Fender Acoustasonic 90 Mode D'emploi page 8

Features include:
• Strong, lightweight 5-ply hardwood construction
• Ultra-efficient power amp produces 90 Watts
• 8" cloth-surround low-frequency driver and high-frequency
tweeter
• Separate Instrument and Microphone channels with independent
EQ and effects controls
• Specially optimized effects include Reverb, Delay, Chorus,
Vibratone, and more
• Feedback Elimination with on/off switch on each channel
A. INSTRUMENT —
B. VOLUME — Adjusts the volume level of the Instrument channel.
C. AUTOMATIC FEEDBACK ELIMINATION (AFE) — A feedback
suppression algorithm that can be used to target and suppress
feedback frequencies automatically. AFE can be used in two
modes, basic and advanced.
Automatic Feedback Elimination (Basic Mode):
1. Press the AFE button and a "notch filter" will be activated
which will reduce feedback in the most common frequency
ranges. The LED will illuminate red while the AFE circuit is
active.
2. Press the AFE button again to disable basic mode.

Advanced AFE mode is more sophisticated and can be trained
to target and eliminate specific troublesome feedback
frequencies.
Automatic Feedback Elimination (Advanced Mode):
1. Start with the AFE circuit off.
2. Press and HOLD the AFE button for one second (until the AFE
LED turns green) to initiate the AFE training period.
3. The AFE training period lasts for 4 seconds. Allow your guitar
or microphone to feed back during this period. Typically, you
do not need to play your guitar (or sing) during the training
period, but if you can induce the frequency that is giving
you particular trouble, your results may be improved! Wear
hearing protection.
8 8
Plug your instrument in here.
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4. When the LED turns red, AFE training is complete. At this point
you can repeat steps 1-3 to retrain the feedback frequencies
for AFE advanced mode, if desired.
5. You can now turn the AFE advanced mode on-off by pressing
the AFE button. The amplifier will remember your trained
frequencies until you turn the amplifier off.
D. TREBLE / MIDDLE / BASS — Adjusts the tonal character of the
Instrument channel.
E. FX SELECT — Selects one of 16 eff ects for the Instrument channel
(see "Eff ects" section on next page).
F. FX LEVEL — Adjusts the level of eff ects for the Instrument channel.
G. MIC/INSTRUMENT —
instrument in here. Phantom power (+15VDC) is supplied to the
XLR (microphone) jack.
H. VOLUME — Adjusts the volume level of the Mic/Inst channel.
I. AUTOMATIC FEEDBACK ELIMINATION — Can be used to target
and suppress feedback automatically for the Mic/Inst channel.
(see step-by-step instructions under AUTOMATIC FEEDBACK
ELIMINATION {C}.
J. TREBLE / BASS — Adjusts the tonal character of the Mic/Inst
channel.
K. FX SELECT — Selects one of 16 eff ects for the Mic/Inst channel
(see "Eff ects" section on next page).
L. FX LEVEL — Adjusts the level of eff ects for the Mic/Inst channel.
M. POWER INDICATOR — Illuminates when power to the unit is
switched on.
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Since 1946
Plug your microphone, or