RAKSA iDet User manual

RAKSA iDet
SELECTIVE RF DETECTOR
USER MANUAL

All information contained within this manual is subject to change without notice.
Additional information: http://www.ts-market.com
Technical support: [e-mail]
© Copyright TS-Market, 2015. All right reserved.

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Table of Contents
1. Introduction 6
2. Operating Principle 7
3. Operation Instructions 8
4. Battery Charging 9
5. ON/OFF and Operation 11
6. The Main Menu 12
7. Monitoring Mode 13
7.1 Monitoring Mode, when to use 13
7.2 Monitoring Mode, how to operate 13
7.3 Threat Signal Monitoring 15
7.4 Log Review from the Monitoring Mode 15
7.5 Monitoring Mode Settings 15
8. Sweep Mode 16
9. Search Mode 17
9.1 Search Mode, how and when to use 17
9.2 Light and Sound Indication 17

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10. Difference Search Mode 18
10.1 Difference Search Mode, when to use 18
10.2 Difference Search Mode, how to operate 19
11. Monitoring of Digital Signals 19
12. Audio monitoring 20
13. Alarm Events Log 21
14. Settings 22
14.1 Types of Detected Signals 22
14.2 Threshold Levels of Signals 23
14.3 Interface Language 23
14.4 Sound Volume 23
14.5 Alarm Volume 24
14.6 Running Time in Monitoring Mode 24
14.7 Alarm Delay 24
14.8 Rate of Adaptation to Background Noise 25
14.9Frequency bands of cellular networks 26
14.10 Current Time Setting 26
14.11 Settings Reset 26

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15. About device 27
16. Package Contents 27
17. Warranty 27
18. Specifications 28

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1. Introduction
RAKSA iDet Selective RF Detector can be used to detect and locate in near field
a wide variety of surveillance devices, including cell phones of GSM 850 / 900E /
1800 / 1900, UMTS 850 / 900 / 1800 / 1900 / 2100, CDMA 450 (A-H) / 800 / 1900
standards, cordless DECT telephones, Bluetooth and Wi-Fi devices.
Special Features:
signal detection against the background interference
high speed of scanning and analyzing
detection of digital, analog and wideband signals
adaptation to the background noise in Monitoring Mode
difference search mode
audio monitoring through the built-in speaker
signals frequency and level measurement
alarm events log
silent alert signal (vibration mode)
no need for external antenna
interface languages: Deutsch, English, Español, Français, Italiano, Русский

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2. Operation Principle
RAKSA iDet Selective RF Detector is a superheterodyne receiver with low IF and
frequency synthesizer. It provides continuous scanning of frequency range and
analysis of spectrogram peaks. The standard digital signals are identified by their
amplitude-time characteristic.
Scanning and analyzing cycle period is 1.0-1.5 sec. Filtration of short-term noise
requires at least two scanning cycles, so the signal is detected in 2-3 seconds.
Any continuous radio signal with the amplitude modulation index ≤0.5 without
frequency hopping is treated as an analog signal. Such are the analog signals of
AM, FM, PM modulation and digital signals of FSK, PSK and the like modulations.
RAKSA iDet Selective RF Detector can operate within monitoring, sweep, search,
difference search modes and monitoring of digital signals.

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3. Operation Instructions
Radio transmitter detection requires two complimentary steps –search and
monitoring. Search Mode enables to detect and locate the transmitters activated
to the moment. Monitoring Mode provides continuous monitoring of the radio
signals thus the transmitters are detected at the moment of their activation.
Before searching the target area all the radio signal sources should be switched
off (mobile and cordless telephones, Bluetooth, Wi-Fi, microwave ovens). To
activate the transmitters with voice control use any sound source.
Place the RF detector in the center of the room and switch on Search mode.
Gradually approach the probable transmitter locations and watch the possible
change of the signal level. Both light and sound indication can be used –the
closer to the source of signal –the higher is the frequency of flashes. The high
flash increase might indicate a hidden surveillance device.
After verification of the clean area change the mode to Monitoring and place RF
Detector at your convenience. The RF Detector should stay stable to avoid false
alarms. The alarm signal is generated when detection a threat radio signal.
The efficiency of radio signal detection in Monitoring Mode depends on correct
setting of threshold levels. The mobile phones for instance are characterized by

