Object System QM4000 Bus Interface QMI-2 Audio recording
Contents
1. 98 and NT can work but are not officially supported EMC EMI parameters The latest desk top PCs and notebooks are usually fulfilling tough spurious radiation limits and do not alter spectrum analysis results Some older or no name PCs can cause parasite peaks in the frequency spectrum The critical point can be the AUDIO input or the USB interface especially if the USB RS232 converter is used Detection of low quality PC parasite radiation Connect the PC with QMI 2 and MRA 3Q using the purchased cables Switch OFF the PC Manually execute the Spectrum Entry instruction on the MRA 3Q a b c d Set SCAN mode on the MRA 3Q e Switch ON the PC and start QMaster If pre alarms appear on the MRA 3Q after switching ON the PC check the new signals Verify if the real interfering signal source is the PC f The best spurious radiation test is a spectrum analysis done in a radio signal free area e g a deep cellar with no electronic equipment 2 SW installation Insert the QMaster CD into the PC Select language Cestina Czech or English Follow the Setup Wizard do not forget to read and accept the License Agreement In Select Components window select Documentation to install all detailed user manuals and specifications Example Data to enable demonstration of the QM4000 functions without having the real devices QMI MRA 3Q The QMaster icon appears on the screen after successful installation 3 Runni2. for long term operation or external power connector 3V DC The recording interface SCAN R is a compact device consisting of the following components Power supply adapter 230V 0 3A 3 V DC stabilizer for an audio recorder Audio converter of the MRA 3Q line output to the microphone level Input output connectors 5 5 2 1 mm 12 V power Connect to MRA 3Q CHARGER connector 3 5 mm stereo connector Connect to MRA 3Q OPTIONS connector 2 5 0 7 mm 3 V DC power connector middle pole Connect to external power of the recorder 3 5 mm mono connector Connect to the external microphone input of the recorder Before long term monitoring the VOX sensitivity must be adjusted as follows Set VOX sensitivity to start recording when the audio signal appears The VOX has to stop recording when the MRA 3Q returns back to SCANr For more information see the MRA 3Q User Manual section XI SCANT Technical specification of SCAN R ePower voltage 220 240 V AC EN proved adapter eRecorder power 3V DC max 150 mA eMRA 3Q power 12 17 V DC max 150 mA eAudio input 300 mV eff eAudio output 20 mV for recorder microphone input eSize 55x13x11 mm without adapter eWeight 290 g including adapter
3. period default 30 sec is a period of data collection from all connected devices Current device update period default 10 sec is a period of data collection from the selected device which is displayed in the right part of the screen If Record Audio is enabled Audio record length default 10 sec is an audio sample length of the signal which caused an alarm Audio record period default 2 min is the minimal time between any audio samples from the same device After this time another audio sample will be recorded from the same device but from the different frequency channel if more frequency channels are in alarm status at the same time Audio re record period default 10 min after this time a repeated audio sample will be recorded from the same device and from the same frequency channel Confirm required settings by OK button 4 Working with the connected device Click on the device line in Devices section to open dialog window in the right part of the screen Set the cursor over required button or information A help text line tool tip appears to explain the function Left mouse button allows to select items from various lists e g device list or alarms Multiple item selection can be made by holding the left mouse button and moving the mouse cursor over multiple items Alternatively the multiple selection can be made using Cirl button together with mouse clicks A double click activates tuning to corresp
4. Complex protection against eavesdropping Enhanced application of MRA 3Q Object System QM4000 Bus Interface QMI 2 Audio recording adapter SCAN R user manual Read this manual before use Version Q1 2 I Object network system QM4000 QM4000 is an advanced network system for complex protection of an object against eavesdropping The system allows parallel connection of up to 32 MRA 3Q radio analyzers using a dedicated object network QM4000 allows full remote control of each device and supports numerous additional features like spectrum analysis in the range of 36 3600 MHz background statistic new signal statistic automatic audio sampling frequency and spectrum records selective statistic system statistic etc All these features are easily accessible from the QMaster software a user friendly control application with graphical user interface QM4000 is not only a comprehensive solution for object permanent protection but also a very effective tool for specialists since it gives a clear graphical picture of the current RF signals QM4000 allows to detect and record even such dangerous systems like spread spectrum or modified WiFi DECT and GSM 1 Minimal HW configuration CPU Pentium III 500 MHz and higher Memory 128 MB RAM Interface Free serial port RS232 Audio input output supported by the operating system Display resolution min 1024 x 768 pixels Operating system Windows 2000 Windows XP Windows
