Forteza200Manual
Contents
1. Date of issue 200 16 Mark of technical control department 3 MANUFACTURER S GUARANTEES The manufacturer guarantees the conformity of the detector specifications to requirements TY 4372 43071246 065 if a user meets the service conditions and operating rules specified by 4372 43071246 065 TO Warranty period is 18 months since the date of sale by the manufacturer Guarantees do not cover detectors with broken guarantee stamps with mechanical failures and also those which are out of order because of natural disasters lightning fire and flood Mean lifetime is 8 years Send complaints to the following address European Office JCS Forteza Phone 370 46 411353 M Mazvido av 9A 18 Fax 370 46 412231 92136 Klaipeda Mob ph 370 655 08288 Lithuania E mail forteza forteza com www forteza com 17 182. Local Microwave Protective Detector Forteza 200 Description Manual amp Service Instruction 4372 43071246 065 TO 2008 CONTENTS le lntrod cti ontan woot cy int o ia ena nes ve Aeae E AEE dota Werte ten E AEEA 3 2 PUPO SE e e ao n E A A AE AO EA eee ea a eae 3 Dr Specifica ONS i ree a a a E 3 4 Dete tor COMPONEN S senei osinn i e ia e a a 5 5 Detector Structure amp Operation sesessssessesesssersseresssetssereessressereesseesserees 5 5 1 Detector Principle of OperatiOns scs satiec tact tecssnceratelscebatecnjiondeumertdceadstacansce 5 5 2 Adjustment Control and Indication Parts ccccccesceceesceceesteeeeeneeeeees 6 5 3 Detector Operation vesine n Seine ste eere e uate ENN ERa Ru Ronen 6 6 Detect r Constructions annisca nea aie e E a ea E sah 7 NR O E OINEAN O EAE ce E E E E A cece Huck 7 02A LC OMS UCI ON oiera E a RE E A E E E TAA 7 6 3 MK mounting Kit a tee caters Sonat the aeeats 7 Te Satety Measures eneren iara she E Wake Os E a a 10 8 Mounting Procedure iis can ccdsaeensencoasuarecas pasatanaedong cdansioce sioeameie 10 8 1 Requirements for the preparation of the sector and the arrangement of Rx and TX ince cuss Sead neeniean pan cahiaddas in beaeepiealiiets 10 8 2u Detect Mounting Aafia ais ceay e noe eune yet saan em ogee tages 10 8 3 Detector ONE CHOON a tomes era pass emnaaas te iemecanen ont aceamanaacemenes 12 9 Preparation of the Detector for the Operation amp Adjust
3. thresholds are Check the 15 Possible Cause detector does too high accuracy of the not generate Rx thresholds alarms when setting an intruder crosses the sector 2 The alignment is Align Tx and Rx disturbed antennas 13 STORAGE 13 1 The detectors should be stored in the package in warehouses at an ambient temperature 5 C 30 C and relative humidity 85 maximum During storage the influence of hostile environment should be prevented 14 TRANSPORTATION 14 1 Packaged detectors can be transported by any transport if by plane in pressurized modules if they are transported in covered cars holds or covered bodies they can be transported at the distance up to 10 000 km The boxes should be placed to prevent their shifting or fall in case of jolts and blows Microwave Local Protective Detectors Forteza 200 Forteza 100 Forteza 50 Certificate 4372 43071246 065 IIC The purpose of the detector and its specifications are given in the corresponding items of the description manual 4372 43071246 065 TO 1 DELIVERY KIT The delivery kit includes Transmitter 1 item Receiver 1 item Mounting kit 1 kit Kit of tools and accessories 1 kit Description manual and Service instruction certificate 1 item 2 ACCEPTANCE CERTIFICATE The detector Forteza 200 Forteza 100 Forteza 50 serial meets performance specifications of 4372 43071246 065TY and it is considered as operable
4. 8 3 2 The type and the nominal of the terminal element of the security systems loop resistor condenser and diode are determined by the type of the control device The detector is connected to the control device Usually it is a resistor The nominal resistance of this resistor should take into the clamping resistor of the lightning circuit this resistor 100 Ohm and resistence of the security systems loop depends on the chosen cable type and its length 8 3 3 The contacts of the tamper circuit TAMPER of Rx can be connected to the receiver control device by the separate loop In this case the user receives the information of the opening of the Rx terminal cover with the separate signal The second variant the individual point relay is switched ON in series with the contacts of the individual relay In this case an alarm will be generated when the individual point relay functions the opening of the Rx terminal cover on one channel of the control device 8 3 4 The detector receives a signal from remote control RC when an additional button is installed in the room It is possible to install one button on some detectors In this case the button pressing checks the detectors operation of all group detectors 9 PREPARATION OF THE DETECTOR FOR THE OPERATION AND ADJUSTMENT 9 1 Detector Preparation for its Operation Check the right connection of supply circuits and output circuits of the detector 9 1 1 Switch ON the dete
