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6 EUROLIVE F1220A User Manual
(4)
Fig. 2.2: Equalizer
(4) The F1220A features a 3-band sound control. Each band provides a maximum
boost/cut of 15dB. At center position the equalizer has a at response.
The upper (EQ HIGH) and the lower band (EQ LOW) are shelving lters that
boost and cut all frequencies above and below the crossover frequency.
Thecrossover frequencies of the upper and lower bands are at 12kHz
and 80Hz, respectively. The mid band (EQ MID) is a peak lter the center
frequency of which is at 2.5kHz.
(5)
(6)
Fig. 2.3: Feedback lter (notch lter)
Feedback may occur at high volume levels or under dicult stage situations.
Usethe FEEDBACK FILTER function ((5), (6)) to reduce feedback. To learn more
about the feedback lter, read section3.4 “Notch lter.”
(5) This switch turns on the feedback lter.
(6) This control adjusts the center frequency of the feedback lter.
(7)
(8)
Fig. 2.4: LINK OUTPUT
(7) + (8) The LINK OUTPUT is directly connected to the inputs of the
F1220Aand carries the input signal with no processing applied. In this way,
you can route the signal to the input of another device (for example,
a second F1220A).
(9)
(10)
Fig. 2.5: MIC/LINE INPUT
(9) Use this ¼" stereo jack to connect a signal source that has ¼" output.
(10) Use this XLR connector to connect a signal source that has XLR output.
◊ Always use either the XLR or the 1/4" jack input, and use the LEVEL
control to adapt the input sensitivity. Never use both inputs at the
same time!
2.2 Side panel
(11)
(12)
(13)
(14)
Fig. 2.6: Side panel F1220A
(11) Press POWER to turn on your F1220A.
◊ The POWER switch does not fully disconnect the unit from the mains.
To disconnect the unit from the mains, pull out the main cable plug
or appliance coupler. When installing the product, ensure the plug
or appliance coupler is readily operable. Unplug the power cord
completely when the unit is not used for prolonged periods of time.
(12) You can replace fuses at the FUSE SWITCH of the F1220A. Always replace
fuses with the same type. Please follow the instructions given in the
chapter “Specications.”
(13) The mains connection is established using a cable with an IEC mains
connector. This cable is delivered with the F1220A. To avoid ground-loop
hum, loudspeakers and mixing consoles should be connected to the same
power circuit.
(14) Serial number.