FM-SPY-T FM Sound Broadcasting Analyser USER‘S MANUAL FM-SPY-T Manual E; january 2005 e-mail: mail@mediaengineering.com web: www.mediaengineering.com www.me-tun.com www.fm-spy.com MEDIA ENGINEERING Markus Stocker ∗ Professional Broadcasting Systems ∗ Rainstr. 15 CH-8104 WEININGEN (ZH) ∗ Switzerland ∗ Phone: +41 1 750 66 88 ∗ Fax: +41 1 750 66 91 mail@mediaengineering.com ∗ www.mediaengineering.com ∗ www.fm-spy.com ∗ www.fm-spy.
FM-SPY-T USER`S MANUAL MEDIA ENGINEERING wants to thank you for selecting this MEDIA ENGINEERING product. For optimum performance and installation we recommend to read the following instructions carefully. In case of difficulties please contact one of our distributors or the manufacturing company. Manufacturers address: MEDIA ENGINEERING Markus Stocker Rainstrasse 15 CH - 8104 WEININGEN (ZH) Switzerland Phone Fax E-mail Web : : : : +41-1-750-66-88 +41-1-750-66-91 mail@mediaengineering.com www.
FM-SPY-T USER`S MANUAL MEDIA ENGINEERING Markus Stocker Rainstrasse 15 CH - 8104 WEININGEN (ZH) Switzerland Phone : Fax : E-mail : +41 1 750 66 88 +41 1 750 66 91 mail@mediaengineering.
FM-SPY-T USER`S MANUAL CONTENT A. INSTALLATION INSTRUCTIONS .....................................................................................6 A.1. SAFETY CONDITIONS ..................................................................................................6 A.1.1. ELECTROMAGNETICAL INTERFERENCE ......................................................................7 A.1.2. ENVIRONMENT TEMPERATURE......................................................................................7 A.1.3.
FM-SPY-T USER`S MANUAL C.3. STARTING THE FM-SPY APPLICATION....................................................................30 C.4. THE FM-SPY COMPUTER PROGRAM .......................................................................31 C.4.1. INTRODUCTION & OPERATIONAL CONCEPT .............................................................31 C.4.1. DESCRIPTION OF THE MAIN MENU POINTS ...............................................................32 C.4.1. DESCRIPTION OF THE DIFFERENT MEASUREMENTS .........
FM-SPY-T USER`S MANUAL A. INSTALLATION INSTRUCTIONS A.1. SAFETY CONDITIONS After removing any housing parts and electronic assemblies it’s possible to get access to live parts. It‘s essential to ensure that the subsequent safety rules are strictly observed: Servicing of electronic equipment must be performed by qualified personnel only. Before removing covers the equipment has to be switched off and the mains cable unplugged.
FM-SPY-T USER`S MANUAL A.1.1. ELECTROMAGNETICAL INTERFERENCE In case the FM-SPY-T is installed and operated in a strongly electromagnetical disturbed environment, signals of interferences can occur during reception of the FM Band. A.1.2. ENVIRONMENT TEMPERATURE Preferably install the equipment in a dry location with approximately 20 centigrades (room temperature) of ambient temperature. The ambient temperature has a large influence on the contrast of the LCD display. A.1.3.
FM-SPY-T USER`S MANUAL A.2. INSTALLATION PROCEDURE Place the FM-SPY-T FM sound broadcasting analyser in a horizontal position, and do not place anything heavy on it. Never bring a magnet or magnetized objects near the device, because such will adversely affect the performance of the FM-SPY-T. Should it be necessary to change the sampling rate of the digital audio output to another value than the factory set 48kHz please refer to chapter A3.
FM-SPY-T USER`S MANUAL A.3. SETTING THE SAMPLING RATE FOR THE DIGITAL AUDIO OUTPUT The AES/EBU digital audio output on the rear side of the FM-SPY-T is featuring a sampling rate of 48kHz. This sampling rate is factory set and marked on the rear panel as such. In case this is not the propre sampling rate for a given application it’s possible to choose one of three other values: • 32kHz • 44.
FM-SPY-T USER`S MANUAL 10. locate the two jumpers J1 and J0 according to the PCB layout drawing: jumper J1 jumper J0 11. choose the new sampling rate and select the propre jumper setting: J1 fs 96 kHz 48kHz 44.
FM-SPY-T USER`S MANUAL 12. put the output amplifier board back into the FM-SPY-T. Make shure the 22pin connector fits right into the socket underneath the cutout in the metallic shielding. The board is placed perfectly if there shows up an air gap between the board and the side wall of the FM-SPY-T of approximately 0.5mm 13. put in place the three black M3 screws in order to hold down the output amplifier board. Make shure the propre screws with the half spherical head are used 14.
