User Manual - Audio Authority
Contents
1. User Manual Model 1184 Signal Hum Eliminator Y Pb Pr L R G B R H V INPUT Poss Aud ioGDauthority Model 1184 Component Video or RGB HDTV Signal Hum Eliminator www audioauthority com 800 322 8346 OUTPUT G B R H V AudioC DAuthority Model 1184 Signal Hum Eliminator Table Of Contents 1 0 Introduction lt 2 c c2cs5 sd 54 2 dee edi ote Rm 2 0 Checking Package Contents 3 3 0 Installation se ae ata RR ae b cae Wee exce 4 0 Troubleshooting l l slsrn 4 5 0 Specifications 5 6 0 Limited Warranty 6 7 0 Regulatory Compliance 7 8 0 Contact Information 7 WARNINGS Read these instructions before installing or using this product To reduce the risk of fire or electric shock do not expose this unit to rain or mois ture install only in dry indoor locations This product must be installed by qualified personnel Do not open the cover there are no user serviceable parts inside Do not expose this unit to excessive heat Clean the unit only with a dry or slightly dampened soft cloth LIABILITY STATEMENT Every effort has been made to ensure that this product is free of defects Audio Authority cannot be held liable for the use of this hardware or any direct or indirect consequential damages arising from its use It is the responsibility of the user of the hardware to check that it is suitable for his her2. ays and or their source hum bars will appear on one or more of the displays A Model 1184 can be added at the input of the offending display s to break the ground current path and eliminate the hum bars without sacrificing bandwidth or image quality 2 0 CHECKING PACKAGE CONTENTS Please check the packaging and make certain the following items are contained in the shipping carton 1184 Hum Eliminator 12V DC power adapter User manual Note Please keep the original packing material in case the unit ever needs to be returned If you find any items are missing contact Audio Authority immediately Have the serial number and invoice available for reference when you call 3 0 INSTALLATION Connect the output of a Model 1184 to the input of the television monitor or other downstream device using short patch cords and connect its input to the source of video and or audio or sync Connect the included 12 volt DC power supply to the Model 1184 and plug it into a wall outlet Pr INPUT Power Jack Power LED Power AudioGP Authority Model 1184 Component Video or RGB FE HDTV Signal Hum Eliminator cc www audioauthority com 800 322 8346 OUTPUT Y Pb Pr Left and Right Component Video Audio e 0 TROUBLESHOOTING Check the power light and check the AC outlet to which the power adapter is connected If the 1184 does not eliminate a ground loop you should have an electrician check your electrical grid and make repairs i
3. f necessary n extreme cases only wideband transformers not sold by Audio Authority may eliminate a severe ground loop If a problem still persists after trying these suggestions contact the Audio Authority Technical Service department via e mail support audioauthority com or call 800 322 8346 or 859 233 4599 5 0 SPECIFICATIONS Subject to change without notice Video Parameters Signal Type Y Pb Pr Component Video Formats Input Ground Isolation Input Coupling S N Ratio 65dB Audio HV Sync Parameters Analog Digital Audio Digital Input Output Type Min Load Impedance Multi channel Digital DC Input Connector DC Input Voltage Polarity Max DC Input Current 6 0 LIMITED WARRANTY Should any consumer product from Audio Authority fail due to defects in materials or workmanship within one year from the date of the original sale to the end user Audio Authority guarantees that we will replace the defective product at no cost Freight charges for the replacement unit will be paid by Audio Authority ground service only A copy of the invoice showing the item number and date of purchase proof of purchase must be submitted with the defective unit to constitute a valid in warranty claim Units that fail after the warranty period has expired may be returned to the factory for repair at a nominal charge if not damaged beyond the point of repair All freight charges for out of warranty returns for repair are the res
