Lexicon I-ONIX U42S Owner's Manual page 13

8. 48v PhantOM POwer ButtOn - MIc/LIne 1 anD MIc/LIne 2
This enables the phantom power to the Mic/Line 1 and Mic/Line 2 inputs.
When it's on, the +48V LED between Mic/Line/Inst Gain knobs 1 and 2
lights on the front panel. Dynamic microphones do not require phantom
power to operate, but are not harmed by it. Most condenser microphones
do require phantom power to operate. If you are unsure about the phantom
power requirements for your microphone, consult your microphone's docu-
mentation or contact the manufacturer. This switch should be OFF if you
are connecting any line-level source to the Mic In jacks.
9. 48v PhantOM POwer ButtOn - MIc/LIne 3 anD MIc/LIne 4
This enables the phantom power to the Mic/Line 3 and Mic/Line 4 inputs.
When it's on, the +48V LED between Mic/Line/Inst Gain knobs 3 and 4
lights on the front panel. Dynamic microphones do not require phantom
power to operate, but are not harmed by it. Most condenser microphones
do require phantom power to operate. If you are unsure about the phantom
power requirements for your microphone, consult your microphone's docu-
mentation or contact the manufacturer. This switch should be OFF if you
are connecting any line-level source to the Mic In jacks.
10. heaDPhOne 1 anD heaDPhOne 2 JacKS
The Headphone outputs accommodate stereo headphones with a 1/4" stereo
plug. These outputs are the same as those sent to the Main Outputs, but
with their own independent level controls.
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