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1.           intruder in driveway      to maximize the time that the Base Receiver is  reporting a trigger event  This will maximize the chance of hearing the  message    If the PGM LED is flashing at any stage  you can press the  PLAYBACK button  and Base Receiver will broadcast all Zones that have  recently been activated     2 4 Setting the Base Receiver low battery warning    You may want to hear a specific message e g     Low Battery on Sensor     when a Sensor   s battery is getting low  To record this message  move the  Setup slide switch to RECORD  While holding down the PLAYBACK  button  say    Low Battery on Sensor    into the MIC  Return the slide switch  to the RUN position  To test the low battery message  press button  1 for 2  seconds  When any of the VA 6000T Sensor Transmitters experience a  low battery condition  the LOW BATTERY LED will flash on the top of the  Base Receiver  It will also sound the Low Battery Message  Pressing the  PLAYBACK button  will broadcast Zone messages  followed by Low  Battery Message to identify any Sensors  with low batteries  After a new  battery is installed  trigger the Sensor again to cancel the low battery  message     2 5 Installing Sensors    Once you have programmed the Sensors onto their respective Zones  you  will need to position the Sensors in and around your property such that  they give optimum detection while minimizing the chance of false triggers   The VoiceAlert System 6 Operating Instructions Manual recommends  m
2.     in association with  developers and distributors of WirelessAlert products will under no  circumstances be held liable for any injuries or damages that result from  the use of this product     If any part of this disclaimer is found by a competent court to be invalid or  non applicable  it will have no effect on the enforceability of other terms     Much effort has been made to ensure the contents of this manual are  complete  informative  easy and interesting to read  and accurate  InFocus  Trading 111 cc trading as    WirelessAlert    in association with developers  and distributors of WirelessAlert products  cannot be held liable for any  damages directly or indirectly resulting from any errors in any manual     It is the responsibility of the individual who reads this manual and uses  WirelessAlert products to communicate all of its contents to all of those  who will be impacted by the use of WirelessAlert products  By this  disclaimer and to these terms  InFocus Trading 111 cc  WirelessAlert  Technologies cc  Polygon Industries cc and all employees or  representatives are expressly relieved of all common law or statutory  responsibility for non performance of this product     Copyright InFocus Trading 111 cc  2009 15    
3.    2 6 Important Internal Sensor Settings    2 6 1 Setting a re trigger delay    To extend Sensor battery life you should consider setting the re trigger  delay dial VR1  Figure 4  to 30 or more seconds  turn clockwise to  increase delay   anticlockwise to decrease delay   Only do this for Sensors  that you expect will experience high traffic   activation during non critical  times    e g  You may consider setting a delay to prevent continuous  activation of Sensors by your garden employee working in the garden  during the day   A delay of not more than 20     30 seconds is  recommended for this type of situation     If you do not have a gardener or domestic staff on your premises during  the day  you should leave the trigger delay at zero seconds  You will then  be alerted immediately and continuously upon intrusion     Copyright InFocus Trading 111 cc  2009 10    VOIC   VoiceAlert User Manual    2 6 2 Setting the trigger indicator LED    Once you have finished programming   installing the Sensors  it is  recommended that the trigger indicator LED be turned off using switch  SW1  Figure 4   This will also extend Sensor battery life     2 6 3 Setting the Optic PIR on off    If you flick switch SW 2  Figure 8  to the left  then the PIR optic for that  Sensor will be off and only the external trigger connector block  J1  will be  operational  If SW 2 is flicked to the right then both the PIR optic and the  J1 external device connector will be active  Consult your WirelessAlert 