4. ponsibility of the customer Units returned for repair must have a Return Authorization Number assigned by the factory This is a limited warranty and is not applicable for products which in our opinion have been damaged altered abused misused or improperly installed Audio Authority makes no other warranties either expressed or implied including limitation warranties as to merchantability or fitness for a particular purpose Additionally there are no allowances or credits available for service work or installation performed in the field by the end user 6 1 WARRANTY SERVICE PROCEDURES If you suspect a product defect contact Audio Authority s Technical Service Department at 800 322 8346 or 859 233 4599 for assistance in verifying the problem If a defect or potential defect is suspected a replacement unit will be shipped immediately on a defect exchange basis and a Return Authorization number will be issued for the return of the defective product Replacement units are sent out at the Manufacturer s Suggested Retail Price which is debited to the customer s credit card at the time of shipment Once we receive the defective unit back at the factory it will be evaluated under the conditions of this warranty and if found to be in warranty a full credit will be issued to the customer s credit card Return freight charges for the defective unit are the customer s responsibility Please contact our Technical Service Department for complete de
5. re a ground loop may develop leading to 60Hz current flowing in the input cable which causes hum bars Model 1184 uses active circuitry to isolate the input and output grounds In addition Model 1184 strips DC off sources of component video Passive devices known as hum buckers or video transformers can be effective in eliminating the effect of the difference in ground potential The advantage of the 1184 is that its bandwidth is not limited by inductance as is the case with the chokes used in hum buckers or transformers Furthermore as passive devices humbuckers and transformers are inherently lossy their gain is a little less than one compared to the 1184 which has a gain of exactly one 1 2 FEATURES Eliminates video and or audio hum caused by ground loops Strips DC from source video output Input and output have 75 ohm termination Physical Dimensions 3 45 x 5 5 x 1 32 HxWxD inches 1 2 APPLICATIONS Model 1184 is designed to overcome hum bars on a Component or RGB display at the end of a long run of coaxial cable In these cases breaking the ground loop is best accomplished at the video input of an offending TV projector or video display This situation could occur in a residence but is more likely to occur in larger venues such as clubs and churches For example if four component video displays are fed by a component video distribution amplifier and ground current happens to circulate between any of the displ
6. requirements and that it is installed correctly All rights are reserved No parts of this manual may be reproduced or transmitted by any form or means electronic or mechanical including photocopying recording or by any information storage or retrieval system without the written consent of the publisher Audio Authority reserves the right to revise any of its hardware and software following its policy to modify and or improve its products where necessary or desirable Audio Authority and the Double A Symbol are registered trademarks of Audio Authority Corp Copyright June 2007 All third party trademarks and copyrights are recognized 1 0 INTRODUCTION Thank you for purchasing this Model 1184 Signal Hum Eliminator from Audio Authority Video hum bars appear as one or more horizontal distortions rolling slowly across the video image The 1184 is designed to solve the problem of rolling video hum bars caused by AC line related noise due to ground loops in coaxial cabling It can be installed at the input of any device such as a television display exhibiting signs of a ground loop The 1184 also eliminates hum from low level stereo audio signals Audio Authority also offers an extensive line of audio and video switchers converters and distribution amps available for purchase online at www audioauthority com 1 1 HOW IT WORKS Television displays and projectors usually have a hard connection between their inputs and chassis Therefo
7. tails concerning all in and out of warranty service matters We appreciate your confidence in our products and services and will always strive to meet or exceed your needs 7 0 REGULATORY COMPLIANCE The Model 1184 has been tested for compliance with appropriate FCC and CE rules and regulations The Power Adapter Supply included with this unit has been tested for compliance with UL CE and CSA rules and regulations and is ROHS compliant 8 0 CONTACT INFORMATION If you have questions or require assistance with this product in areas not covered by this manual please contact Audio Authority using the information below Audio Authority Technical Service 800 322 8346 M F 8 30 AM to 5 00 PM EST International 859 233 4599 Fax 859 233 4510 Send e mail to support audioauthority com Audio Authority Corporation 2048 Mercer Road Lexington Kentucky 40511 1071 USA AudioGpAuthority 2048 Mercer Road Lexington Kentucky 40511 1071 Phone 859 233 4599 e Fax 859 233 4510 Customer Toll Free USA amp Canada 800 322 8346 Website http www audioauthority com 752 544 7A2
Download Pdf Manuals
Related Search