CellAlert - ETS
Contents
1. Dear Colleague and Dear Powered Wheelchair Scooter or Accessory Component Manufacturer September 20 1994 Jeffrey Silberberg What Can Should We Learn from Reports of Medical Device Electromagnetic Interference Compliance Engineering vol XIII No 4 May June 1996 pp 41 57 Tom Knudson William Bulkeley Stray Signals Clutter on Airwaves can Block Workings of Medical Electronics Wall Street Journal June 15 1994 Britton Berek Trouble in the Air Electromagnetic Interference can Wreak Havoc with Medical Devices Health Facilities Management November 1994 D L Hayes M D P J Wang M D D W Reynolds 14 Page CellAlert Manual M D N A M Estes Ill M D Interference with Cardiac Pacemakers by Cellular Telephones New England Journal of Medicine Volume 336 Number 21 May 22 1997 10 Ruggera P S and R Elder Electromagnetic Radiation Interference with Cardiac Pacemakers DHEW publication BRH DEP 71 5 April 1971 11 Barbaro V Bartolini P Donato A Militello C GSM Cellular Phone Interference with Implantable Pacemakers in vitro and in vivo observations Presented at the Bioelectromagnetics Society 16 Annual Meeting Copenhagen Denmark June 12 17 1994 12 Ruggera PS Witters DM Bassen HI n Vitro testing of pacemakers for RF interference at fixed distances from U S type Digital Cellular Phones Presented at the Annual Electromagnetic Compatibility Foru2. Rotating the Volume Adjust potentiometer wiper knob 4 Page CellAlert Manual counterclockwise will decrease the volume of the Audio Message Sensitivity Adjust Rotating the Sensitivity Adjust knob clockwise will increase the sensitivity of the unit to Mobile Radio Telephone transmissions Rotating the Sensitivity Adjust knob counterclockwise will decrease the sensitivity of the unit to Mobile Radio Telephone transmissions This can be used to effectively increase or decrease the area at which the CellAlert will indicate detection of a Mobile Radio Telephone COM PORT Used for calibration of the unit Test Button Pressing the test button will cause the unit to simulate the detection of a Mobile Radio Telephone Power Main AC power input module 100 240 Vac 0 50 Amp Max 50 60Hz Fuses 250 Volt 0 25 Amp Type T b mm x 20 mm Environmental Operating Temp 10 to 40 C Humidity 596 to 9596 relative humidity non condensing Power Cable CellAlert Manual Page 5 This unit is shipped with a three wire power cable When this cable is connected to an appropriate AC power source this cable connects the chassis to earth ground The type of power cable shipped with each CellAlert depends on the country of destination 6 Page CellAlert Manual Power Cable Set Information Holaday 2217500 2217506C Unicable and information Unicable 5850 02M BB Type SVT Foil shielded PVC Ja
3. is opened If the CellAlert fails to operate check that the power source is live AC outlet Next check for a blown fuse inside the power entry module refer to the figure below CAUTION NEVER attempt to check the fuse with the CellAlert plugged in WORKING FUSE SPARE FUSE If a fuse is blown it must be replaced Be sure to use only 250 V 50 A Type T fuses b mm x 20 mm If the CellAlert still fails to operate or if you have any 12 Page CellAlert Manual questions concerning charging your products contact Holaday Customer Service Holaday Industries Inc 14825 Martin Drive Eden Prairie MN 55344 phone 952 934 4920 fax 952 934 3604 e mail sales holadayinc com CellAlert Manual Page 13 5 0 Selected References Regarding Electro magnetic Interference with Medical Devices BIBLIOGRAPHY 3 Clifford K J K H Joyner D B Stroud M Wood B Ward C H Fernandez Mobile Telephones Interfere with Medical Electrical Equipment Australian Physical Engineering Sciences in Medicine Vol 17 No 1 1994 pages 23 27 Jeffrey Silberberg Performance Degradation of Electronic Medical Devices due to Electromagnetic Interference Compliance Engineering vol X No 5 Fall 1993 pp 25 39 Radio Waves May Interfere With Control of Powered Wheelchairs and Motorized Scooters with cover letters
4. CT HOLADAY INDUSTRIES INC GIVING FULL DETAILS OF THE FAILURE OF THE INSTRUMENT YOU WILL THEN BE GIVEN SERVICE INFORMATION OR SHIPPING INSTRUCTIONS RETURN THE INSTRUMENT TO THE FACTORY TRANSPORTATION PREPAID REPAIRS WILL BE MADE AT THE FACTORY AND THE INSTRUMENT RETURNED TO YOU TRANSPORTATION PAID HOLADAY INDUSTRIES INC ASSUMES NO RESPONSIBILITY FOR LOSS OF OR DAMAGE TO PRODUCTS IN TRANSIT 1 0 2 0 3 0 4 0 5 0 TABLE OF CONTENTS Description use e bc dee ok koe a 1 Specifications 3 Operating Instructions 7 Basics of Cellular Telephone Operation and Signal Detection lll 7 Electromagnetic Signals 8 Monitoring Cellphone Use around Selected Devices 9 Monitoring Cellphone Use within an Area 9 Maintenance llle 11 Bibliography rs 13 Selected References Regarding Electromagnetic Interference with Medical Devices 13 CellAlert Manual Page 1 1 0 Description The CellAlert Cellular Telephone Detector helps you manage sensitive environments with respect to electromagnetic interference caused by operating cellular telephones The CellAlert functions by providing audible and visual alerts when a Mobile Radio Telephone or an operating cellphone is transmitting within a localized area The limits of the detection area can be made larger or smaller by adjusting the sensitivity settin
