Control Panel and Connector PanelFigure 4a: Control Panel1 - Power Switch – Use this switch to turn the System on and off.2 - Power LED – This LED illuminates when the Power is ON.3 - Security Panel Attachment Points – The INCLUDED Security Panel isattached here using the INCLUDED screws and standoffs. Thispanel covers the trim controls to prevent unauthorized tampering .4 - Input CH Polarity Switch – This switch changes the polarity of the inputto the Subwoofer. Its function is clearly detailed in the TUNINGsection of the Manual. Adjust this switch for most Bass.5 - Crossover Switch – This switch changes the crossover point for theSubwoofer and Satellites. In the outward position, labeled“NORMAL,” the crossover is set at 160 Hz (for use withSMS1-SAT’s). This is the proper position for use with the system’sSMS1-SAT satellite speakers. The pushed-in position sets thecrossover at 80 Hz for applications in which you need theSubwoofer to simply augment the bass of a full-range system.6 - Subwoofer Trim Knob – This knob adjusts the amount of Subwoofer level in the acoustic mix. Turn theknob CLOCKWISE for more bass, COUNTER-CLOCKWISE for less Bass. LevelGuard maynot protect the sytem from damage when the subwoofer trim control is turned all the way up. Becareful not to set this too high.7 - AutoWarmth LED – This LED illuminates when the AutoWarmth circuitry is actively responding to themusic. AutoWarmth is covered in detail in the TUNING Section of the Manual.8 - AutoWarmth Trim Knob – This knob adjusts the amount of AutoWarmth in the Signal Path.AutoWarmth is covered in detail in the TUNING Section of the Manual.9 - Page Sensitivity Trim Knob – This knob adjusts the sensitivity of the Page Ducking circuitry to theincoming Page Signal. Turn CLOCKWISE for greater Sensitivity, turn COUNTER-CLOCKWISE for less sensitivity. Adjust this control so the mic makes the music go down involume during a page, but so that the page ducking does not falsely trigger when a page isn’toccuring.10 - Mic Volume Knob – This knob adjusts the output volume of the signal from the Paging Microphone.11 - Volume Knob – This knob adjusts the music volume but does NOT affect the mic paging volume.12 - LevelGuard LED – This LED illuminates when the LevelGuard Circuitry is actively responding to thesignal. LevelGuard lowers high volume signals. It’s acceptable for this LED to flash on for as muchas 50% of the time, as long as the sound from the speakers is not audibly distorted.5