SABINE FBX-1020 Operating Manual
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OPERATING GUIDE© 1995-2000 Sabine,Inc.CONGRATULATIONS! You now have the state-of-the-art in feedback control. Your Sabine FBX-1020 Feedback Exterminator ® — a single channel,20-bit digital filtering device — gives you automatic real-time feedback control and increases the clarity and volume of your system.The FBX-1020 incorporates the latest in digital signal processing technology. It automatically senses feedback in a sound system and determinesits pitch. It then places one of 10 Constant Q micro-filters on the resonating frequency and eliminates the feedback in typically less than one second.Special features of the FBX-1020:• An improved algorithm that allows the FBX-1020 to better distinguish the difference between feedback and music• Improved 20-bit digital resolution, providing superior dynamic range and signal-to-noise ratio• 10 feedback filters, giving the unit more feedback elimination power for the toughest venues.• ClipGuard™ adaptive clip level control, with TURBO setup mode, increases the effective dynamic range by more than 10dBand makes setup faster and easier.• Standard FBX features such as lockable fixed filters and switchable 1/10- and 1/5-octave Constant Q filters are also includedand now have convenient front panel switches.QUICK-START OPERATION 1DECLARATION OF CONFORMITY 2ABOUT THE FBX-1020 3FREQUENCY RESPONSE 3WORLD'S BEST FEEDBACK CONTROLLER 3WHO NEEDS FBX? 3WHY THE FBX? 3DIRECT HIT ON FEEDBACK! 3ACTIVE/BYPASS SWITCH 4SIGNAL LEVEL 4RESET 4SET TOTAL NUMBER OF FILTERS 4SET FIXED 4A/C POWER INPUT 4AUDIO INPUTS & OUTPUTS 4FBX-1020 CONTROLS 4LOCK FIXED FILTERS 4FIFTH OCTAVE 4FILTER STAGE ACTIVITY 4POWER SWITCH 4FUSE 4APPLICATION DIAGRAMS 5FBX SETUP FOR MONITORS 5FBX SETUP FOR ENTIRE MIX 5FBX-1020 OPERATING INSTRUCTIONS 6WHERE THE FBX FITS IN YOUR SOUND SYSTEM 6A NOTE ABOUT GRAPHIC EQUALIZERS 6UNDERSTANDING FIXED & DYNAMIC FILTERS 6CLIPGUARD™ ADAPTIVE CLIP LEVEL CONTROL 6CLIPGUARDTM TURBO MODE GUIDE 6FBX SETUP FOR SINGLE INSERT POINT 7FBX SETUP FOR INSERT SEND & RETURN 7HOW TO OPERATE THE FBX-1020 7HOW TO USE THE FBX-1020 FEATURES 8USING THE LOCK FIXED FEATURE 8SELECTING FILTER WIDTH 8IMPORTANT OPERATING CONSIDERATIONS 8MEMORY 8BYPASS MODE 8RESETTING THE FILTERS 8TURBO MODE SETUP 8DEFEATING TURBO MODE 8MOBILE VS. STATIONARY MICROPHONES 8FREQUENTLY ASKED QUESTIONS 9INDEX 9FBX-1020 ENGINEERING SPECIFICATIONS 10CAUTIONS & WARNINGS 11LIMITED WARRANTY 12QUICK-START OPERATIONFor best results, read all operating instructions before using the FBX-1020. If you're already familiar with the FBX or justwant a basic overview of FBX operation, this simple quick-start procedure is for you. More detailed instructions are onpage 7 inside this operating guide.1. Place the FBX between the output of your mixer and the input of your power amp.2. With the master volume down, put the FBX-1020 in active mode (red BYPASS LED off), then slowly raise the mixer mastervolume to the point of feedback.3. Keep raising the master volume until all of your fixed filters and one dynamic filter are set, then lower the volume slightly.(Factory default is nine fixed and three dynamic filters.) The rest of the filters continually catch and update new feedbackfrequencies throughout the program. You're ready to go.READ THE ENTIRE OPERATING GUIDE FOR COMPLETE INSTRUCTIONS.V2 |
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