Front Panel - PRESONUS Revelator io44 Owner's Manual

6. Preset indicators. These lights indicate the preset selection of the currently-selected channel, includ-
ing none.
Note that there is no option for +48v on the Headset and Line In Channels, and no high-pass filter option
on the Line In channel. This is normal.

2.1.1 Front Panel

or off. This simple step will add years to life of your audio equipment.
Headset connection. This 1/8-inch TRRS Headset connection is both a mono input
for the headset microphone and a stereo output for your headphones.
2.1.1 Front Panel
Mic/Inst input. Channel 1 of your Revelator io44 interface is equipped with a
combo jack. This convenient connector accepts either a ¼-inch
TS connection for high-impedence instrument sources like guitars and
basses, or an XLR connector for professional microphones. The
XLR connection's XMAX-L solid-state microphone preamp is optimized for
bus power.
Please note: As with any audio input device, plugging in a microphone or an
instrument, or turning phantom power on or off, will create a momentary spike
in the audio output. Because of this, we highly recommend that you turn down
the channel trim before changing connections or turning phantom power on
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