«LORNET-36»
Contents
1. of charger while charging After full battery charging red light is turning off and green light illuminates Charging time of completely discharged operative accumulator does not exceed 5 hours 4 7 Wireless telephones consist of a receiving device and earphones Appearance of a receiving device and position of control units are shown in Fig 5 Operating order of a receiving device Using a mains adaptor included into delivery set make full charging of a built in battery by charge indicator Use of another mains adaptors are forbidden 2 Connect head phones through a corresponding socket of a receiving device 3 Turn a receiving device ON by a slide type switch control by a turn ON indicator 4 Using volume control set comfortable volume level 5 Ifa receiving device is turned on when the detector Lornet 36 is off then there is only a noise signal in the head phones at higher volume After turning on acoustic indicator signals corresponding to operating mode of the detector appear in the earphones THe30 Ja IOTKJIIOdSeHHSY Tezeonos JITHmHKaTop Bkrouenus CBeTHTC ru BKJIIOdeHHID CHARGE 7 POWEX 1 He3O cereBoro aaTTeDa PeryjToD TpOMKOCTH THrkaTOD 3apsuia cBerurcs BO Bpews sapaa J gwxkonbrii BEIKJIIOdaTeJIP Fig 5 5 Safety Measures 5 1 By requirements of electric safety the detector is referred to protection class 1 5 2 Persons having taken instructing for safety measures while operating electr2. ULTRAHIGH FREQUENCY DETECTOR OF SEMICONDUCTOR COMPONENTS NON LINEAR JUNCTION DETECTOR LORNET 36 USER MANUAL USER MANUAL 1 Introduction A handheld detector of semiconductor components LORNET 36 further the detector is used for search and detection of electronic devices both in active and switch off state Operating of the detector is based on the property of semiconductor components re emit the 2 and the 3 harmonics when radiating them by a probing UHF signal It is assumed that maximum response time of semiconductor components of artificial origin is at the 2 harmonic of the probing signal When radiating oxide films of natural origin maximum response time is at the 3 harmonic of the probing signal LORNET 36 detector enables to make analysis of the response time of the objects radiated both by the 2 and the 3 harmonics of the probing signals giving the possibility to identify electronic devices and natural oxide semiconductors reliably LORNET 36 finds the best receiving frequency channel free from noise automatically enabling to operate the device in complicated electromagnet conditions Digital processing of a demodulated signal used enables to get maximum sensitivity Using of parabolic antenna having great amplification coefficient 20dB at a frequency 3600MGz allowed to increase detecting distance of the nonlinear components and provide their exact localization in area For more handiness the detec
3. ated signals of the 2 and 3 harmonics is made by an operator in turn 4 Display of levels of a detector power 1 signals of the 2 2 and 3 3 harmonics Fig 2 Fig 2 4 2 Hinge joint of the receiving transmitting antenna unit with a knob is designed for transformation the unit into transportation position see Fig 3 Besides it helps an operator to fix antenna position convenient for search BLUETOOTH Non Linear Junction Detector Fig 3 1 A knob of a hinge 2 Hinge joint 4 3 A control panel is used to control operating of the detector It consists of a case combined with a battery and fixed on the telescopic arm A control board buttons for operating modes control and display LEDs are in the case Control buttons are divided into two groups by functional feature AUDIO placed in the upper half of the panel and POWER RF in the lower part Control panel is shown in Fig 4 Fig 4 1 Indicators and LSTN button for switching of acoustic display to output on the 2 or 3 harmonics 2 OUT button and indicators for switching acoustic output to earphones or a built in loudspeaker 3 RF button and indicators for switching emission types of a probing signal CW continuous PULSE pulse 4 The following buttons are referred to POWER RF group indicators and PWR button for turn on off a transmitter of the probing signal When it is turned on an automatic mode of output power
4. control AUTO is set by default To switch over to a manual mode of output power control MNL press one of LEVEL buttons when a transmitter is turned on To return to an automatic mode turn a transmitter off and then turn it on 5 6 Indicator and ATT button for control of frequency receivers of the 2 and 3 harmonics Luminescence of each LED indicates reduction of receivers frequency at 4 dB Hence maximum frequency reduction by an ATT button can arrange 20 dB 7 8 LEVEL buttons for control of emitted signal power in MNL mode It is possible to set required power level by pressing LEVEL button in AUTO mode before a probing signal transmitter is turned on 9 10 Volume buttons for volume control An indicator functions of control panel Continuous light of the indicator corresponds to ON position absence of light OFF position Simultaneous flickering of all indicators on the panel shows that a battery is discharged it needs to be replaced 4 4 On the side surface of the control panel see 1 in Fig 5 a slide type power switch is placed A slide position corresponding to ON is marked by a contrast point 4 5 Batteries charging is made by a mains adaptor and mains charger for batteries included into delivery set Use of other charging devices is not permitted It is necessary to put the pin cutoff point into detector handle butt end 4 6 When switching charger into plug socket the red light illuminates on case