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wide range of signal magnitude. Use the Digital Signals Monitoring Mode to define
the signal levels of mobile and cordless phones, Bluetooth and the like and adjust
the threshold level if necessary. The higher is the threshold level the less probable
is false alarm but distance of detection will lessen as well.
4. Battery Charging
The RF Detector power supply is provided by the built-in Li-Pol battery. If the unit
is used and stored as required the battery resource will provide as much as 500
recharging cycles.
The battery level is shown in the right upper corner of the display. When the
battery is fully discharged Low Battery warning will appear and the device will
automatically shut down. In such a case the battery should be recharged.
Before charging the battery switch off the RF Detector and plug it into the charging
unit. The process of charging of fully discharged battery will take 4-5 hours. The
light signal will be on during the process of recharging and will be off as soon as
the charging process is completed. The charging state will also be indicated on the
display after pressing any button. After the charging is completed unplug the
charging unit.

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Simultaneous operation and charging is possible but the recharging period will
increase. The continual plug-in charging unit might shorten the life cycle of the
battery.
If you don't plan to use the RF Detector for a considerable period of time, please
recharge the battery fully and then repeat recharging it each six months.
To avoid any damage of the RF Detector do not use alien
charging units!

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5. ON/OFF and Operation
To switch the Detector on or off press and hold the button [C/PWR] for more than
one second until you hear the sound signal. After the activation the display shows
the main menu.
The buttons ▲ («up») and ▼ («down») are there to navigate the menu, the list of
signals or to change the selected figures.
With the [OK] button you can call the pulldown menu and select a menu item as
well as verify the choice.
Pressing [C] button you will return to the previous menu or deny the change of the
selected value.
In some cases the menu will require verification. To verify the choice use ▲ or ▼
buttons, select «Yes» and press [OK]. To deny choose «No» and press [OK], or
press [C] button instead.

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6. The Main Menu
The main menu is used for selecting the required
mode of operating or its settings. The menu contains
the following functions:
Monitoring –Monitoring Mode
Sweep –Sweep Mode
Search –Search Mode
Diff. search –Difference Search Mode
Digital signals –Digital Signals Monitoring
Log –Alarm Events Log
Settings –Reviewing and changing of the settings
About device –Information about the device

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7. Monitoring Mode
7.1 Monitoring Mode, when to use
Monitoring Mode provides continuous monitoring of detected analog and digital
radio signals in automatic mode and setting alarm in case of threat radio signal
(signal exceeding the preset threshold level) detection. Monitoring Mode is used in
cases when the primary signal source has not been activated. The information
about the alarm events is recorded in the Alarm Events Log.
Monitoring Mode enables the background noise deduction for analog signals thus
reducing the influence of regular background noise. Slow fluctuations of its level
are ignored thanks to the adaptation algorithm.
7.2 Monitoring Mode, how to operate
If the current time has not been preset the time setting request will appear on the
display (see Time Setting). If you don't set the current time the device starts time
counting from zero.
The Monitoring Mode starts from 2-3 min accumulation of the background noise.
The display indicates the progress of accumulation. If the analog signals have not

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been selected this stage is omitted. Any analog
signal registered at the time of background
accumulation will not be classified later as threat.
After the accumulation the Monitoring Mode is
launched automatically. If the RF Detector does not
detect any threat signals the display indicates “OK”.
If any threat signal is detect the display indicates
“ALARM”, specifying the type of the signal; the
alarm sound is produced as well as vibration.
The next alarm sound will occur only after five
minutes and only for a new threat signal. The alarm
vibration will repeat every five minutes. The current
state can also be identified by the frequency of light blinking: frequent blinking
means alarm.
In the Monitoring Mode the display will go to sleep automatically in two minutes, to
activate it please press any button.

