Audiotel International Scanlock ECM Скачать руководство пользователя страница 33 | Manualshive

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Содержание Scanlock ECM

Страница 1: ...w Road Weldon Corby NN17 1DZ England Tel 0 536 66677 Tlx 341775AUDINTG Fax 0 536 66711 Copyright 1991 Audiotel International Ltd The contents of this publication may not be reproduced in any manner or...

Страница 2: ...h i n g O n 4 G e t t i n g T o K n o w Y o u r S c a n l o c k E C M 5 S u m m a r y o f C o n t r o l s I n d i c a t o r s a n d O u t p u t s 11 Front Panel 1 0 M H z I n p u t 1 1 S S S S t r o n...

Страница 3: ...K 7 0 6 R F S C A N L O C K 7 0 7 C F S C A N L O C K I 7 0 8 M C S C A N L O C K I 7 0 9 s t e p s i z e a d j u s t m e n t 1 7 1 0 R F m i n a d j u s t m e n t I 8 1 1 R F M a x a d j u s t m e n...

Страница 4: ...e l c h C o n t r o l s 2 5 L O W E R 2 5 U P P E R 2 5 C h e c k i n g Te l e p h o n e C a b l e s f o r R a d i o D e v i c e s 2 6 Continuous Protection Against Eavesdropping D e v i c e s 2 7 I...

Страница 5: ...ion o r Fothes e sLa on canlock s SCAN mode is used Due to Scanlock s Phrtcrtjd send PP the VAN ooeration is very quick The extra sensrtMty gained through SCAN control oTeSc tn S rac cal7o nitially mo...

Страница 6: ...the guqrantee period moy invqlidqte the guqrqntee Training Transmitters A conventionol transmitter together with o mqins carrier transmitter are invaluable aids in gain ing familiarity with the opera...

Страница 7: ...needs to be returned to Audiotel Be fore despatch of any equipment to Audiotel the Soles department must be contacted The address telephone telex and fax numbers are listed at the front of this manua...

Страница 8: ...th international safety standards When correctly connected this grounds the chassis of the unit To avoid the possibility of injury or death the chassis via the cable supplied must be grounded before A...

Страница 9: ...tery test and display the condition for about 3 seconds Switch Scanlock ECM on The front panel display will be as figure 1 m a t 3 3 m o i l 07 L CD llLxxllli S v ss sw CD SCAU cT CD1 W333a3p C D itii...

Страница 10: ...cess into operating modes and the CONFIGURATION MODES menu which allow the user to set specific parameters for a sweep Rotating the TUNE control anti clockwise toggles between these two menus Rotating...

Страница 11: ...UNE control one step clockwise to mode 02 RF SCAN FM and press MODE button Display should be as Figure 4 with the RF SCAN and FM leds illuminated KKSKKKKsiiK SSBrKSK i i 7 O O C D i viiiii P 77 7P77 7...

Страница 12: ...O 3mm333 C D 355 111111 cd lI L x Dl o o iiii C D c CD 3Jp ppyppJJ3 PPPPJp y PPyy yy P y i y SIGNAL P 7P yyp yipyp scan step 05kHz LOCK enters 09 i l l l l yppy y y p y y y y y y iifiSKKi W fyM SCANLO...

Страница 13: ...II IMII t IIIIIMIIH lll lll llllllltlH limit wltHllt t 11 tltlt Hl ilMMIIMI ilMlllllilllilllllllllMI iln j vA y M _Ji aj Mft H K VK K Figure 6 We have now changed the step size for RF SCAN Press the M...

Страница 14: ...has changed from 001 kHz to 005kHz Other step sizes can be set in MANUAL tune mode by using the MODE button in conjunction with the 8 buttons in Figure 8 1kHz 2kHz 5kHz 10kHz L L L X L L P P P0 0i 7P...

Страница 15: ...step size 4 AM Manual selection control of AM Amplitude Modulation demodulation Allows AM signals to be listened to The second function of this control is manual tune 20kHz step size 5 FM Manual selec...

Страница 16: ...connection of headphones fitted with a 1 4 stereo jack plug 15 Lower Squelch This control adjusts the squelch level thct is when a signal is below the level set the audio output of the Scanlock ECM i...

Страница 17: ...z Input for signals lower than 10 MHz Use either Scanlock low frequency antenna or Scanlock low frequency interfcce Rear Panel refer to figure C 1 Remote Alarm Remote alqrm socket for connection of re...

Страница 18: ...n 10MHZ and 1 8GHz As the design of a receiver with the capabilities of Scanlock ECM is extremely complex the two bands have separate antenna inputs these being 10MHz and 10MHz respectively In the 10M...

Страница 19: ...k Tone In the lock mode the Scanlock ECM emits a steady tone at about 2kHz If there is an eavesdrop ping device in the area rt will pick up this signal through rrs microphone and therefore transmlt t...

Страница 20: ...Locate mode may be selected When in Locate mode the Scanlock ECM emits a Geiger click whose frequency increases with increasing field strength When the Scanlock ECM is moved closer to the eavesdroppi...

Страница 21: ...is scanned 0 4 M C S C A N F M In the RF and CF modes the Scanlock ECM is looking for devices that use free space as the propagation medium It is possible however that eavesdropping devices could use...

Страница 22: ...r in CF mode due to the direct signal conversion technique of the CF mode eoch signcl in the bqnd will have only one point at which the signal is tuned to and as such the step size adjustment is consi...

Страница 23: ...an exotic form of modulation which is not readily detectable using the Scanlocks demodulators To identify such devices correlation techniques ccn be used When the Sccnlock has acquired q signal the u...

Страница 24: ...evice Now follow location procedure Direct As the Scanlock ECM is moved around the area observe the field strength Listening display 6 and listen to the audio output from the Scanlock ECM Switch betwe...

Страница 25: ...rength display 6 Move Scanlock and its antenna about the area in the direction of increas ing field strength and hence increasing intensity and pitch of the locate tone Progressively collapse the ante...

Страница 26: ...ow frequency interface opposite end to antenna lead D Select Cable on low frequency interface Select the preset mode required MC SCAN LOCK or MC SCAN FM Step 2 Ploce Sccnlock close to cable to be chec...

Страница 27: ...ively disconnect electrical items and turn lights off to locate device If this does not locate the device then move a sound source a colleague talking or some tape recorded music etc around the room u...

Страница 28: ...measure the frequency of the signol If the Sccnlock ECM is in any other SSS mode AM FM or SC the user must first lock to this signal by pressing the MANUAL button If the MANUAL button is pressed agai...

Страница 29: ...threshold is exceeded and thus the audio output restored As the field strength is on average greater nearest to a transmitter then the squelch control can be progressively advanced to limit the audio...

Страница 30: ...device connected to the line To eliminate the telephone instrument replace it with a known clean instrument Re peat the test If the condition persists then this suggests that the device is not inside...

Страница 31: ...de listening for any audio that originates from the sensitive area This is repeated for SC and AM in turn This procedure should be repeated at intervals throughout the duration of the sensitive meetin...

Страница 32: ...larm Lead B LF Antenna C HFAntenna Lead J __BEBB HHa SE E N D BNC BNC Lead M Telephone Interface Antenna J Low Frequency Interface _eaCj c C 3 b z g L Telephone Interface Audio Lead E Remote Alarm H P...

Страница 33: ...2 9 OiOi OLL 7 FIGURE B Scanlock ECM Operating Manual Issue 3 4...

Страница 34: ...30 FIGURE C Scanlock ECM Operating Manual Issue 3 4...

Страница 35: ...3 2 Notes Scanlock ECM Operating Manual Issue 3 4...

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