Extron electronic PA 300 user manual Adjusting the peaking

Page 19

Adjusting the peaking

To adjust the Peaking potentiometers, do the following:

1.Using MS Paint and a spreadsheet, create a testing image on your PC desktop that includes squares, lines, text, and gradations of color. Use the illustration below as a guide.

2.Adjust the LF (low frequency) potentiometer until the image is free of streaking. When the LF is over adjusted, the streaking is the same color as the image, as shown below.

PA 300 Peaking Amplifier • Adjusting the Display

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Contents Peaking Amplifier User’s ManualSafety Instructions English PrecautionsFCC Class a Notice Page Table of Contents Table of Contents, cont’d One About the PA FeaturesIntroduction About this ManualTwo Installation Overview Installation and OperationMounting the PA Rack mounting Tabletop useUnder-desk mounting Installation and Operation, cont’dRemove two screws from one side of the unit. Retain Through-desk mounting the PA Through-desk mountingRear Panel Features Front Panel Features VGA Installation and Operation, cont’d CablingThree Adjusting gain with an oscilloscope Adjusting the DisplaySignal Compatibility Potentiometer AdjustmentsTo adjust the Peaking potentiometers, do the following Adjusting the peakingAdjusting the Display, cont’d AAppendix a Video input Specifications, Part Numbers, and AccessoriesSpecifications VideoGeneral SyncSpecifications, Part Numbers, Accessories, cont’d Cables Optional accessoriesParts Included partsSpecifications, Part Numbers, Accessories, cont’d USA, Canada, South America Central America Extron’s WarrantyExtron Electronics. All rights reserved
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