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7.3 Threat Signal Monitoring
Monitoring of any threat signal could be done by pressing [OK] button. To return
to Monitoring Mode press [OK] or [C] button. Monitoring of threat signal does not
interrupt Monitoring Mode.
7.4 Log Review from the Monitoring Mode
To review the Alarm Events Log from the Monitoring Mode please press ▲ or ▼.
If the Log is not empty the display will indicate the last event (see Alarm Events
Log). Reviewing the Log does not interrupt the Monitoring Mode.
7.5 Monitoring Mode Setting
The Settings used in Monitoring Mode are described in detail in “Types of
Detected Signals”, “Threshold Levels of Signals”, “Alarm Volume”, “Running Time
in Monitoring Mode”, and “Alarm Delay and Rate of Adaptation to Background
Noise”.

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8. Sweep Mode
Sweep Mode is used for detection of analog and
digital radio signals of all types. This mode allows
the review of all detected signals regardless their
level.
The display shows the list of current detected signals
classified according to frequency or type of signal. The list starts from the analog
signals with the defined frequency. It is followed by the one maximal signal whit
undefined frequency. The digital signals are at the bottom of the list.
When the signal disappears it is deleted from the list after 10 sec, the display
shows the last significant level of the signal.
To browse the list use ▲ or ▼ buttons. To monitor one selected signal press
[OK]. The audio monitoring in Sweep Mode could be done for analog signals only
(see Audio Monitoring). To return to the list press [OK] or [C].

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9. Search Mode
9.1 Search Mode, how and when to use
The Search Mode is used for detection and location of analog and digital
transmitters. This mode is used when you can move the RF Detector around
searching for a radio transmitter. The types of signals detected are similar to the
ones detected in Monitoring Mode. The selection of detected signals is done
through the menu «Settings -> Signals».
The display indicates the signal that has maximal
strength level. To monitor the current signal press
[OK]. The audio monitoring in Search Mode could be
done for analog signals only (see Audio Monitoring).
9.2 Light and Sound Indication
Search Mode for analog signals utilizes both light and sound indication of the
signal strength: the higher is the frequency of flash the closer is the transmitter.
The search mode for digital signals does not use light signals due to probable
fluctuations of radiation power.

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Relative level means the difference of current and reference levels. Initially the
reference level is set as equal to the current one and the LED does not produce
any flash. When the RF Detector is moved around the frequency of flashing grows
with the growth of relative level. You can set the reference level equal to current
one by pressing ▲ or ▼ buttons.
10. Difference Search Mode
10.1 Difference Search Mode, when to use
Difference Search Mode is used for detection and localization of analog
transmitters. This mode has its advantage in case the transmitter is located in the
same room.
In this Mode the device defines the relative level of the signal —its difference with
the reference spectrum that was fixed at the beginning of operation in this Mode.
The closer to the source of radio signal located in the room the higher is its signal
level in comparison with the outside radio transmitter. The RF Detector selectively
reacts to the change of level thus enabling to locate the radio transmitter at a
higher rate.

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10.2 Difference Search Mode, how to operate
Difference Search Mode starts from 5 sec reference
spectrum signal accumulation. The display indicates
the progress of accumulation. When the
accumulation is complete the display indicates the
analog signal of maximal relative level. To audio
monitor the current signal press [OK](see Audio
Monitoring).
Differential Search Mode utilizes both light and sound indication of the relative
signal level –the higher is the frequency of light flashing the closer is the radio
transmitter.
11. Monitoring of Digital Signals
Monitoring of Digital Signals is intended for detection
of mobile phone signals (GSM, UMTS (3G), CDMA
types), cordless telephones (DECT standard),
Bluetooth, Wi-Fi and other impulse signals in 2.4
GHz. Besides this mode can be used for adjustment
of threshold levels for Monitoring Mode.

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In Monitoring of Digital Signals the display shows the list of all digital signals and
their strength levels. To browse the list use ▲ or ▼ buttons. To monitor one
selected signal press [OK]. To return to the list press [OK] or [C].
12. Audio Monitoring
Audio Monitoring is available only for analog signals
in Sweep, Search and Difference Search Modes
through the built-in speaker. The audio monitoring
facilitates signal identification and allows using the
acoustic feedback. The scanning is interrupted as
the Audio Monitoring requires the fixed tuning for a
signal.
The display indicates the frequency (or the type) and the current signal strength.
The volume is regulated by ▲ and ▼ buttons. To return from audio monitoring
press [OK] or [C].