Crown Audio Xs Series Front Panel Controls and Indicators Cooling Vents, Gain Controls

Page 12

Xs Series Power Amplifiers

3 Operation

3.2 Front Panel Controls and Indicators

A. Cooling Vents

Front-to-rear forced airflow.

B. Gain Controls

Two or four grey rotary level controls, one for each chan- nel.

C. Bridge Indicator

Yellow LED indicates that amplifier is in Bridge-Mono mode.

D. Power Indicator

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

E. AC Mains Indicator

Red LED indicates that AC power is present at the power cord, even if the amplifier is not turned on.

F. Fault Indicator

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

G. Signal Indicators

Two green LEDs, one for each channel, illuminates when the channel’s input signal level is above –40 dBu.

H. Clip Indicators

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

I. Temp Indicator

Red LED, one for each channel, indicates that chan- nel(s) are in thermal protect mode.

J. Power Switch

Amplifier is on when the switch is depressed in the right-hand position. When the power switch is off and the unit is plugged into AC power, the amplifier is in standby mode; the AC mains are still connected to the unit.

A

B

C

D E

F

G H I J

Figure 3.1 Front Panel Controls and Connectors

page 12

Operation Manual

Page 11 Page 13
Image 12
Page 11 Page 13
Contents Xs500 Xs700 Xs900 Xs1200 Some models may be exported under the name Amcron136268-6A Important Safety Instructions Use only with a cart, stand, tripod, bracket, orSafety Standard Crown International, IncEuropean Representatives Name and Address Family Name XsTable of Contents Features How to Use This ManualWelcome Microprocessor-controlled protection sys- temSetup Install Your AmplifierUnpack Your Amplifier Ensure Proper CoolingChoose Input Wire and Connectors Choose Output Wire and ConnectorsDistance Wire Your System Stereo Mode Typical input and output wiring is shownConnection to Speakon connectors How to Parallel the InputsBridge-Mono Mode Channel 1 Level control is functionalStartup Procedure Connect to AC MainsProtecting Your Speakers Precautions OperationFront Panel Controls and Indicators Cooling Vents Bridge IndicatorPower Indicator AC Mains IndicatorNormal/Bridge Switch XLR-1/4 Combo Input ConnectorsWay Binding Post Output Connectors IEC Power Inlet Phoenix-Style Input ConnectorsProtection Systems Output Current LimitingDC Protection 120V 220V 240VTroubleshooting This is normal operation for your ampSpecifications KHz with 0.15% THDVoltage Gain at maximum level setting Net Weight, Shipping WeightAt 20 kHz DC Output Offset Shorted inputAC Power Draw and Thermal Dissipation AC Power Draw and Thermal Dissipation AC Power Draw and Thermal Dissipation Service Warranty 12/01Worldwide Except USA & Canada This page Intentionally Left Blank Crown Audio Factory Service Information Xs Series Power Amplifiers Xs Series Power Amplifiers
Top Page Image Contents