FM-SPY-T USER`S MANUAL A.4. CABLING Connect an antenna cable to the “RF Input A” or “RF Input B” socket of the FM-SPY-T. These inputs are featuring F-type connectors (female chassis receptacles) with 75Ω impedance. switch OFF-POWER-ON RF Input A RF Input B AC mains input FM-SPY-T (back view) A matching coaxial antenna cable is needed. Contact your FM-SPY-T dealer for advice on a suitable cable to use.
FM-SPY-T USER`S MANUAL B. OPERATING INSTRUCTIONS B.1. BASIC OPERATIONS B.1.1. STARTUP SEQUENCE After proper installation of the FM-SPY-T (refer to A.2. INSTALLATION PROCEDURE on page 8), flip the “OFF-POWER-ON” switch on the rear side to the “ON” rsp. upper position in order to start up the device. Upon power on, FM-SPY-T enters the initialization sequence and displays the firmware version information on its LCD display (screen 1). FM-SPY-T R1.
FM-SPY-T USER`S MANUAL B.1.3. THE INITIAL STATE FM-SPY-T is memoryzing its settings during power-off and will - upon power up - display and tune to the frequency that was received just before power was lost or switched off. This frequency will be displayed in the top left position of the display after the startup sequence as shown in “screen 2”. 102.
FM-SPY-T USER`S MANUAL B.1.4. TUNING IN TO A SPECIFIC FREQUENCY When the FM-SPY-T is powered up and waits in the INITIAL state (refer to section B.1.3: INITIAL STATE on page 14), the desired frequency, e.g. 103.250 MHz, may be inputted directly. There is no need to step through menu functions in order to get to a tuning menu. Under the condition, that the antenna input in use is already set properly (otherwise refer to B.2.6.
FM-SPY-T USER`S MANUAL B.1.5. SAVING A PRESET Out of the INITIAL state of FM-SPY-T (refer to section B.1.3: INITIAL STATE on page 14), press the SAVE/MENU button once (the arrow in keypad 3 points to the SAVE key), 1 2 4 5 ↑PGM ↑25kc 3 LOAD DISP 6 0 LO/RE SCAN 7 8 9 SAVE ↓PGM ↓25kc ANTA/B MENU SAVE key keypad 3: INITIAL STATE whereupon “screen 4” will appear on the LCD display and the FM-SPY-T will ask for a preset number, in order to know where to save the preset.
FM-SPY-T USER`S MANUAL B.1.6. LOADING A PRESET Loading (restoring) a preset is similar to saving one. On the keypad the LOAD button (the arrow in keypad 4 points to the LOAD key) plus a 2-digit preset number to load (between 00 and 39) has to be keyed in. LOAD key 1 2 3 LOAD DISP 4 5 6 0 ↑PGM ↑25kc LO/RE SCAN 7 8 9 SAVE ↓PGM ↓25kc ANTA/B MENU keypad 4: INITIAL STATE 103.
FM-SPY-T USER`S MANUAL B.1.7. SETTING THE INFO MODE The bottom row of the LCD display is featuring one out of three possible info modes: 1. RFL (Radio Frequency Level) in a bargraph presentation indicating the strength of the antenna signal (at the RF antenna input in use). 102.025 MHz mono ҰA RFL |■■■■| 2. RFL (Radio Frequency Level) in a numerical representation in "dBµV" (the reference level is 1µV what equals 0dBµV, e.g. 46dBµV = 200µV) 102.025 MHz mono ҰA RFL 46dBµV 3.
FM-SPY-T USER`S MANUAL B.1.8. HEADPHONES VOLUME CONTROL On the front side of the FM-SPY-T there is totally to the right side the headphones connector. This is a standard ¼” Jack as very widely used for headphones worldwide. headphones volume UP volume DOWN There are two push-buttons to the left of the headphones connector. These are serving for the headphones volume control in a highly sophisticated microprocessor controlled manner: • after powering up the FM-SPY-T both push-buttons are illuminated.
FM-SPY-T USER`S MANUAL B.2. EXTENDED OPERATIONS B.2.1. MENU FUNCTIONS Some special features are accessible through MENU functions. The MENU is activated by a double-press on the SAVE/MENU button out of the INITIAL state (refer to section B.1.3: INITIAL STATE on page 14).
FM-SPY-T USER`S MANUAL During using MENU functions the automatic “fall back to INITIAL state” feature of the FMSPY-T is still active. After a certain time without any user input, FM-SPY-T will quit the MENU state and fall back to the INITIAL state (refer to section B.1.3: INITIAL STATE on page 14). When pressing the SAVE key from the MENU state, FM-SPY-T will be switched back to INITIAL state, too. B.2.2. STEPPING THROUGH PRESETS One can load a preset (as described in section B.1.6.
