ST Group SPIDER ST 301, User Manual

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Contents
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5.3 NON-LINEAR JUNCTION DETECTOR (NLJD)………………………………………………………………. 45
5.3.1 General Information………………………………………………………………………………………………………………………………. 45
5.3.2 NJLD Main Menu……………….…………………………………………………………………………………………………………………… 46
5.3.3 Probing Signal Level Setting……….………………………………………………………………………………………………………… 47
5.4 REFLECTOMETER (REF)………………………………………………………………….……………………….. 48
5.4.1 REF Main Menu…………….………………………………………………………………………………………………………………………… 48
5.4.2 Shortening Factor Setting ………………….……………………………………………………………………………………………….. 50
5.4.3 AUTOMATED Mode……………………………………………………………………………..…………………………………………………. 50
5.4.4 MANUAL Mode………………………………………………………………………………………………………………………………………… 51
RECOMMENDATIONS FOR USE ………………………………………………………………………………………………………… 53
6 Types of the Wire Eavesdropping Devices ……………………………………………………………………………………. 53
6.1 Wire Dynamic and Electret Microphones………………………………………………………………………………………………. 53
6.2 High-Frequency Wire Transmitters…….………………………………………………………………………………………………… 53
6.3 Telephone Transmitters…………………………………………………………………………………………………………………………. 53
6.4 Audio Recorder Adapters………………………………………………………………………………………………………………………. 54
7 Basic Operations ………………………………………………………………………………………………………………………………… 55
7.1 Basic operation #1. Detection of LF Signals in Low-Current Cables……………………………………………….. 55
7.1.1 Implementation of Basic Operation #1. Analog Telephone Line Testing …………………………………………… 55
7.2 Basic operation #2. Detection of HF Signals in Power Mains and Low-Current Cables.…………………. 57
7.2.1 Implementation of Basic Operation #2. Power Mains (220 V/50 Hz) Testing ……………………………….…. 58
7.2.2 Implementation of Basic Operation #2. Analog Telephone Line Testing …………………………………………… 60
7.2.3 Features of Testing of the HF Television Cables…………………………………………………………………………………… 61
7.3 Basic operation #3 . Detection of Nonlinearity in the Cable …………….……………………………………………… 62
7.3.1 Implementation of Basic Operation #3. Analog Telephone Line Testing ……………………………….…………… 62
7.4 Basic operation #4. Detection of Heterogeneity in the Cable……………………..………………………………….. 65
7.4.1 Theoretical Aspects of the Reflectometry……….…………………………………………………………………………………. 66
7.4.2 Testing of the Multi-Wire Cable ………………………………………….………………………………………………………………. 73
7.4.3 Testing of the Two-Wire Cable (a Pair of the Multi-Wire Cable) ………………………………………………………. 73
7.4.4 Procedure for Testing of the Two-Wire Cable ………………………………………….………………………………………… 74
7.4.5 Procedure for Testing of the Multi-Wire Cable……………………………………………………………………………………. 75
7.5 Basic operation #5. Localization of the Detected Eavesdropping Devices……………………………………… 76
7.5.1 Acoustic Method of Localization……………………………………………………………………………………………………………. 76
7.5.2 Localization by Means of ST 301 and NLJD………………………………………………………………………………………….. 76
8 Software ……………………….……………………………………………………………………………………………………………………... 78
8.1 General Information............................................................................................................. 78
8.2 LFA………………………………………………………………………………………………………………………………………………………… 80
8.3 WR………………………………………………………………………………………………………………………………………………………… 88
8.4 NLJD………………………………………………………………………………………………………………………………………………………… 96
8.5 REF………………………………………………………………………………………………………………………………………………………… 101
REFERENCE INFORMATION ………………………………………………………………………………………………………………
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9 Controls ……………………………………….……………………………………………………………………….. 111
9.1 Initial Settings………………………………………………………………………………………………………………………………………… 111