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13 SETUP MENU
THE I/O MENU
Reminder: You do not need to store settings in the SETUP menu. EXIT twice when nished.
I/O: AUDIO PAGE
PARAMETER Description
SPDIF Out Source
Output 1, Output 2, Input 2
This allows you to specify which signal should be transmitted at the SPDIF
digital output.
USB 3,4 Record Source
Input 1, Input 2
This determines whether USB 3+4 in a connected computer will record the
signal from FM3 Input 1 or Input 2.
USB 3,4 Playback Destination
Input 1, Output 2
This determines how the FM3 routes playback from USB 3+4 of a connected
computer. The default option of INPUT 1 is designed for re-amping. The
Output 2 option is provided so you can have backing tracks from the computer
appear at a different set of outputs from your main guitar signal.
Input 1 Source
ANALOG
USB [CHANNELS 3/4]
This selects which signal source should be routed to the Input 1 block on the
grid. “ANALOG” selects the Input 1 Instrument jack. When “USB (CHANNELS
3/4)” is selected, the FM3 will process signals sent from FM3 Outputs 3 and 4
of a connected computer so you can process computer audio on the FM3 (as
when re-amping).
Input 1 Pad
0, 6 dB, 12 dB, 18 dB
This pads the signal from IN 1 [INSTRUMENT] jack before it reaches the
A/D converter to prevent clipping. The pad is offset by a corresponding but
opposite boost at the output of the converter, so “what you hear” remains the
same at all settings.
Run this at the lowest possible setting for your guitar, starting at 0 dB and
increasing padding if required to eliminate Input 1 clipping as indicated on the
front panel LEDs.
Input 2 Mode
STEREO
LEFT ONLY
RIGHT ONLY
SUM L+R
USB (Channel 4) +R
This setting determines globally how the FM3 handles signals received at
the input 2 jacks, determining whether they should be processed in stereo or
mono—and, if mono, how. The outputs of a connected device and the nature of
the source material will determine which setting is best.
It is important that you choose the setting which corresponds to your actual
physical connections. Setting an input to “STEREO” and then not connecting
one of the two jacks will result in reduced levels!
Input 2 Pad
0, 10 dB, 18 dB
This pads the signal at INPUT 2 jacks before it reaches the A/D converter to
prevent clipping. Run this at the lowest possible value for your setup, starting
at 0 dB and increasing padding if required to eliminate Input 2 clipping as
indicated on the front panel LEDs.
Output 1 Mode
Output 2 Mode
STEREO,
SUM L+R
COPY L>R
These determine how output signals are processed. This control makes it
easy to use the same presets in a variety of stereo and mono performance or
recording environments.
See "Mono vs. Stereo" on p. 6 for more information.
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