5. CTION provides the indication of the mode operation of the detector Continuous luminescence means the standby state of the detector The indicator s switching off for 3 sec means the alarm generation 5 2 4 During Rx and Tx adjustment on the maximums of the antennas directional diagrams the amplifier is transferring from the mode of the adjustment with a big time constant to the mode with a small time constant by pressing the button AGC automatic gain control on Rx In this case an express setup of the amplifier takes place on the standby state 5 2 5 A normally closed tamper loop is provided to prevent unauthorized opening of the back panel of the Rx unit In the operating condition the tamper circuit s contacts are closed during the back panel opening they are broken The circuits of alarm cables marked TAMPER TAMPER green and grey wires are broken too 5 3 Detector Operation 5 3 1 The detector operation provides the following suite Preparation of the sector Signal cables and power supply laying Tx and Rx installation Detector s connection connection of power supply and loops of intruder Alignment of Tx and Rx antennas Setup of Rx thresholds The principles and the methods of the operations performance are given in items 8 10 5 3 2 The detector has the following operating regimes Standby state contact breaking Alarm signal open condition Tamper state
6. ane of the mirror should be parallel to the plane of the deflector and fix the pointer keep it in the center of Tx unit Direct the pointer beam on the mirror center Changing the position of the deflector it is necessary to obtain the beam from the pointer to be in the center of Rx Switch on supply voltage and carry out the exact alignment of Rx then the alignment of Tx according to the methods given in item 9 2 Adjust the operation thresholds of Rx according to methods given in item 9 3 11 CHECK OF TECHNICAL STATE 11 1 Check of Detector Operation 11 1 1 During the detector s exploitation it is recommended to check remote control RC 1 3 times in a day 11 2 Servicing 11 2 1 The detector should be served by the technicians after special training and instruction 11 2 2 During the service of the detector it is necessary to conduct check and preventive works 11 2 3 Every month carry out external examination of the detector units and the state of the sector where Tx and Rx are installed It is necessary to check the absence of dust dirt snow and ice from the side of radiation of Rx and Tx antennas and clean them if it is necessary the absence of outside objects in the sector where Tx and Rx are installed 11 2 4 Every quarter carry out all the works specified as works carried out every month check the state of the cables and cable connections 14 11 2 5 During seasonal works it is controlled t
7. ctor power supply The broken or constant glowing of the indicator PROTECTION proves the presence of voltage on Rx 9 2 Adjustment of Tx and Rx 9 2 1 Tx and Rx are adjusted on the angle of the place and the azimuth according to the maximum value of TEST voltage 9 2 2 Two persons are necessary for adjustment One of them is situated next to Rx the other next to Tx 9 2 3 The alignment includes the following procedure Connect the tester to the socket TEST using the alarm cable from the kit in the mode of constant voltage measuring 12 Loosen the bolts12 see fig 6 1 of Tx and Rx Press the button AGC Pressing it and stooping in turn Tx and Rx vertically exact the maximum indicated value of voltmeter Ease the button AGC Tighten the bolts 12 Loosen the nuts 10 Press the button AGC Pressing it and stooping in turn Tx and Rx horizontally exact the maximum indicated value of voltmeter Ease the button AGC Tighten the nuts 10 Check the value of TEST voltage as a result of the adjustment If TEST voltage is less than 1 2 V it is necessary to repeat the alignment vertically and horizontally for more exact adjustment If the voltage controlled by the voltmeter is over 4 5V on short sectors it is recommended to make the desalignment of Rx and Tx upwards at a small angle so the voltage does not exceed 4 5V Don t desalign Rx and Tx down or towards The de