5. lowing indicators the power is indicated by the red POWER LED the data flow from the devices to the PC is indicated by the yellow LED and the data flow from the PC to the device by the green LED Audio outputs SPEAKER max 0 5W earphone or loudspeaker regulated by the VOLUME knob PC 50mV eff fora microphone input of the PC The level can be adjusted by a trimmer inside the QMI 2 Technical specification of QMI 2 ePC data interface RS 232 UART 16550 and higher eDevice bus RS485 audio line 300mV eff power 12V eNumber of connected devices up to 32 x MRA 3Q eBus length max 1200m parallel line configuration eRS485 termination 120 ohm at the most distant device eNumber of bus wires 3 pairs 6 wires shielding ePower current for MRA 3Q max 1A 32 devices elnput power voltage unstabilized 12 20V DC eAudio filtering 300 3400 Hz eSPEAKER output max 0 5W 4 32 ohm regulated ePC audio output 50 mV eff internally adjustable eSize 115 x 70 x 32 mm eWeight 300g lll SCAN R Recording interface The MRA 3Q set to the SCANr mode can automatically record audio samples of alarm signals without actually using a PC This function requires only a suitable recorder and the SCAN R interface The description of the SCANr function can be found in the MRA 3Q User Manual section XI SCANr Recorder specification 1 External microphone input 2 VOX function recording activation by audio signal 3 Power supply suitable
6. ng the program and Setting Parameters 3 1 Start the program click on the QMaster desktop icon or using the Windows Start Menu Find QMaster folder and select the QMaster icon there 3 2 Connect the QMI 2 interface see QMI 2 user manual and at least one MRA 3Q device The MRA 3Q has to be switched ON and set to SCAN or Autom tuning mode If the MRA 3Q is in any other mode the QMaster can not either control or read the data from the device The QMI 2 has to be powered by 12V DC any adapter 12 20V DC ora battery 3 3 In the main menu File select Preferences Serial port setting check if the selected port number matches the port where the QMI 2 is connected default COM1 The real COM number depends on HW configuration of the PC The USB RS232 converters usually have a higher port numbers To find the corresponding COM set COM1 to COM9 successively and always confirm by OK To speed up this process you can manually set the device ID number by using the Add button After COM port selection press the Scan Bus button in the QMaster window If QMaster finds the connected device the system is ready for use Otherwise select a different port and repeat the process If all ports were tested and the communication always failed check the cables the state of the device and settings of serial ports in Windows A green text or green OK in the communication window indicates the start of QMaster device communication Default update
7. onding frequency in frequency based windows only Right mouse button selects a region for zooming in the background spectrum and history windows 5 Spectrum analysis spectrum display Main menu item Device offers Load spectrum Show spectrum Load spectrum offers choice of all soectrum records stored as files on the disk fsg Note It is very useful to save the spectrum analyses records for future comparison or like a reference Add suitable name to the file place time situation etc By default QMaster saves the last analysis to freq fsg file Show spectrum is displaying the last spectrum selected from the memory or the last spectrum analyses result 6 Help user manuals dialog windows The basic user information are available in the main menu Help Contents F1 The help text line tool tip always appears when the cursor stops over a button or over a function window for a while The detail user manual with dialog windows is available in the Start menu Set Start menu Programs QMaster Documentation QMaster Manual CZ or EN CZ Czech EN English Other documentation and specifications MRA 3Q QMI etc Set Start menu Programs QMaster Documentation Other DOWNLOADS select required document in Czech or English 7 QMaster DEMO The DEMO option of QMaster works without limitation for first 10 days After 10 days the program is running 5 minutes only and the spectrum analy
8. sis works only to 110 MHz instead of 3600 MHz ll Bus interface QMI 2 QMI 2 serves to connect a master PC to the QM 4000 system The PC is connected to QMI 2 via a D sub 9 connector RS 232 and a 3 5mm audio jack The QM 4000 bus is connected to another D sub 9 labeled DEVICE BUS on QMI 2 The bus carries the following signals 1 Supply voltage for MRA 3Q devices 12 17V 2 RS485 signal pair with proprietary data protocol 3 Audio line switched on selectively by MRA 3Q Layout of the device bus QMI MRA cable CAN 9 pin Wire color Signal MRA 3Q 1 yellow AUDIO OPTIONS middle 2 gray GND CHARGER 3 white GND CHARGER 4 red 14 V CHARGER 5 NC 6 shield GND CHARGER 7 green RS485 OPTIONS right channel 8 orange RS485 OPTIONS left channel 9 NC When extending the bus the following wires should be paired audio 1 and 2 power 3 and 4 RS485 7 and 8 A non stabilized DC adapter 12V 0 3 1A shall be connected to the POWER connector the maximum current depends on the number of devices on the bus The bus can be as much as 1200m long wired from one device to another If the bus is longer than 20m it is necessary to use a termination resistor at the most distant device 120 ohm connected between the green and the orange line i e RS485 and RS485 The RS232 cable used for connection of QMI 2 to the PC should not be longer than 8m The length of the audio cable to the PC 3 5mm jack is not critical QMI 2 contains the fol
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