Fostex FM-3 owner manual Left side panel section

Left side panel section

1.[INPUT] connector (1 through 3)

Each connector is used to connect an external audio device or microphone.

Connector: XLR-3-31 type

1	GND
2	HOT
3	COLD

2.	[AUX IN] connector
	Used to connect a mixer or audio device.
	Not only you can monitor the input signal of this
	connector, you can send the signal to the stereo buss
	to mix with the main input signals (selectable with the
	[TO ST BUSS] switch).
	Connector: XLR-5-51 type
		1	GND
		2	Lch HOT
		3	Lch COLD
		4	Rch HOT
		5	Rch COLD

3. [TO ST BUSS] switch (ON / OFF)

This switch selects whether or not the input signal from the [AUX IN] connector is sent to the stereo buss.

To send the [AUX IN] signal to the stereo buss, set the switch to ON. When the switch is set to OFF, the [AUX IN] signal is not sent to the stereo buss. Regardless of the switch setting, you can monitor the [AUX IN] signal via headphones.

4.	Input select switches (LINE / MIC)
	Each switch should be set appropriately according to
	the input signal source.
		LINE	You should set the switch to LINE when a line-level
			source is connected to the input connector. When it
			is set to LINE, the microphone power supply is auto-
			matically turned off regardless of its setting.
			You should set the switch to MIC when a microphone
		MIC	is connected to the input connector. You can supply
			the microphone power when connecting a condenser
			microphone (see “Microphone power supply switch”
			below).

5.Microphone power supply switches (T12 / DM /P48) Each switch sets whether or not supplying the microphone power.

	T12 or AB power supply mode. A 12 V power is sup-
	plied to the hot terminal of the [INPUT] connector.
T12	<Memo>: If you do not need T12 power supply,
	you can disable the power supply via the input
	status display (see page 16 for details).
DM	No microphone power is supplied. When you con-
	nect a dynamic microphone, set the switch to DM.
P48	48-volt phantom power supply mode.
	A 48 V power is supplied to the hot and cold terminals
	of the [INPUT] connector.

6.[DC IN 10-24V] connector

Used to connect the supplied AC adaptor (or an external battery).

Connector: XLR-4-32 type (male)

1	GND
2	NC
3	NC
4	DC 10-24V

7.[DC OUT 7.2-24V] connector

This connector outputs power at DC 7.2 ~ 24 V / 0.5 A for a wireless receiver, etc.

It outputs power when the unit is powered on. Connector: Hirose 4-pin HR10A-7R-4S (female)

1	GND
2	NC
3	NC
4	DC7.2 to 24V

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