Crown Audio Power-Tech 1.1 Front Panel Controls and Indicators, Level Controls, SPI/IOC Indicator

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Power-Tech .1 Series Power Amplifiers

4Operation

4.2Front Panel Controls and Indicators

The diagram below explains the controls and indicators on the front panel of the Power-Tech .1 Series.

A. Level Controls

Continuously variable level controls for each channel.

B. SPI/IOC Indicator

Dual-function indicator for each channel flashes green for signal presence (SPI) and yellow if any distortion exceeds 0.05% (IOC).

C. Enable Indicator

Enable indicator shows the on/off status of the low- voltage supply.

D. Power Switch

Power switch (and circuit breaker for the Power-Tech 1.1, Power-Tech 2.1 and 220/240 VAC Power-Tech 3.1).

E.Ventilation Grille Removable grille and dust filter.

Figure 3.8 Power-Tech .1 Series Front Panel Controls and Indicators

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Operation Manual

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Contents Some models may be exported under the name Amcron Power-Tech132800-2 Watch for These Symbols Important Safety InstructionsMagnetic Field Table of Contents Welcome How to Use This ManualFeatures Patented Odep  circuitryUnpack Your Amplifier SetupYou may also stack amps without using a cabi- net Ensure Proper CoolingChoose Input Wire Connectors Balanced InputChoose Output Wire and Con- nectors Output Connector WiringOutputs Maintain proper polarity +/- on output connectors Wire Your SystemStereo Mode Bridge-Mono ModeOperation Startup ProcedurePrecautions Set Input SensitivityEnable Indicator Front Panel Controls and IndicatorsSPI/IOC Indicator Power SwitchPower Cord Stereo/mono SwitchReset Switch 4-inch Input ConnectorsThis page intentionally left blank Ultrasonic and Radio Fre- quency Protection Protection SystemsOdep Drive ProtectionAdvanced Features Options Option MT-BBTroubleshooting Condition No power to the amplifier120 VAC, 60 Hz Units, Bridge mono mode Specifications120 VAC, 60 Hz Units, Parallel mono mode Shipping Weight Dimensions WidthWeight 120VAC, 60 Hz units Net Weight Weight International units Net WeightService Warranty Items Excluded from this CROWN- Warranty Worldwide Except USA & CanadaCrown Factory Service Information Nature of ProblemPower-Tech .1 Series Power Amplifiers Power-Tech .1 Series Power Amplifiers