Selcom ST 400 Cayman Operating Manual Download Page 1 | Manualshive

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NONLINEAR JUNCTION DETECTOR

ST

400 (

402

)

‘CAYMAN’

OPERATING MANUAL

English

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2
3
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Summary of Contents for ST 400 Cayman

Page 1: ...NONLINEAR JUNCTION DETECTOR ST 400 402 CAYMAN OPERATING MANUAL English ...

Page 2: ...odes 25 1 6 Structure 25 1 6 1 Antenna Module 26 1 6 2 Main Unit 27 1 6 3 Telescopic Arm 27 1 6 4 Controls 28 2 Use 28 2 1 Preparation 28 2 2 Adaptive Mode 29 2 3 Operational check with test dummies 30 2 4 SEARCH Mode 30 2 5 Listening Audio Mode 32 2 6 Program Updates 34 3 Electric Power Supply 35 4 Operating Restrictions 35 5 Storage and Transportation 36 6 Warranty 36 ...

Page 3: ...location It also enables one to distinguish between return signals from real semiconductors and other kinds of responses such as those given by corrosion or metal oxide metal structures 1 2 Delivery package ST 400 Cayman comes in a shockproof case that contains the following The electric charger and headphones are lodged at the bottom underneath the device Item Quantity No in Fig 1 ST 402 Cayman N...

Page 4: ... return Their primary search targets are electronic devices and those typically consist of circuit plates with conductive elements and various semiconductor parts connected to them such as diodes transistors and microchips The probing electromagnetic radiation induces variable electromotive forces in these loops and electronic components with a non linear current voltage curve transform the initia...

Page 5: ...ise the effectiveness of search Engaging this mode is necessary every time the device is switched on It is advisable to pause during searches from time to time to repeat this procedure During adaptation the antenna must be pointed away from electronics and large metal objects 1 6 Structure Structurally the ST 402 Cayman NLJD consists of the main unit and antenna module that are connected with a te...

Page 6: ...he clamp by turning its handle counter clockwise as shown in Fig 3 then adjust and lock by turning the clamp handle in the clockwise direction Fig 3 Do not try to change the antenna incline with the clamp locked you may break the hinge joint Fig 4 On the antenna surface facing the operator there are an indicator panel a socket for the power and control cable and a USB port for computer connection ...

Page 7: ...r batteries closed with a metal cap 4 Fig 2 On the left side of the main unit are a headphone socket 11 Fig 2 and a power and volume knob 12 Fig 2 and on the right side there is a shield bearing the name of the device its serial number and the name of its manufacturer company 13 Fig 2 Also on the right a speaker grid can be found 14 Fig 2 The main unit s body hosts electronics controlling the devi...

Page 8: ...rked and 1 and 3 Fig 7 are for tuning the device Depending on the mode they allow in the SEARCH mode increasing and decreasing the receiver sensitivity respectively in the AUDIO mode setting the desired frequency combination Fig 7 2 USE 2 1 Preparation Take the device and rechargeable batteries out of the case Examine the main unit antenna cable and socket for mechanical damage Examine the batteri...

Page 9: ...EARCH mode is selected automatically at startup Upon activation of the device one or more LEDs of the signal level gauge bars 1 3 Fig 4 may light and go out spontaneously This would mean that the device should need to be adjusted to the electromagnetic environment using the adaptive mode 2 2 Adaptive mode To activate this mode press and hold for 3 4 sec the MODE button 2 Fig 7 on the main unit con...

Page 10: ...t can be put to use When activated the device starts up in SEARCH mode and the receiver gain is by default set to maximum which is displayed by 5 lit segments of the TUNING indicator The SEARCH mode is the primary operation mode for ST 400 The operator can change the receiver gain at his discretion thus increasing or decreasing the detection range The gain can be varied discretely with an 8dB incr...

Page 11: ...ar light up the gain should be decreased in order to establish the exact location of the responding target The primary task for an NLJD is the discovery of eavesdropping devices whose giveaways are the signals returned by semiconductor containing electronic components and by MOM structures on casings at junctures etc Therefore particular attention should be paid to scanned areas where responses ha...

Page 12: ...ency combination 0 is set by default it is meant for probing semiconductor content and as a rule gives good results in identifying active radio transmitting and sound recording devices Frequency combination 1 is used to analyse return signals from MOM metal oxide metal structures The remaining four combinations are auxiliary Their use is advised when responses have been observed in the SEARCH mode...

Page 13: ...MOM structure 1 crackling creaking none active electronic devices unencoded transmission channel 0 2 5 audible response to tapping or test sound sounds of the environment active electronic devices encoded transmission channel 0 2 5 peculiar signals caused by the operation of the device and independent of sounds in the environment peculiar signals caused by the operation of the device and independe...

Page 14: ...ur ST400 set it to SEARCH then press and hold it for 3 seconds The three INPUT LEVEL bars 4 5 and 6 Fig 4 will light up with the number of lit LEDs indicating the current version in the format R B W red blue and white For example if 1 red 2 blue and 5 white LEDs are lit up then the current version is 1 2 5 Press any button to exit this mode Firmware update procedure The newest firmware version wit...

Page 15: ...e charged with the charger included in the delivery package The charging time of a fully discharged battery is 3 hours As these batteries are free of memory effect incomplete charging is acceptable but the running time will then be shorter The following is not allowed long term storage of discharged batteries long term storage of batteries at low temperatures short circuiting battery contacts subj...

Page 16: ...ly with medium level requirements per GOST В20 57 310 76 while the ambient conditions must correspond to those specified by GOST В9 003 80 for open air storage 6 WARRANTY The manufacturer guarantees compliance of every manufactured item with all the requirements as per technical specifications within 12 months of the date of purchase During the warranty period the manufacturer guarantees free of c...

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