FM-SPY-T USER`S MANUAL B.2.3. FINE TUNING By entering the MENU state and using the push-buttons ↑25kc or ↓25kc on the keypad, one can alter the FM receivers tuning frequency in 25kHz steps up or down. 25kHz step up 1 2 3 LOAD DISP 4 5 6 0 ↑25kc LO/RE SCAN 7 8 9 SAVE ↓PGM ↓25kc ANTA/B MENU ↑PGM keypad 10: MENU 25kHz step down When pressing one of these buttons continuously, the stepping will be faster. The frequency range of the receiver (87.5MHz to 108.
FM-SPY-T USER`S MANUAL B.2.4. SELECTING LOCAL rsp. REMOTE OPERATION In case the FM-SPY-T is hooked up to a PC via the USB interface some tuner settings (e.g. tuning to a specific RF receiving frequency) can be established from “remote” using the FMSPY PC application program. This might result in a conflict with settings made “locally” on the keypad. In order to prevent such conflicts MEDIA ENGINEERING has decided that the operator able to operate the hardware device FM-SPY-T is the so called master.
FM-SPY-T USER`S MANUAL The keypad lightmap for an active “remote” operation mode is as follows: 1 2 3 LOAD DISP 4 5 6 0 ↑25kc LO/RE SCAN 7 8 9 SAVE ↓PGM ↓25kc ANTA/B MENU ↑PGM keypad 12: REMote operation mode active! Pressing the same push-button sequence MENU-MENU-LO/RE within a propre time-interval (to prevent fall back after approximately 3 seconds) will bring the FM-SPY-T back to the “local” operation mode. File: FM-SPY-T Manual E.
FM-SPY-T USER`S MANUAL B.2.5. SCANNING THE FM CHANNELS The automatic FM channel scanning function of the FM-SPY-T is a useful feature when the device has been installed in a new location with entirely different radio sound broadcasting stations as at the previous location. When enabling the automatic scanning function, FMSPY-T scans the FM frequency band from 108.000MHz downwards to 87.500MHz and stores all channels with strong enough RF levels (the threshold is set to 50dBµV) to its internal memory.
FM-SPY-T USER`S MANUAL By pressing the LOAD button FM-SPY-T will effectively start the scanning function. During scanning, there will show up a backlight sequence of the LED illuminated push-buttons (simulating a tuning wheel rotating counter clock wise) and the tuning frequency will be decreased in 100kHz steps starting from 108.000MHz. Also shown is the actual preset number that FM-SPY-T will use to store a channel. 107.
FM-SPY-T USER`S MANUAL B.2.6. SELECTING THE ANTENNA INPUT To change the antenna input in use, enter the MENU state (refer to B.2.1.: MENU FUNCTIONS on page 20) and press button ANTA/B on the keypad. 1 2 3 LOAD DISP 4 5 6 0 ↑25kc LO/RE SCAN 7 8 9 SAVE ↓PGM ↓25kc ANTA/B MENU ↑PGM keypad 8: MENU ANT A/B After pressing this key, FM-SPY-T will toggle the antenna input from A→B or from B→A, depending on the previous selection of the antenna input.
FM-SPY-T USER`S MANUAL C. THE FM-SPY COMPUTER APPLICATION C.1. THE PC INTERFACE The FM-SPY-T is a normal USB 1.1 device. The data transfer rate on the interface of the FM-SPY-T reaches up at 7Mbps. The USB cable to use has to feature a rectangular type-A connector on one side and a quadratic type B connector on the other side. The maximum cable length is specified to: Lmax = 5.
FM-SPY-T USER`S MANUAL C.2. SOFTWARE INSTALLATION The software installation under MICROSOFT WINDOWS is quite easy to achieve. The software runs on all MICROSOFT WINDOWS operating systems incorporating the handling of USB 1.1 interfaces such as WIN98, WIN2000, WINXP but not on WINNT. IMPORTANT NOTE: FIRST install the software SECOND make the USB connection The installation process is started by running the installation program “setup.
FM-SPY-T USER`S MANUAL C.3. STARTING THE FM-SPY APPLICATION Before running the software application it’s necessary to switch the FM-SPY-T into the so called "remote operation mode". This is done by pressing the sequence SAVE -> SAVE -> LO/RE on the frontpanel keyboard (please refer to section B.2.4. on page 23) . If this sequence is not inputted the FM-SPY-T is still awaiting commands from the keyboard and is not able to be remotely controlled from the PC via the USB connection.
