Crown Audio XLS Series Front Panel Controls Indicators Cooling Vents, Level Controls

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XLS Series Power Amplifiers

3 Operation

3.2 Front Panel Controls

and Indicators

A. Cooling Vents

Front-to-rear forced airflow.

B. Level Controls

Two black rotary level controls, one for each channel.

C. Clip Indicators

Two red LEDs, one for each channel, illu- minate when the channel’s output signal is being overdriven.

D. Power Indicator

Green LED indicates amplifier has been turned on and AC power is available.

E. Fault Indicator

Yellow LED illuminates when amplifier is in protect mode. Also illuminates briefly during normal power-up when amplifier is first switched on.

F. Power Switch

Amplifier is on when the switch is in the UP position.

Figure 4.1 Front Panel Controls and Indicators

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Operation Manual

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Contents XLS Some models may be exported under the name AmcronFCC Compliance Notice Safety Standard Declaration of ConformityCrown International, Inc European Representative’s Name and AddressTable of Contents Features How to Use This ManualWelcome Setup Install Your AmplifierUnpack Your Amplifier Ensure Proper CoolingChoose Input Wire and Connectors Choose Output Wire and ConnectorsDistance Wire Your System Stereo Mode Bridge-Mono Mode 11 Bridge-Mono Wiring of 5-Way Binding PostsStartup Procedure Connect to AC MainsProtecting Your Speakers Precautions OperationFront Panel Controls Indicators Cooling Vents Clip IndicatorsPower Indicator Fault IndicatorPower Connector Circuit Breaker Pole Speakon Output ConnectorsBalanced XLR Inputs FansAdvanced Features and Options Protection SystemsOutput Current Limiting DC ProtectionTroubleshooting Condition No power to the amplifierSpecifications Minimum Guaranteed Power XLSConstruction XLS AC Power Draw and Thermal Dissipation Following equation is used to calculate thermal dissipationXLS Btu/hr Service Warranty United States & CanadaWorldwide Except USA & Canada This page Intentionally Left Blank Crown Factory Service Information Nature of ProblemThis page Intentionally Left Blank XLS Series Power Amplifiers