5. d life time is 6 years 3 3 If the device fails during warranty period provided the customer follows all rules for operation transportation and storage the manufacturer is to make repair free of charge or replace the device 3 4 Warranty does not cover power elements
6. dicator LEDs by the 2 harmonic of the signal reflected While rapping a supposed place of p n transition readings of LEDs do not change 7 7 When natural p n transition is found there is stable light of LEDs of indicators by the 3 harmonic of the signal reflected While rapping the surface examined intensively readings of indicators by the 3 harmonic do change as a rule The search technique offered does not contain all nuances in exact cases and it is a recommendation only CERTIFICATE 1 General 1 1 Before operating study User Manual for LORNET 36 thoroughly 1 2 The Certificate is included to the delivery set and should be always near it 1 3 If the device is sent for repair or other place during operation the Certificate is to be passed with the device 1 4 Marks in the Certificate should be done in time 1 5 All records in the Certificate should be made by ink only distinctly and carefully Erasures blots and corrections unauthorized are not permissible 1 6 It is forbidden to make any notes or records on fields and a cover of the Certificate 2 Delivery set A receiving transmitting antenna unit with control panel A DOT for a battery A mains A mains adaptor Wireless phones included a receiver and earphones User manual Certificate 1 a 1 Option 3 Warranty 3 1 Warranty period of LORNET 36 detector is 24 months upon supply to the customer 3 2 Expecte
7. ic devices and measuring devices with open radiators of RF energy are permitted to work 5 3 Density level of power flow UHF radiation of Lornet 36 is shown in Table Distance ag Distance max Measurement Mode uW 2 uW c m Maximum Pulse 3 6 9 36 radiation direction CW 44 1 77 8 Backward Pulse 0 19 1 7 semisphere 0 3m CW 1 88 Tael Note data received using electromagnetic radiation indicator P3 31 5 4 Direction of the antenna at people nearby on being under radiation is not recommended 6 Operating Order 6 1 Remove the detector from the package charge a battery if necessary While transporting the device at negative temperature it is necessary to keep the device at room temperature not less than 30 min not turning the device on 6 2 Turn LORNET 36 on by a power switch placed on the knob At that 2 and 3 indicators on the control panel light indicating that power of the detector is turned on One yellow LED should light on the antenna unit a circle scale of power indicator of the probing signal Its initial position corresponds to maximum power of the probing signal Here a probing signal transmitter is off it is turned on after pressing PWR button only Indicators of the 2 and 3 harmonics should not light flashing of the first LEDs of 2 and 3 of scales is permitted 6 3 Turn a probing signal transmitter on pressing PWR button Here a pulse mode of the transmitter and an a
8. iving transmitting antenna unit combined with an indicator 3 Control panel with a built in battery 4 A parabolic antenna Wireless earphones chargers and additional batteries are not shown in the figure 4 Purpose Of Basic Units Of The Detector 4 1 A receiving transmitting antenna unit with built in LED indicators is used for 1 Analysis of interfering load of receiving path of the device which is made at each turn on of the detector transmitter also automatic selection of optimal channel of detector work Therefore during operating when an interfering signal appears under complicated electromagnet conditions it is necessary to turn the detector transmitter off and then to turn it on from time to time hence selecting optimum frequency automatically enabling the best sensitivity and detection range of semiconductor components 2 Formation of UHF signal receipt and digital processing of the 2 and the 3 harmonics of radiation frequency Simultaneous display of signal levels of the 2 and the 3 harmonics enables to differ signals of artificial semiconductors which are a part of electronic devices from natural corrosive ones appearing at oxidation of connecting points of various metals for sure 3 Demodulation of response time of the 2 and 3 harmonics their amplifying to the level required for tapping both to earphones and inner dynamic The possibility to control amplification at 20 dB is provided Tapping of demodul
