Sabine FBX-SOLO SL820 User Manual download pdf (Page 18)

TROUBLESHOOTING TIPS

Q. Can I patch the SOLO SL820 after the mixer and

before the power amp?

A. Yes, but only in cases where just eight feedback

filters are needed, such as on the monitors

alone. Eight FBX filters may not always provide

enough gain before feedback for your entire mix.

Q. Sometimes I don't get enough gain before feed-

back. Why?

A. Gain before feedback is determined by the num-

ber of fixed filters you set; increasing the number

of fixed filters during setup increases the system's

gain before feedback. Fixed filters are set

automatically during the initial setup and remain

on the initially detected feedback tone -- they do

not move. You can reconfigure the filters from

the factory default setting (six fixed and two

dynamic) to any combination of fixed and dy-

namic filters. Review the procedure on page 10,

UNDERSTANDING FIXED AND DYNAMIC FIL-

TERS of this operating guide.

Q. The Clip Level LEDs do not light. The unit will not

catch feedback. Why?

A. The unit is not in the signal path. Check the

connections.

Q. Why does one of the Filter Activity LEDs blink?

A. The last filter to be automatically updated blinks.

During normal operation, the blinking will move

from filter to filter as the SOLO finds new feed-

back points. This gives the user a visual confir-

mation that the unit is functioning properly.

RESETTING THE FILTERS: You must reset the

FBX if the microphones or speakers are moved

significantly.

To reset ALL filters: Press and hold the reset

button until the filter LEDs flash about 7 times, or

until all filter LEDs turn off.

To reset only the dynamic filters: Press and hold

the reset button for 3 flashes and let go. The LEDs

that indicate current dynamic filter placement will be

off, and the fixed filter LEDs will remain on.

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Sabine FBX-SOLO SL820 User Manual Page 18