5. CellAlert User s Manual Declaration of Conformity We HOLADAY INDUSTRIES INC 14825 MARTIN DRIVE EDEN PRAIRIE MN 55344 USA declare in our own responsibility that the HOLADAY product described in this instruction manual is in compliance with EN EMC Directive 89 336 EEC EN50082 1 EN55011 EN61010 1 President HOLADAY INDUSTRIES INC Copyright 1997 Holaday Industries Inc Manual 600074 06 97 12 50 Revision Record Manual 600074 CellAlert Cell Phone Detector Revision Description Date Pre Release N A Warning Warning Warning General safety considerations This symbol alerts the user that important literature concerning the operation and maintenance of this unit has been included Therefore it should be read carefully in order to avoid any problems This is a Safety Class product provided with a protective earthing ground incorporated in the power cord The mains plus shall only be inserted in a socket outlet provided with a protective earth contact Any interruption of the protective conductor inside or outside the instrument is likely to make the instrument dangerous Intentional interruption is prohibited DO NOT defeat the earth grounding protection by using an extension cable power cable or autotransformer without a protective ground conductor This instrument is to be used with a three wire power cord set which meets or exceeds the requirements of EN61010 The powe
6. cketed 60 C Molded PVC Grounding Plug NEMA 5 15P UC 004 Molded PVC Receptacle IEC320 C13 UC 005 18 Ga 3 Cond 10A 125V Unicable 5892 02M BB Type SVT Foil shielded PVC Jacketed 60 C Molded PVC Grounding Plug NEMA 5 15P UC 004 Molded PVC Right Angle Receptacle IEC320 C13 UC 006 18 Ga 3 Cond 10A 125V Countries Canada Japan Puerto Rico Taiwan Venezuela Hong Kong United States 221100 Unicable 8150 25M BB Type HO5VV F PVC Jacketed 70 C Molded PVC Right Angle Grounding Plug CEE 7 7 UC 814 Molded PVC Receptacle IEC320 C13 UC 051 1 0mm 3 Cond 10A 250V Countries Argentina Austria Brazil Finland France Germany Isreal Italy Holland Korea Netherland Norway Sweden Turkey 222600 Countries England Ireland Malaysia Scotland Singapore South Africa Wales 221600 Countries Australia China 221500 Countries Switzerland Unicable 8550 25M BB Type HO5VV F PVC Jacketed 70 C Harmonized Molded PVC Grounding Plug BS 1363 Fused UC 851 Molded PVC Receptacle IEC320 C13 UC 852 1 0mm 3 Cond 10A 250V Unicable 8250 25M BB Type SAA Ordinary Duty PVC Jacketed 75 C Molded Grounding Plug AS3112 UC 822 Molded PVC Receptacle IEC320 C13 UC 051 1 0mm 3 Cond 10A 250V Unicable 8450 25M BB Type HO5VV F PVC Jacketed 70 C Molded PVC Grounding Plug SEV 1011 UC 841 Molded PVC Receptacle IEC320 C13 UC 051 1 0mm 3 Cond 10A 250V CellAlert Manual Page 7 3 0 Operating Instructi
7. g on the instrument The CellAlert is designed to be located near or in areas where sensitive electronic devices could be affected by cellular telephone signals The audible message alerts both the phone users and monitor personnel to unauthorized cellphone use 2 Page CellAlert Manual CellAlert Manual Page 3 2 0 Specifications Front Panel Power On LED llluminates Green to indicate power is applied to the unit Indicate LED INuminates Amber to indicate the detection of a Mobile Radio Telephone Fast blinking indicates that the unit is currently receiving a signal from a Mobile Radio Telephone Short pulses indicates that the unit has received but is not currently receiving a signal from a Mobile Radio Telephone Reset Button If the Indicate LED is illuminating Amber in short pulses to indicate that the unit has received but is not currently receiving a signal from a Mobile Radio Telephone pressing the reset button will stop the flashing of the Indicate LED until another detection of a Mobile Radio Telephone occurs Speaker Output of the Audio Message that plays to indicate the detection of a Mobile Radio Telephone The message is approximately 10 seconds in duration and will repeat in approximately 20 second intervals while the unit is receiving a signal from a Mobile Radio Telephone Rear Panel Volume Adjust Rotating the Volume Adjust knob clockwise will increase the volume of the Audio Message
8. m Washington DC September 11 1996 CellAlert Manual Page 15 Notes 16 Page CellAlert Manual Notes