4.   Copyright InFocus Trading 111 cc  2009 13    VOIC   VoiceAlert User Manual    4 3 8 Sensor not programmed onto Zone    The Sensor may not have programmed correctly onto a Zone or it has lost  its programming link with Base Receiver  Re programme the Sensor onto  the correct Zone and then recheck for activation     5 Wirelessalert Support    5 1 Agent Technical Support    If you are experiencing a particular problem with your VoiceAlert system   please consult your WirelessAlert agent  WirelessAlert Agents have been  trained to provide technical assistance and advice on how to effectively  operate your VoiceAlert system     5 2 Online Technical Support Contact  If you do not have a WirelessAlert Agent in your area then please contact  online technical support   Email  techsupport wirelessalert co za   5 3 Head Office Contact    For Sales and Agent Information please Email  info wirelessalert co za or  visit Website  www wirelessalert co za       6 Copyright notice    All Information and images in this manual are copyrighted and proprietary  to WirelessAlert  The manual as a whole may be distributed and copied  freely  but no partial content may be used copied or distributed in any  way  No part of WirelessAlert products  including any Hardware  Firmware  and or Software  may be copied or reverse engineered  WirelessAlert  reserves the right to make changes to contents of this manual  without  notice  at any time     7 Guarantee    VoiceAlert is guaranteed for a period of 12 
5.  Agent if you are interested in using External Devices to trigger the sensor  via the J1 connector block or how to make use of m TX module to perform  the same function     2 7 Positioning the Base Receiver    Suitable areas for positioning the Base Receiver include the main bedroom  or somewhere more central like the living area  Adjust the volume on the  Base Receiver to a level that is loud enough to hear whilst moving around  the interior of the house  Make use of a UPS or several power supply units  at different locations to make it easy to move VoiceAlert from one location  to the next  Make sure not to leave the Base Receiver lying around in a  vulnerable location where untrained fingers can get hold of it and  inadvertently reset or change settings on the unit     3 VoiceAlert Advanced Operation    You may have noticed that there are four Relay and one Audio Outputs  present at the back of the Base Receiver  remove the small cover at the  back of unit to expose the Relays      The use of the Relays and Audio Output requires a degree of electrical  wiring knowledge  If you are familiar with electronics and wiring of electrical  devices then you may want to make use of the Relays to control security  lights and or a siren  The audio output can be used to extend the audible  range of the VoiceAlert to other parts of your home using external desktop  speakers and or your home PA system  Please contact your WirelessAlert  agent for assistance if need be     If you are inte
6. 2 2m and tilt the Sensor to face downwards  Secure the Sensor to an  angled block of wood and then mount the block onto a surface  This will  allow you to obtain the increased angle that you wish to set the Sensor   Figure 7      Copyright InFocus Trading 111 cc  2009 8    VOIC g VoiceAlert User Manual           Sensor mounted on  angled block of wood     Wall    Figure 7  PIR Sensor mounted on angled block of wood     2 5 4 Installation for Pet Friendly Operation    If there are large dogs on your property  insert a horizontal filter to make  the area of detection more horizontal than vertical  This will customize the  PIR detection area to a level where the dog  at height of head or tail  will  pass underneath and not cause activation  but human intruders will still be  detected  Figure 8      Sensor mounted at height  above ground and with  horizontal filter insert to  prevent false trigger from  pets        Wall    Figure 8  PIR Sensor with horizontal filter inserted     Copyright InFocus Trading 111 cc  2009 9    VOIC   VoiceAlert User Manual    2 5 5 Installation for Reducing False Triggers    Use the horizontal filter to create a more horizontal area of detection  For  example  if you wish to exclude large plants of a certain height directly  underneath the Sensor from triggering the Sensor when blowing in the  wind     Use the vertical Sensor filter to create a more vertical area of detection   For example  if you share part of a driveway with your neighbour or if a  
7. VOIC       User Manual  WIRELESS   ERT  a product    Please ensure that you read the VoiceAlert System 6 Operating  Instructions included in the VA6000S starter kit  before reading this  manual     Pay close attention to the guarantee conditions     VOIC   VoiceAlert User Manual    Table of Contents             UES NN cca cnt ah ec bs nonin ed E ae oA ae AN O ana naan 4  BU sR PSs Oy Seah ANS KIE ct kn ai Sc oo dN AE ot nee 4  Bs VMI We Mc es ec ea i a de bs eat ae a a 4  gia CC eR ee ne ee oe et renee TEE rer REET ne er ere 4                         2 45etting the Base Receiver low battery warning           ssessenrsssansennnnnensnnnansannennnnnennnnnnaa 7  eon lige Bole  e ie  eepeeeen eet ee neren   Peer rey reer cenny niet Trees e  ferrer rer es irrrrrtrrrr rrr rr reer parent ree 7  2 6important intemal Sensor Satings pesasini 10  2 4 Positioning the Base ROBIE I osusi aiaa aN 11  3VoaiceAlert Advanced Operation   s raronirrnaiiie n a danassarninnsd ga gegndbonncananditalecnes 11  AVoicedlert Troubleshooiiig aea 12  4 Human EnO cs a a a 12  4 2Sensor Continuously Activating the Base Receiver  looping     12                COOU ONU DOGE aa aaa 14  Re TUL Ter  all seo eee ee a Te rere ra or Tre 14  ANS IIE ana al aida mbes da saud pia udesiienan nana elaladiptaddeoh ieee aid abeatdpdibiaieaee 15       Table of Figures    Figure 1  VoiceAlert Base Receiver and PIR Sensor    ennenen 4  Figure 2  VA6000T wireless outdoor PIR sensor  VA tX          eecceeeeeeeeseenneeteeeeeeeee
