M-Audio Profire 610 manual Controls and Connectors, Front Panel Descriptions

ProFire 610	User Guide	5
5 Controls and Connectors
Front Panel Descriptions
     	       

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	About Phantom Power:
	headphone jack outputs the same audio signal as rear-panel outputs 1/2	Be mindful when engaging
	while the second headphone jack outputs the same audio signal as	phantom power since not all
	rear-panel outputs 3/4.	microphones require phantom
		power to operate. For example,
6.	Phantom Power Button and LED (48V) - This button applies +48V
		most dynamic microphones do
	phantom power to the XLR inputs on the front of the interface. The LED	not require any phantom power
	next to the button illuminates when phantom power is being sent to the XLR	whereas condenser microphones
	inputs.	usually do. Some vintage ribbon
		microphones may be damaged
7.	Power LED Indicator - The blue Power LED glows steadily when the	if phantom power is applied
	device is receiving power via the FireWire bus or the external power supply.	to them. Always consult your
	The LED will blink off and on if the unit is set to external sync and not	microphone’s manual before
	receiving a valid clock signal.	applying phantom power.

8.Power Button ( ) - This button switches the interface on and off.