JBL MS-A1004 User Manual

Also see for MS-A1004: User guide User guide

Contents

9www.jbl.comEnglishMs-A1004 User CONTrOLsMs-A1004 seTTiNGs GUideiNiTiAL seTUPActivating the ControlsPress both CCW and CW buttons at the same time for less than three secondsand release, to activate the controls. The adjustment selector indicatorwill light. Use the CCW and CW buttons to move the indicator to theparameter you wish to adjust. After you’ve made your adjustments andthe controls have been inactive for more than 30 seconds, the selection-indicator light will go out and the controls will become deactivated toprevent unintentional adjustment of the amplifier’s controls.setting the input MixerOnce the controls are active, press the CW or CCW button until the input mixer isselected for channels 1 and 2 (in the upper display) . Turn the rotary control to selectthe input connector(s) that will feed output channels 1 and 2. Press the CCW buttononce to move the selection indicator to the input mixer for channels 3 and 4 (in thelower display). Turn the rotary controller to select the input connector(s) that will feedoutput channels 3 and 4.See “System Diagrams” for practical examples.setting the input Level, and enabling or disabling signal-sensing Turn-OnBeFOre YOU BeGiNIf the factory system to which you have connected your MS Series amplifier shows a “speakerdisconnected” error message or fails to provide an output signal, move the Input Signal Selec-tor to the Hi2 position. It may be necessary to turn the factory-installed head unit or the vehicleitself off and then back on, to reset the error message.NOTE: The Hi2 setting should not be used with the RCA outputsof aftermarket head units!Counterclockwise(CCW) ButtonMove selectable optioncounterclockwise(CCW) one value.Move selectableoption clockwise(CW) one value.rotary encoderRotates clockwise (CW) and counterclockwise (CCW). Eachdetent represents a value increase (CW) or decrease (CCW).Mode Access ControlPressing both the left and right buttonssimultaneously for specified time periodsaccesses various modes of the amplifier.