8. eeeeeeeeeetes 5  Figure 3  Mini Transmitter  M T X erosin sssini oaa EAAS EEEE 5  Figure 4  VA tx Sensor internal layout            nessssneesesrrrrenseerannaesenrnnnaunennannaesannnnnaarennannaesannna 5  Figure 5  PIR Sensor mounted at standard height   no filter insert              ce eeeeeeeeeees 8  Figure 6  PIR Sensor mounted low down and angled slightly Up              ceeeeeeeeeeeeeeeeeeeees 8  Figure 7  PIR Sensor mounted on angled block of WOOG            c cecceeeeeeetteeeeeeeeeeeeeeeeeeeetees 9  Figure 8  PIR Sensor with horizontal filter INS rted 0    eee ceeeeeeeeeneeeeeeeeeeeeeeeeeeeeeeeeeeeeees 9    Copyright InFocus Trading 111 cc  2009 2    VOICEAI LRT    DIP   JUS   LED   LLB   MHz   MIC  m TX  PIR   UPS  VA6000S    VA6000T    Copyright InFocus Trading 111 cc  2009    VoiceAlert User Manual    Glossary of Terms    Dual Inline Package  VoiceAlert 12V Power Supply  Light Emitting Diode   Long Life Battery   Megahertz   Microphone   Mini Transmitter   Passive Infrared  Uninterrupted Power Supply  VoiceAlert Starter Kit    Additional VoiceAlert PIR Sensor    VOIC   VoiceAlert User Manual    1 Introduction    Please read the VoiceAlert System 6 Operating Instructions pamphlet  included in the VA6000S starter kit before continuing in order to  understand the basic radio operating principle behind VoiceAlert System 6   Please note     Sensor    will be used as a generic term for any device used  for triggering Zones on the VoiceAlert Base Receiver     1 1 VA6000S S
9. hat particular  Zone  Low battery messages can be an irritation to try and remove if you  have multiple Sensors on your property     2 2 Programming multiple Sensors per Zone    Match all DIP switch codes for Sensors specific to a Zone  Label each  Sensor with its Zone specific number  1     6      Note  You only need to program one of the Sensors specific to a Zone  since the other Sensors will have matching DIP switch codes and will  therefore also be set to trigger that Zone     2 2 1 Useful Trick    You can use a loose Sensor to shift installed Sensors onto a different Zone  number by simply matching the DIP code of the loose Sensor with that of  the installed Sensor  This is obvious but often overlooked  it can be very  strenuous to trigger an installed Sensor in an awkward or distant position    Copyright InFocus Trading 111 cc  2009 6    VOIC   VoiceAlert User Manual    while attempting to program it into the Base Receiver     so imitate the code  instead using a loose Sensor     2 3 Recording the Base Receiver Zone messages    Slide the Setup Switch to RECORD  Speak clearly with your mouth at a  distance of about 15 cm away from the MIC situated on the top of the Base  Receiver and record your specific Zone message  Return the slide switch  to the RUN position when finished  There are six seconds of recording time  available for each Zone  Make use of the full six seconds by repeating a  message multiple times  e g     intruder in driveway         intruder in driveway
10. im may be brought in respect of WirelessAlert component or  product usage that is greater in total value than the retail value of the  product or component itself at the installation in question     It is the responsibility of all installers and users of WirelessAlert products to  test all elements of the product  and all associated component parts and  settings upon setup  at any time that it is modified or in any way  managed     It is the responsibility of the owner of the system to ensure that the  functions and functionality of their WirelessAlert product and all associated  component parts and settings be tested at least once a week  Failure to  test any aspect will further void any claim that an end user might bring  against developers and suppliers     Given that WirelessAlert products operate as wireless systems and must  comply with the limitations that ICASA  FCC  and other authorities impose  on wireless transmission strengths  and given that atmospheric and other  conditions might from time to time create or alter non functional state for  the WirelessAlert system and its components  the Suppliers expressly  state that no guarantee of function can be given even when tests have  previously proven successful for one or another function  These vagaries  of function are therefore considered Acts of God   and provide the  Suppliers with insulation from prosecution that such Act of God conditions  generally provide     InFocus Trading 111 cc trading as    WirelessAlert