8. he height of the grass If the height of the grass is over 0 3m the grass should be cut or removed by another method 11 2 6 If the height of snow changes false alarms can be generated because of the decrease of the signal at the input of the receiving unit In this case it is necessary to remove snow or to change the height of Tx and Rx antennas installation After the height of the antenna mounting is changed they should be aligned The thresholds should be adjusted according to the procedure given before 12 TROUBLESHOOTING GUIDE List of possible troubles is given in table 12 1 Table 12 1 Possible Cause 1 The 1 Communication Check the cable receiver line is broken integrity and the control accuracy of its device connection constantly Restore the generates communication alarms line 2 The protective Replace the device inthe supply protective device unit is blown 3 The detector Align Tx and Rx alignment is antennas disturbed 4 Tx fails Replace Tx 5 Rx fails Replace Rx 2 False 1 Moving branches Inspect the sector alarms of the are in a detection and remove detector zone and they cause interference alarms factors 2 High grass is in the sector 3 Snow blanket is higher than one specified in the manual and this reduces an input signal 4 Animals circulate in the sector 5 The Rx thresholds Check the are too low accuracy of the Rx thresholds setting 3 The 1 Rx
9. ing to the results of the trial operation As the guarding deforms the detection zone configuration the detector operation depends on the exact place of its mounting 8 2 4 Lay the main cables according to the project of the security systems Mount the brackets on the supports for Rx and Tx The brackets of Rx and Tx for a sector should be adjusted The height of the brackets mounting if snow is absent is chosen according to fig 6 1 The brackets are mounted on the supports with two buckles see fig 6 1 8 2 5 Install Tx and Rx on the brackets with bolts 12 fig 6 1 ATTENTION The right orientation of Tx and Rx on the bracket drain port should be downward ATTENTION To reduce the level of electromagnetic interference induced on supply lines it is recommended to mount SU at the distance of 300 m maximum from the place where the detectors are installed 11 8 3 Detector Connection 8 3 1 Switch ON the necessary supply units signal circuits remote control circuits Rx and Tx units are connected with its own alarm cables The wires are marked The marking of cable conductors is given in table 8 1 Table 8 1 Rx Tx Circuit Color Purpose Circuit Color Purpose 66499 red e649 red hee bie Supply voltage ae blue Supply voltage NC yellow Individual point ROC green S a a NC yellow relay contacts TAMPER green Contacts of TAMPER brown tamper circuit
10. ld meet item 3 3 The detector can be mounted if the width of the sector is less In this case if TEST voltage item 9 2 is less than 1 2 V it is necessary to change Rx and Tx position relative to the support For example if Rx and Tx are at the left from the support turning the wall bracket relative to the support at 180 fix Rx and Tx at the right from the support If it is not successful and TEST voltage is less than 1 2 V it is necessary to realize the trial operation and according to its results to make a decision about the possibilities of the detector operation in these conditions 8 2 Detector Mounting 8 2 1 Mark the perimeter for the places where the supports are mounted To increase the protected area it is necessary to provide the overlapping of the sectors see fig 8 1 and 8 2 The overlapping is necessary to exclude the possibility of the sector s overcoming under or above Tx Rx near from the support 8 2 2 Mount the supports It is recommended to use metal or asbestos cement tube as supports of 70 90mm diameter The height of the support above the surface of the ground is given in fig 6 1 In the places where there is a lot of snow the superstructure of the support should be 1500 mm minimum 10 Rxl Rx3 Rx2 Fig 8 1 Tx2 Txl Fig 8 2 8 2 3 The supports are mounted with concreting The user can apply other variants of the detector mounting for example guarding building wall accord
11. ment 12 9 1 Detector Preparation for its Operation ec cece eeeeeee eens 12 9 2 Adjustment of Tx and TEX writes eden reset tteaandies cords seds coeden eamed Beene eae 12 9 37 Re WIIG SIO IC eeren te otsn da E ea aeda arada aana eia 13 10 Operation of the Detector with the Deflector sssssseessesssessesssesssessseesse 13 LiL ACh CKO Technical Stateczeis ipsnm iann tanta ET AAE 14 Lal Checkor Detector Operation cresrenn iee a ERE 14 DD De CU V IC UNS eenean eee chive tu Tr aE aeea ee Ea 14 12 Troubleshooting CIUIGe 53 siesa ac sltcoluaeuenianscasuten souians ai ceadonancrdsebeaauevuctasens 15 Di SULA Sa a E aaa p don neudy AEA AEA EE EEA E TIERES 16 Mths Transportation e an a E E E I enieanes 16 Ceriale enai fede sat ea O cute Satan dan visas aae e aTa EE 16 1 INTRODUCTION The present description manual and service instruction contains information about the operation of the local microwave protective detectors Forteza 200 Forteza 100 Forteza 50 below the detector In this document there is information required for the correct operation use transportation storage and maintenance of the detector The following abbreviations are used in the present document Tx transmitter Rx receiver 2 PURPOSE 2 1 The purpose of the detector is to protect the perimeter sectors and to detect an intruder crossing at his full height or bent crawling through this sector 2 2 The detector is i