FM-SPY-T USER`S MANUAL C.4. THE FM-SPY COMPUTER PROGRAM C.4.1. INTRODUCTION & OPERATIONAL CONCEPT The software was designed with the goal in mind to maximize an ergonomic measuring sequence. The steps while working through the measuring process is similar to the writing of a measuring protocol. But the different tasks can be chosen manually as well.
FM-SPY-T USER`S MANUAL C.4.1. DESCRIPTION OF THE MAIN MENU POINTS name description Protocol This area allows the inputting of administrative data. It consists of three parts. In the part “Operator” it's possible to key in the name of the operator and/or the name of the organisation. In the part “Antennae” it's possible to key in detailed informations and settings regarding the antennae in use. In the part “Results” it’s possible to specify the directory for the storing of the measured data.
FM-SPY-T USER`S MANUAL name description Alarm Settings In the alarm section it's possible to define and manage details regarding alarms. The definition of threshold values is possible for different measuring results. In case a certain threshold is reached the propre alarm is triggered and a remark in the logging file is made. In case a definition of an activated alarm is fullfilled the alarm is triggered. As a result one of the actions “SET Alarm 1” or SET Alarm 2” can be outperformed.
FM-SPY-T USER`S MANUAL meas. task (tab) description Signal Scope displaying the demodulated multiplex signal and the RF antenna signal strength signal. Both are in the time domain and similar to the display of a cathode ray oscilloscope. Signal Quality This task is displaying all data in order to decide if a specific measuring situation is allowing results according to the ITU-R. It's checked if the amount of multipath receiving and the RF signal strength is according to ITU-R 1268.
FM-SPY-T USER`S MANUAL name description MPX Deviation Displaying the momentary peak frequency deviation in a direct and statistical form. A micro peak filter is filtering single peaks. MPX Power Displaying the calculation of the power of the multiplex signal (according to ITU-R). Each point is the result of a 60 seconds integration. File: FM-SPY-T Manual E.
FM-SPY-T USER`S MANUAL MPX Spectrum Displaying the demodulated multiplex signal in the frequency domain. Red vertical lines are marking the position of the pilot tone at 19kHz, the DSSC stereo difference signal at 38kHz and the RDS modulation at 57kHz. Different windowing techniques can be chosen for the FFT. RDS Data Displaying the content of the RDS data stream. File: FM-SPY-T Manual E.
FM-SPY-T USER`S MANUAL C.5. HOW TO MAKE MEASUREMENTS 1. Connect a suitable antenna to the FM-SPY (rsp. FM-SPY-T) and power up the device. Make shure the FM-SPY (-T) is having an USB connection the the computer. 2. Put the FM-SPY-T in the "remote operation mode" by pressing SAVE -> SAVE -> LO/RE 3. Start the FM-SPY application. 4. Start the data transfer process by clicking onto this symbol in the tool bar: 5. In case no error message is appearing the hardware is ready for measurings. 6.
FM-SPY-T USER`S MANUAL D. PINOUT OF 25 PIN D-TYPE CONNECTOR ON THE REAR SIDE The 25pin D-type connector AUXILIARY INTERFACE on the rear side of the FM-SPY-T is a female chassis type receptacle. While looking onto the connector from the rear the pinout of this connector is as follows: PIN # Signal / Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Gnd (Chassis) MPX-OUT (+5.5....+6.5dBu @ nom dev.@600Ω) SCADATA RDSCLOCK (1187.
FM-SPY-T USER`S MANUAL E. EXAMPLE OF HOW TO USE THE AUXILIARY INTERFACE The schematic diagram represents the internal ciruitry of the FM-SPY-T in regard of the AUXILIARY INTERFACE. Also two application examples are shown: the implementation of relais coupled switching outputs with the use of an internal rsp. external DC source. File: FM-SPY-T Manual E.
FM-SPY-T USER`S MANUAL F. SUMMARY OF KEYBOARD COMMANDS 1st keystroke 2nd keystroke 3rd keystroke 4th keystroke 5th keystroke 3 2 5 ↑PGM …………… ↓PGM …………… ↑25kc …………… ↓25kc …………… 6th keystroke TUNING to 103.250 MHz: 1 0 SAVING PRESET NO. 27: SAVE 2 7 LOADING PRESET NO.
FM-SPY-T USER`S MANUAL G. TECHNICAL SPECIFICATIONS ANTENNAE INPUTS number of antennae inputs ............................................................................................... 2 antenna input impedance .…........................................................................................ 75 Ω antenna input connector type......................................................................... F (receptacle) antenna input circuit............................................................