11. months against defects in  materials or workmanship  Should your product become defective during  the guarantee period it will be repaired or replaced at the sole discretion of  WirelessAlert under the following conditions     A  The unit and enclosure must not have been opened or otherwise  tampered with  If the enclosure of any unit has been opened at all  the  guarantee will be null and void     B  The guarantee does not cover damage resulting from excessive input  voltages  lightning  power surges or water damage  If any of these  conditions are detected during assessment  the guarantee will be null  and void     Assessment and opinion as to the status of each unit with regards to the  conditions named in    A    and    B     above  will be at the sole discretion of  WirelessAlert  This guarantee does not provide for shipping costs   Shipping costs will be for the account of the user under all circumstances     Copyright InFocus Trading 111 cc  2009 14    VOIC   VoiceAlert User Manual    8 Disclaimer    It is the responsibility of all installers and users of WirelessAlert products to  read and fully understand manuals supplied with the products  to comply  with all warnings and to communicate these to relevant parties  It must be  clearly understood that no WirelessAlert product is a    life saving    device   and installers and users of WirelessAlert systems indemnify WirelessAlert   its management  shareholders  staff and suppliers  of all claims in this  regard  No cla
12. nst radio signals  This will be  obvious if on a sunny day  your Base Receiver receives signals from  Sensors  but not on misty days  You can install outdoor repeaters and or  high gain antennas to rectify the signal strength  Contact your Agent to for  assistance with repositioning sensors and or placement of the repeaters to  maximise signal strength     4 3 6 Persistent mist   fog    If there is thick persistent mist   fog in your area then moisture may enter  through the small hole in the base plate and collect on some of the  sensitive electronics  This may decrease signal strength substantially  and  or the battery may short circuit and run flat very quickly  If you are going to  be installing Sensors in extremely misty conditions then wrap strong  electrical tape around the entire Sensor to seal it completely  You must  also be very careful to make sure that the Sensor cover plate is correctly  replaced with its seal in place after changing batteries to prevent moisture  ingress     4 3 7 Base Receiver   s UPS backup battery is flat    If you are using the UPS backup battery to operate your Base Receiver  always make 100  sure the UPS battery remains fully charged  charger  connected  otherwise you signal reception will appear reduced  Sensor will  appear to not be triggering the Base Receiver from far away   Always  make sure the charger is connected to the UPS and charge the UPS for at  least twelve hours before using it out in the field without charger  connected   
13. ounting the Sensors 2 2m above the ground  parallel to the mounting  surface  This is suitable for most applications however there are certain  situations that require Sensor to be mounted higher or lower and angled  either slightly up or down     2 5 1 Standard Installation of Sensor    If you want to monitor a general area with no obstructions or pets then  follow the recommended height for mounting Sensors  2 2m  with the  Sensor parallel to the surface you have mounted it onto and no filter  inserts  Figure 5      Copyright InFocus Trading 111 cc  2009 7    VOIC g VoiceAlert User Manual    Sensor mounted at  2 2m above ground        e im    Figure 5  PIR Sensor mounted at standard height   no filter insert     2 5 2 Installation for Increased Detection Distance    If you want to increase the distance of detection to slightly more than 12 m   secure the Sensor low down  app  1m above ground  and tilt the Sensor to  face slightly upwards  Figure 6   This will shift the field of detection forward  and allow for detection of movement in some instances up to 15m away  from the sensor  performance will be subject to surrounding environment         Sensor mounted 1m  above ground and angled  slightly up              Wall       Figure 6  PIR Sensor mounted low down and angled slightly up     2 5 3 Installation for Increased Angle    If you want to monitor a specific area directly underneath the Sensor as  apposed to movement in the distance  you can mount the Sensor higher  than 
