4FBX-1020 CONTROLSA/C Power InputThe FBX-1020 is factory configured to operate at either 115 VACor 230 VAC. Using the wrong input voltage may cause perma-nent damage to the unit and will void the warranty.Audio Inputs & Outputs1/4" TRS and XLR balanced and unbalanced.Active/Bypass SwitchBypass mode takes the unit out of the signal path so that it willhave no effect on the program. In active mode, the unit controlsfeedback automatically. The red BYPASS LED lights when theunit is in bypass mode.Signal LevelThe LED ladder indicates the signal strength relative to theFBX's input clip level. The red CLIP LED indicates clipping; italso indicates the unit is in TURBO mode.ResetTo reset ALL filters, hold the reset button for 4 seconds until allfilter LEDs are off.Set Total Number of FiltersTo set the total number of filters, depress the button for 4seconds and then release. The LEDs will begin to light insequence. When the LED corresponding to the desirednumber of filters lights, press the button to register yourselection.Set FixedTo set fixed filters, hold down the button for 4 seconds and thenrelease. The LEDs will begin to light in sequence. When theLED corresponding to the desired number of fixed filters lights,press the button to register your selection. (Factory default isnine fixed and three dynamic filters.)Lock Fixed FiltersWhen the LOCK FIXED button is pressed, its LED will light toindicate that the FBX is in LOCK FIXED mode. LOCK FIXEDmode can be activated at any time after system setup and willstay on until the button is pressed again and the LED turns off.Engaging the LOCK FIXED button also takes the FBX-1020 outof ClipGuard's TURBO setup mode.Fifth OctavePress the button at any time to select wider filters for any newfilters to be set. It is possible to have both 1/5 and 1/10 octaveConstant Q filters active in one channel simultaneously.Filter Stage ActivityWhen one of the unitās 10 filters is activated, the correspondingLED lights. A blinking LED indicates the filter that was mostrecently activated.Power SwitchThe ON/OFF switch is a two-position push button switch. Thepower indicator LED will light when the FBX is operational.FBX-1020 Front PanelFBX-1020 Back PanelFuseThis equipment is fitted with an IEC power inlet incorporatinga built-in fuse holder. To change the fuse in this socket:1. Disconnect the power cord from the unit.2. Pull out the fuse holder and remove the old fuse.3. Install the new fuse into the holder. Replace only with5x20mm, 0.315A, 250V F (fast acting) fuse.4. Refit the fuse cover.