9. onding button on the control panel and turn wireless phones on Attention 1 Do not direct the antenna towards an operator and people nearby 2 While operating the device observe state of batteries constantly replacing them in time by the indicator signal The device must be kept in a charged state 3 Charging should be done in a charger only included to the delivery set 4 Use of undue chargers are forbidden 7 Search Recommendation 7 1 If possible remove electronic devices from the room examined If it is impossible examination should be done at decreased power emitted 7 2 Set maximum power emitted and one of the operating modes of the receiver 7 3 Direct an antenna on the surface examined using laser spot Slowly moving antenna unit parallel to the surface examined and changing orientation of antennas analyze change of nature of the signal received by the 2 and 3 harmonics by the indicator visually aurally click repetition rate should be maximum 7 4 Analysis of levels of the receiving signal reflected by the 2 and 3 harmonics is made by number of LEDs lit on the corresponding indicator scale 7 5 Remove antenna unit from the surface examined or decrease output power and repeat measurements stated in cl 7 4 of the present manual Decrease receivers frequency by using ATT button for more exact localization and anti jamming 7 6 When artificial p n transition is found as a rule stable glowing of the in
10. tor is equipped with laser illuminating the spot the antenna is directed on There are two types of the signals emitted 1 Pulse modulation of carrier frequency with on off time ratio of 160 Pulse 2 Pulse modulation of carrier frequency with on off time ratio of 20 CW CW mode is intended for listening of the detected signal by earphones in order to expose functioning analog radio microphone and to use effect of acustic feedback for easy search Mode of automatic control of output power simplifies actions of an operator LORNET 36 can display signal levels of the 2 and the 3 harmonics at LED panel simultaneously Besides level of the 2 or the 3 harmonics can be estimated in turn aurally by click repetition rate reproducing via a built in loudspeaker or wireless earphones 2 Technical Parameters 2 1 Types of the signal emitted 3 Pulse modulation of carrier frequency with on off time ratio of 160 Pulse 4 Pulse modulation of carrier frequency with on off time ratio of 20 CW 2 2 Carrier frequency is fixed with pitch of 13 MHz within 3581 5 3607 5 MHz Frequency selection is automatic Possibility of emitting at carrier frequency with minimum noise in a path of the receiver of the 2 harmonic is provided 2 3 Maximum emitting power with on off time ratio of 160 Pulse no less than 18 W 2 4 Maximum emitting power with on off time ratio of 20 CW no less than 12 W 2 5 Emitting power is controlled automaticall
11. utomatic mode of signal power switch on Probing signal power changes according to signal level at the input of the receiver 2 harmonic In the given mode sound information of the 2 harmonic signal response is put to the dynamic or head phones After turning 3 mode by pressing LSTN button automatic regulation of output power of the receiver will occur depending on signal level at the input of the receiver 3 harmonic Sound information of the 3 harmonic signal response is put to the dynamic or head phones To switch over to manual mode of power control of the probing signal MNL indicator lights press one of LEVEL buttons after a probing signal transmitter is turned on Turn a probing signal transmitter off and then turn it on by pressing PWR button for reverse switch over If necessary to tap a response signal by the third harmonic turn 3 mode on using LSTN button on the control panel Normally while operating in rooms with a lot of electronic devices decrease level of the probing signal for 2 4 points counterclockwise from the initial one Optimum level of the probing signal is reached by experimental way 6 4 Simultaneous flashing of all indicators on the control panel indicates that a battery is discharged and need to be replaced urgently At that power should be turned off and a battery replaced 6 5 If a response signal for telephones needs to be tapped switch over acoustic indication in a mode of head phones for that press the corresp
12. y or manually Dynamic control range is 22 dB from maximum value of output power and is separated into 11 levels 2 6 The amplification coefficient of transmission antenna on frequency 3600 MHz no less than 20 dB the width of diagram direction on level minus 3 dB does not exceed 16 degrees 2 7 Sensitivity of receivers no less than minus 110 dBm first LED illuminating 2 8 Tuning frequency of receivers is equal to double and triple frequencies of receivers and amount 72163 7215 MHz and 10744 5 10822 5 MHz 2 9 Dynamic range of the receiving path is less than 40 dB 2 10 Time of continuous operating with built in lithium Ion battery at maximum emitting power is not less than 3 hours for pulse mode Pulse and 2 hours for CW mode CW 2 11 Weight of the device equipped does not exceed 1 6 kg 2 12 Operation condition ambient temperature 3 40 eC pressure is not less than 450 mm of mercury 3 Structure Of The Device Design And Accessories 3 1 The device consists of the units and accessories listed in the Table Name 1 A receiving transmitting antenna unit combined with a ra control panel and built in lithium Ion battery 1 2 A charger for batteries 3 A mains adapter for charger oe 4 Wireless telephones radio receiving device and a headphones 1 5 User s manual and passport 1 6 Package p 1 Appearance of the device is shown in Fig 1 where LED indicator 2 A rece
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