12. nd design modifications unspecified in the documents delivered with the detectors Nevertheless the main specifications are valid 7 SAFETY MEASURES 7 1 The current safety standards for the operation with electrical facilities with up to 1000 V voltage should be observed during mounting prevention and repair of the detector 7 2 Cables should be laid terminated and connected to the sockets only when supply voltage is OFF 7 3 It is prohibited to mount and to maintain the detector during lightning storm 8 MOUNTING PROCEDURE 8 1 Requirements for the preparation of the sector and the arrangement of Rx and Tx 8 1 1 The sector where Tx and Rx are located should meet the following requirements a The height of irregularities should not exceed 0 3m If irregularities of the sector surface from the plane exceed 0 3m the specifications of the detector can worsen In this case the issue of the use of the detector under these conditions is defined by the trial operation b The height of the grass should not exceed 0 3m c The height of the snow should not exceed 0 5m d The maximum incline of the sector is 45 e Single fixed objects e g posts trees without lower branches can be situated in the detection zone at the distance of 0 5 m minimum from the axis f On the sector there should not be situated moving leaves bushes trees etc at the distance of 0 7 m from the axis connecting Tx and Rx g The width of the sector shou
13. nt crawling through with the minimum detection probability of 98 RC signal is given on Tx Electromagnetic field influences on Rx for its masking An alarm can be absent but in this case the detector saves its availability An alarm is generated by breaking the contacts of an individual point opt electronic relay for the time 3 sec minimum This signal is sent from Rx by yellow and pink colored wires marked NC normally closed NC normally closed Note At the distance of 3 5 m from the supports on which Tx and Rx are installed the probability of the intruder s detection who is bent crawls through is 98 because a person can move bent and pass below the detection zone 3 5 The detector generates a fault signal in the case The absence of the signal from Tx In the absence of power supply or when the voltage drops below 9 V Failure of Rx or Tx A fault signal is generated constantly latching till the same is rectified and indicated by break in the contacts of an individual point optoelectronic relay indicated by yellow and pink colored wires marked NC NC 3 6 The dimensions of an individual point optoelectronic relay are the maximum switching current is 0 1A the maximum voltage is 50 V the maximum resistance is 100 Ohm in the closed status with the elements of storm protection 3 7 Removal opening of the back inspection cover of the Rx unit generate a tamper alarm The contacts of the
14. ntended for continuous round the clock outdoor operation at an ambient temperature 40 C 65 C and relative humidity up to 98 at the temperature 35 C 3 SPECIFICATIONS 3 1 The recommended length of a sector for modifications Forteza 200 10 200 m Forteza 100 10 100 m Forteza 50 5 50 m 3 2 The configuration and the dimensions of the detection zone are given in fig 3 1 and table 3 1 The detection zone is a volumetric part of a sector that being the very specialty in the kind of detection and any movement within this sector will generate an alarm Detection zone L Length of a sector h Height of detection zone b Width of detection zone In fig 3 1 and table 3 1 the height h and the width b of the detection zone are given for the middle of the sector Moving towards the receiver or transmitter these dimensions decrease evenly given the geometry of positioning the receiver and transmitter Table 3 1 Dimensions maximum m Length of a sector L m 1 4 1 6 1 8 0 5 0 77 1 0 1 5 21 3 3 The distance recommended from the axis of the detection zone up to guarding building walls and other nonmoving objects should be as follows 80 200m 1 1 m minimum 25 80m 0 8 m minimum 10 25m 0 4m minimum 3 4 The detector generates an alarm when An intruder crosses a detection zone perpendicularly to the axis at a speed of 0 3 10 m sec at his full height or be