14. ping   4 2 1 Flat Battery in Sensor    This can occur if the battery inside the Sensor has become very flat   lt  lt   8V   Please replace flat battery and reprogram Sensor onto the correct  Zone     Be aware  Low battery reports are transmitted at a very high trigger rate  and at an elevated level of power     and this can  severely  interfere with  other 433MHz components  such as car immobilisers  gate and garage  doors  etc   Never let a low battery condition persist    4 2 2 Misty conditions    If there is thick mist   fog in your area then there is a chance that moisture  may enter through the small hole in the Sensor base plate and collect on  some of the sensitive electronics  This can induce a continuous transmit   looping  condition     If you are going to be installing Sensors in extremely misty conditions then  wrap strong electrical tape around the entire Sensor  especially where face  plate meets base  to seal it completely  Make sure to cover the small hole  in the base of the sensor     4 3 Sensor not Activating the Base Receiver    4 3 1 Primary checks  Sensor battery completely flat  change the battery    Check Sensor SW2     must be in the ON position for PIR detection   Battery terminal connector must fit properly  not loose    Make sure the Base Receiver is in the RUN mode   Make sure the Base Receiver has not been accidentally re programmed or  interfered with   4 3 2 Large obstacles    Large obstacles  large trees  concrete walls  dense foliage  uneven 
15. portion of the back yard contains a tree that blows in the wind  You can  use the vertical filter to exclude these false trigger areas      Note  You must remove branches or other foliage that grow in front of a  sensor over time as these could possibly lead to false triggering  A  schedule of periodic inspections must be implemented to cut away foliage  re growth      Note  Do not mount the Sensor pointing in the direction of a swimming  pool  Sunlight reflecting off the pool   s surface onto the Sensor may cause  false triggers     2 5 6 Protection from direct sunlight    Direct sunlight onto the Sensor can eventually lead to discoloration of the  Sensor cover  If possible  mount Sensors so they receive slight shading  from direct sunlight  If you have to mount Sensor on a wall that receives  direct sunlight then consider using a DIY  PVC cover to provide some  shading  Make sure you do not cover the lens of the filter     2 5 7 Use of long range lens    The long range lens increases the infrared detection range from 12m to  30m  Be aware that the increased distance narrows the field of detection   Long range Sensors will be more efficient at detecting objects moving  perpendicularly across the field of detection  left to right or right to left  as  apposed to movement parallel to field of detection  moving toward away   from Sensor   They are very useful for monitoring along the length of long  walls or fences where intruders could jump over to gain access to a  property  
16. rested in connecting external sirens and or security lighting to  your VoiceAlert but you do not have experience with electronics and wiring  of external device then please contact your WirelessAlert agent and they  will be able to assist you in this regard or refer you to a qualified  WirelessAlert technician     Your WirelessAlert Agent will also be able to assist with multiple Sensor  installations on large properties  Large properties often require Sensors  placed a fair distance from the Base Receiver  often beyond the transmit  capabilities of a Sensor   It is extremely important to ensure that radio  signals from Sensors placed far away or behind potential radio impeding  objects still reach the Base Receiver with sufficient strength  Your agent  will have testing equipment to do the necessary tests and recommend  steps for improving signal strength if required     Copyright InFocus Trading 111 cc  2009 11    VOIC   VoiceAlert User Manual    4 VoiceAlert Troubleshooting    4 1 Human Error    Domestic Staff can very often be VoiceAlert   s worst enemy  They may  inadvertently unplug the Base Receiver while cleaning in the main  bedroom and forget to plug it in again  You should dedicate a wall socket  to the Base Receiver power supply that cannot be accessed by  unauthorised persons  Make sure you explain to staff and children to leave  the wall plug alone and not to touch any of the buttons on Base Receiver     4 2 Sensor Continuously Activating the Base Receiver   loo
17. sor cover and then place Sensor out of the way  where it  won t be accidentally activated  this is particularly important when you are  working with more than one Sensor as you don   t want random radio  signals interfering while attempting to program a specific Sensor onto a  Zone      Slide the Base Receiver Setup switch to PROGRAM     Locate chosen Sensor and activate it by waving your hand in front of its  lens  You will see the trigger LED illuminate to indicate that the Sensor has  been triggered     The Setup LED on top of Base Receiver will in turn illuminate to indicate  that the trigger signal from the Sensor has been received and Base  Receiver is waiting for you to allocate Sensor to a Zone     Press the Zone  1 6     black push switch    that you wish to associate with  the Sensor  The Setup LED with extinguish  indicating that Sensor has  been programmed onto that Zone     Program additional Sensors in turn to specific Zones  2 6  each with a  unique DIP code  remember to keep a record of the DIP codes for future  reference      You can also label the Sensors with their specific Zone number  label with  a permanent marker or use a small sticker   This will help when identifying  Sensors in the future      Note  Make sure the Base Receiver is off before you connect batteries to  additional Sensors that have their DIP codes set to Sensors already  programmed onto a Zone  Failure to do so will result in the LOW  BATTERY low battery events on the Base Receiver for t
