Alesis IO|2 Manuel D'utilisation Du Propriétaire page 7

1. Mic Input - Connect a microphone to this input.
2. Guitar/Line Input- Connect a guitar or line-level
instrument to the IO|2 using this connector. Make
sure the "Mic/Line Guitar" switch (see item #4
below) is set correctly.
3. Input Gain Knob - Set the gain level of each
channel with this knob.
4. Mic/Line or Guitar input select – Lets you select the type of instrument
you'll be using with the Guitar/Line input (see #2 above). Select "Guitar" for
guitars and basses and "Line" for all line-level sources (synths, DATs, etc.)
5. Insert - The insert jack allows you to insert a compressor, EQ, or any other
signal processor in between IO|2's preamplifier and the A/D converter.
6. +48v Phantom Power Switch - Phantom power switch allows you to power
condenser microphones requiring 48V phantom power. This switch activates
phantom power on both channels.
7. Headphone Output Jack - Plug your headphones into this jack.
8. Headphone Level Knob - Set your headphone level using this knob.
9. Mono/Stereo Monitoring Switch - Allows you to switch your headphones to
mono. This is useful for zero-latency monitoring situations where you may not
want your inputs panned hard left and hard right in your headphones.
10. Monitor Mix Knob - Blend in any amount of zero-latency signal from your
mic/line inputs with the output of your computer.
11. Digital/Analog Input Switch - Select the IO|2's input source using this
switch. For normal operation, leave this switch set to "analog." If this switch is
set to "digital," the S/PDIF input will become active and the Lo-Z, Hi-Z, and
Insert inputs on the IO|2 will be ignored.
12. Main Level Knob - Set the level of the main outputs of the IO|2.
Top Panel Connections
Audio Inputs
Do not use the Mic and
Guitar/Line inputs at the
same time on one channel.
This may overload the
channel and cause distortion.
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