15. of Rx the contacts of the tamper circuit are opened 5 3 3 The receiver control device realizes the receipt and the indication of alarms The detector operates with the receiver control devices providing the check of the relay contacts 5 3 4 During the operation the remote control checks the detector efficiency The constant voltage 5 30 V for 1 3 sec is realized on the Tx green wire marked RC The beaming of Tx is interrupted for the time of the signal RC operation Then Rx generates an alarm In such a way the signal generation after the signal RC confirms the detector s operation and the running order of the loop The user determines the control periodicity 5 3 5 Besides there it is necessary to check periodically the technical state of the detector and its servicing Periodicity of the checks is given in item 11 6 DETECTOR CONSTRUCTION 6 1 Rx Construction 6 1 1 The detector consists of separate units Rx Tx placed in dust splash proof enclosures 6 1 2 Rx Construction and its fastening elements to the support are given in fig 6 1 The carrier of the unit is base 4 Radio transparent enclosure 5 is glued to the base with sealing material In the heel of the enclosure there are two holes preventing condensed fluid accumulation within the unit The access to the controls adjustment indication elements and clamps for the connection of the terminal element is open when the cover 6 is removed Rx is connec
16. ppear in its operation When the adjustment is over it is necessary to close the Rx terminal cover After the detector adjustment it is recommended to carry out its trial operation for 2 3 days to reveal and eliminate possible errors of mounting and adjustment 10 OPERATION OF THE DETECTOR WITH THE DEFLECTOR 10 1 If it is necessary to create breaking of the detection zone the detector can be used with the deflector fig 10 1 10 2 A metal sheet its dimensions no less than 1 1m is used as a deflector During mounting the deflector should be adjusted at the angle of azimuth and the angle of the place It should have reliable fastening to exclude its vibration when it is windy because it can cause false alarms 13 10 3 In case of the detector operation Forteza 200 through the deflector the total length of the detection zone does not exceed 50 m deflector Tx Rx Fig 10 1 10 4 Procedure of Operation 10 4 1 Mount Tx Rx and the deflector according to item 8 2 10 4 2 Align Tx and Rx in the direction of the deflector Open the Rx terminal cover and connect the tester to the socket TEST with the alarm cable Switch on supply voltage Changing the position of the deflector Tx and Rx units obtain the signal on the socket TEST Carry out exact alignment according to item 9 2 10 4 3 To define the optimal position of the deflector it is possible to use a laser pointer Place a mirror on the deflector the pl
17. rson passage Rx generates an alarm breaking output contact of the relay 5 1 3 The signal on Rx input can be changed under the influence of other factors rain grass small animals electromagnetic interference swinging of branches gates entering the detection zone commensurable with an intruder movement Other reasons e g location of extensive constructions objects in the detection zone or near from it like as fences walls irregularities snow grass can influence on the level of Rx input signal In theses cases because of big reflections and interference the detection zone configuration jumps Multi thresholds algorithm of the detector operation permits to decrease the number of alarms provoked by interference That s why it is necessary to observe the recommendations in the subsection 8 1 5 2 Adjustment Control and Indication Parts 5 2 1 An alarm generates the values of the Rx thresholds An explorer establishes them during the operation with the controller of the thresholds MIN MAX The thresholding is realized by the main rotation of resistor axis with screwdriver In this case the thresholds will change from minimum MIN to maximum MAX value 5 2 2 The input signal is controlled with the tester on the socket that is marked TEST test jack The more TEST the more Rx input signal and vise versa The detector keeps its operation with the range of the voltage values too TEST 0 1 4 8 V 5 2 3 The light indicator PROTE
18. tamper circuit are broken and this is reflected at the Rx unit through the green and grey colored wires marked TAMPER TAMPER Contacts rating of this tamper circuit are current up to 0 2A at voltage up to 80 VDC 3 8 The detector power supply is 9 30 VDC with a maximum pulsation of 0 02 V maximum The maximum current consumption is 35 ma at 24 VDC 3 9 The detector operation can be tested by applying 5 30 VDC signal at the RC on the Tx unit The RC is marked as RC remote control input of the transmitter The duration of this test signal is 1 3 sec 3 10 The detector doesn t generate an alarm when precipitations such as rain snow thick fog solar radiation the influence of wind at a speed of 30 m sec maximum moving of the objects in the DZ detection zone of 5 m from Rx or Tx of the objects with the linear dimensions of 0 2 m maximum birds or small animals irregularities on the sector up to 0 3m snow without additional adjustment up to 0 5 m grass up to 0 3 m influence of the radiated emission of ultra short waves of the range 150 175 MHz up to 40 Vat on the distance 6 m maximum 3 11 The detector is immune to EMI voltage impulses in supply circuits breaks of main supply electrostatic discharges and electromagnetic fields 3 12 Input circuits of Tx and Rx are protected from electric pickup electric storm too 3 13 The detector mean lifetime is 8 years 3 14 Ma