18. t for further information     Copyright InFocus Trading 111 cc  2009 4    VOIC g VoiceAlert User Manual       Figure 2  VA6000T wireless outdoor PIR sensor  VA tx        Figure 3  Mini Transmitter  m TX     2 Configuration of Base Receiver and Sensors    Please read the VoiceAlert System 6 Operating Instructions pamphlet  before continuing     Follow the instructions below carefully to ensure optimal configuration of  your Sensors and Base Receiver     2 1 Programming One Sensor per Zone    DIP Switch SW  VR1  J1  SW 2  Battery  connector PIR optic       Figure 4  VA tx Sensor internal layout    Make sure the Base Receiver is turned off using the on off switch     Remove the VA tx Sensor cover and connect battery to the connector   Figure 4   Make sure that the terminals of connector snap firmly onto  the battery   s terminals  Loose battery connectors can lead to low battery  messages and other looping issues  See Troubleshooting Chapter      Set a unique code on the DIP switch  Figure 4   Make sure to record all  DIP codes for all Sensors as this will ensure proper management of Zones    Copyright InFocus Trading 111 cc  2009 5    VOIC   VoiceAlert User Manual    and Sensors should you wish to add additional Sensor s to a Zone in the  future     Make sure that the trigger LED indicator Switch 1  SW1   Figure 4  is set to  the on position     Make sure that the Optic PIR is set to on position  SW2   Figure 4   Optic  is on when SW2 is flicked to the right     Replace the Sen
19. tarter Kit    Figure 1  VoiceAlert Base Receiver and PIR Sensor    The VA6000S starter kit forms the basis of the VoiceAlert system  It  consists of Base Receiver  VA rx  and one VA6000T PIR Sensor  VA tx    Figure 1      You will seldom use the starter kit on its own unless you only need to  monitor a single Zone  Most applications require more than one Sensor   Please contact your WirelessAlert agent if you wish to purchase additional  Sensors     1 2 Power requirements    Base Receiver requires 12Volts to operate  e g  12V JUS transformer  power supply supplied in the starter kit      Sensor requires a standard 9V battery  gives average six months  operation   11 7V Long Life Battery  LLB  or 9V rechargeable battery     1 3 Features    Basic features are listed in the VoiceAlert System 6 Operating  Instructions pamphlet  please read this before continuing      1 4 Accessories    In addition to extra V6000T Sensors  VA tx   Figure 2   a Mini Transmitter  module  m TX   Figure 3   is also available for operation with the Base  Receiver  The m TX module allows for a range of 3  Party detection  devices  Infrared PIR  point to point beam  pressure mat  vibration switch   and or tripwire  to be wirelessly coupled with the Base Receiver  Other  accessories include 433 MHz signal repeaters and a range of high gain  antennas for improving Sensor signal transmission and reception   Operation of these accessories is not covered in this manual  Please  contact your WirelessAlert agen
20. terrain   in between the Sensor s and the Base Receiver can reduce signal strength  significantly  Ask your agent to assist you in repositioning the Sensor s and    Copyright InFocus Trading 111 cc  2009 12    VOIC   VoiceAlert User Manual    or making using of WirelessAlert 433MHz Repeaters to ensure signal  strength is sufficient when measured at the Base Receiver     4 3 3 Metal structures    Metal roofing walls and other large metal structures are not suitable for  mounting Sensors onto or under as they can either block the radio signal  completely or substantially reduce signal strength  Even if the metal  structure is a couple of meters away from the Sensor  this can still cause  interference  Reposition the Sensor s at least ten meters away from metal  structures  Ask your agent to assist you in repositioning the Sensor s and  or making using of WirelessAlert 433MHz Repeaters to ensure signal  strength is sufficient when measured at the Base Receiver     4 3 4 Spider  insect interference    Ants and small spiders can enter the Sensor through the small hole in the  base of the Sensor  They tend to build nests   webs which can eventually  cause short circuits on some of the sensitive electronics     Remove any insects and clean out the nest web with a soft dry brush  soft  paintbrush      If insect problems persist  you may need to plug the hole in base of the  Sensor with electrical tape or silicone     4 3 5 Misty conditions    Misty conditions can act as a shield agai
    
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