: This 1/8” stereo jack plays back
outputs 1 and 2 through the Left and Right speakers of your
headphones.
7. Headphone Level Knob: This knob controls the level to the
Headphone Out
8. Phantom Power Switch: Press this switch button into the
In-position to send voltage to microphones which require phantom
power and are connected to XLR Mic Inputs 1 and 2.
9. Phantom Power Indicator: This LED lights when phantom
power is switched on.
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