19. tector keeps its operation using TEST voltage 0 1 4 8V The boundary values of 1 2V and 4 5V during the adjustment are recommended for the resource of the signal level to provide a long operation Disconnect the tester from the socket TEST of Rx 9 3 Rx threshold 9 3 1 Mount the controller MIN MAX in the position MAX Thresholds are adjusted when a person crosses a protected sector uniformly along the whole length Cross the sector in the position at one s full height and having bent It is necessary to go out from the DZ of 1 2 m for Rx calming otherwise the results of the previous passage will influence on the following When the detector generates alarms PROTECTION indicator becomes to dim for 3 sec The following passage can be done after the switching ON of the indicator PROTECTION If the signal is not generated during the investigator passage the controller MIN MAX will be turned on one two points counter clockwise and the alignment will be continued Do some check passes along the whole length of the sector especially in the problem sector places in hollows hills next to the trees branches situated in the detection zone If it is necessary regulate the detector thresholds Align the thresholds very attentively as decreasing the thresholds a lot of false alarms can be taken place because of some interference increasing the thresholds some detector s omissions a
20. ted to the receiver control device with six wires cable 8 Rx is mounted on the support 1 using the bracket 2 and two bucles13 Mounting provides the rotation of the unit horizontally at angle 65 minimum vertically upward at angle 30 minimum downward at angle 45 minimum if the bolt 12 is eased Location and marking of the clamps controls adjustment and indication elements located under the cover 6 are shown in fig 6 2 6 2 Tx Construction 6 2 1 Tx construction and its bracket are the same as the Rx construction see fig 6 1 The difference is in internal elements cover 6 clamps controls adjustment and indication elements are absent three wire cables are used instead of cable 8 6 3 MK mounting kit 6 3 1 Mounting kit includes two brackets and four buckles for the mounting on the support of Rx and Tx Beaming direction l support 1item 8 cable 1 item 2 bracket 1 item 9 ring 1 item 3 figured washer 2 items 10 nut M6 1 item 4 base 1 item 11 washer 6 2 items 5 enclosure item 12 bolt M6 16 litem 6 cover 1 item 7 corrugated tube 1 item 13 buckle 2items Fig 6 1 1 indicator PROTECTION 2 thresholding MIN MAX 3 socket TEST 4 AGC button 5 tamper circuit 6 marking of cable cords Fig 6 2 Note Dear user The manufacturer of the detector constantly upgrades their quality and reliability That s why in some lots of detectors one can fi
21. ximum dimensions of the units without a mounting kit mm Tx 211 130 105 Rx 211 130 105 3 15 Maximum weight of the units with a mounting kit kg Tx 1 2 Rx 1 2 4 DETECTOR COMPONENTS The detector delivery kit is 1 Receiver 1 item 2 Transmitter 1 item 3 Mounting kit including Bracket 2 items Buckle 4 items 4 Kit of tools and accessories including Alarm cable Key S8 10 5 Description Manual amp Service Instruction 6 Package 5 DETECTOR STRUCTURE amp OPERATION 5 1 Detector Principle of Operation 5 1 1 The detector is a bistatic microwave detector The principle of the detector operation is to generate an electromagnetic field in the space between a transmitter and a receiver This field provides a volumetric detection zone in the form of a long ellipsoid of rotation see fig 3 1 An intruder crossing a detection zone causes changes of the field All changes of this field are recorded There is the detection zone configuration in fig 3 1 there are given in table 3 1 its crosscuts dimensions for three performances of the detector dependency on the length of a sector with the height 0 85 m of Rx amp Tx mounting 5 1 2 An intruder crossing a detection zone causes the change of the signal magnitude on Rx input The signal passes through the amplifier and is compared with the value thresholds according to the algorithm If the signal s change on Rx input is provoked by a pe
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Forteza200Manual