9. nna and the cellular telephone should be given extra attention during installation You may wish to experiment with different heights and orientations using actual cellphones of different types in order to locate the best position for your application For more information on cellular telephone and CellAlert Manual Page 9 electromagnetic interference consult the articles listed in the Bibliography Monitoring Cellphone Use around Selected Devices You may wish to monitor or restrict cellular telephone use around a particular sensitive device such as a heart monitor or defibrillator For this type of application place the CellAlert as close as possible to the device you wish to monitor Use the sensitivity dial on the back of the instrument to select the desired area for detection Monitoring Cellphone Use within an Area You may wish to monitor or restrict cellular telephone use within a room or area such as hospital waiting rooms gas stations or airliners For this type of application you may find it necessary to use more than one CellAlert in order to obtain complete coverage A site map may be helpful so that you can select the best placement for the CellAlert 10 Page CellAlert Manual CellAlert Manual Page 11 4 0 Maintenance Electronic instruments are delicate Operate the CellAlert with care There are no user serviceable parts inside the unit Warranty may be void if the housing
10. ons The CellAlert Cellular Telephone Detector detects the electronic signals sent by operating cellular telephones These electronic signals are sent by the telephone during the time that the telephone is being used to make or receive a call as well as occasionally when the telephone is in standby mode on but not in use These are the same signals that can potentially cause interference to sensitive electronic devices The CellAlert can detect these signals up to 100 feet depending on the sensitivity selected the telephone transmit power and orientation instrument location and other factors Place the CellAlert in the area in which you would like to monitor or restrict cellular telephone use Adjust the sensitivity dial located on the back of the instrument to provide adequate coverage area to meet your particular situation On detecting a cellphone the CellAlert flashes an amber light and broadcasts a high quality verbal message indicating that cellphones are not allowed Basics of Cellular Telephone Operation and Signal Detection Cellular telephones in the standby mode periodically send a signal to the base station typically every ten minutes or less When the cellular telephone is used to make a call the send button is selected a signal will be sent immediately There are currently a variety of cellular telephone systems standards and technologies available within specific countries or geographical regions Ty
11. pically more than one cellular system type will operate per region Systems using different technologies and 8 Page CellAlert Manual standards may transmit signals of different kinds at different frequencies and power levels The CellAlert responds to their individually transmitted signals and it detects signal power in each of the different operating frequency ranges The CellAlert can detect both analog and digital telephones using the standard cellular telephone frequencies The Sensitivity dial on the back of the CellAlert adjusts at which power level the CellAlert will indicate a signal detection The power level will coincide with a coverage area depending on many variables including position orientation obstacles cellphone tower location building structure and materials Electromagnetic Signals The nature of electromagnetic signals should be taken into account in deciding on the placement of the CellAlert These signals are affected by obstacles including the body and building materials as well as the CellAlert s own casing These obstacles placed between the CellAlert antenna and the cellular telephone can attenuate the signal such that the detection range is reduced However electromagnetic signals can pass through many materials easily so the CellAlert may detect cellular telephones operating in adjacent rooms The position of the CellAlert antenna and orientation between the CellAlert ante
12. r cord set used must be rated for a minimum of 250V 10A When connected to an appropriate power line outlet this cable grounds the instrument cabinet No operator serviceable parts inside Refer servicing to qualified personnel To prevent electrical shock do not remove cover If this instrument is used in a manner not specified by Holaday Industries the protection provided by the instrument may be impaired LIMITED WARRANTY HOLADAY INDUSTRIES INC WARRANTS EACH CELLALERT TO BE FREE FROM DEFECTS IN MATERIAL AND WORKMANSHIP FOR A PERIOD OF ONE YEAR FROM DATE OF SHIPMENT TO THE PURCHASER THIS WARRANTY EXTENDS TO THE ORIGINAL PURCHASER ONLY AND DOES NOT APPLY TO ANY PRODUCT OR PARTS SUBJECT TO MISUSE NEGLECT ACCIDENT UNAUTHORIZED SERVICE OR ABNORMAL CONDITIONS OF OPERATION IN THE EVENT OF DEVICE FAILURE COVERED BY THIS WARRANTY HOLADAY INDUSTRIES INC WILL WITHOUT CHARGE REPAIR THE PRODUCT IF RETURNED TO THEIR FACTORY WITHIN ONE YEAR OF THE ORIGINAL PURCHASE PROVIDED THAT HOLADAY INDUSTRIES EXAMINATION DISCLOSES TO ITS SATISFACTION THAT THE PRODUCT WAS DEFECTIVE HOLADAY INDUSTRIES INC MAY ATITS OPTION REPLACE THE PRODUCT IN LIEU OF REPAIR IF THE DEFECT WAS CAUSED BY MISUSE NEGLECT ACCIDENT UNAUTHORIZED SERVICE OR ABNORMAL CONDITIONS OF OPERATIONS REPAIRS WILL BE BILLED AT A NOMINAL COST IN SUCH CASE AN ESTIMATE WILL BE PROVIDED BEFORE WORK IS STARTED IF REQUESTED BY THE PURCHASER FOR WARRANTY SERVICE CONTA
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