M-Audio Profire 610 User Manual Page 6

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User Guide 5ProFire 610
Controls and Connectors
Front Panel Descriptions
2008
1. Mic / Inst Input Combo Jack (Mic / Inst) - Balanced mic-level and unbalanced instrument-level combo inputs.
Thesecomboconnectorswillacceptastandardthree-pinXLRplugora1/4”TSconnectorandwillappearasthe
first pair of inputs (e.g. inputs 1/2) in your audio application. Input levels are controlled by the corresponding Gain
knobs.
2. Signal/Clip Indicators (Clip) - The green LED indicates the presence of a signal at the corresponding analog
input while the red LED indicates “clipping” or distortion at the input. Use these LED meters to set levels for the first
two analog inputs.
3. Gain Knob (Gain) - The preamp level for the front panel inputs is adjusted with this knob. It also has a push/pull
function which engages a 20dB pad when set to the “out” (pulled) position.
4. Headphone Volume Knobs (Level) - Each of these two knobs controls the volume level of the associated
headphone output jack.
5. Headphone Outputs ( ) - These two 1/4” (TRS)
headphone output jacks operate independently from each other. The first
headphone jack outputs the same audio signal as rear-panel outputs 1/2
while the second headphone jack outputs the same audio signal as
rear-panel outputs 3/4.
6. Phantom Power Button and LED (48V) - This button applies +48V
phantompowertotheXLRinputsonthefrontoftheinterface.TheLED
nexttothebuttonilluminateswhenphantompowerisbeingsenttotheXLR
inputs.
7. Power LED Indicator - The blue Power LED glows steadily when the
device is receiving power via the FireWire bus or the external power supply.
The LED will blink off and on if the unit is set to external sync and not
receiving a valid clock signal.
8. Power Button ( ) - This button switches the interface on and off.
5
About Phantom Power:
Be mindful when engaging
phantom power since not all
microphones require phantom
power to operate. For example,
most dynamic microphones do
not require any phantom power
whereas condenser microphones
usually do. Some vintage ribbon
microphones may be damaged
if phantom power is applied
to them. Always consult your
microphone’s manual before
applying phantom power.
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