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MAINTENANCE AND OPERATION

INSTRUCTION MANUAL

Publish Date: 17-Jun-2016

DB44

Compact FM Radio Monitoring Receiver

and Basic Modulation Analyzer

Содержание DB44

Страница 1: ...MAINTENANCE AND OPERATION INSTRUCTION MANUAL Publish Date 17 Jun 2016 DB44 Compact FM Radio Monitoring Receiver and Basic Modulation Analyzer ...

Страница 2: ...Indicators and Appointments 16 Front View 16 Rear View 17 Getting Started 18 Connection 18 Network Settings 19 Login 20 Device Control Interface 21 Main Screen 22 RDS RBDS Screen 23 ODA Screen 24 FM Graph Screen 25 MPX Screen 26 Spectrum Analyzer Screen 27 Scope Screen 28 Bandscan Screen 29 Status Screen 30 LOG Screen 31 Settings Screen 32 Main Settings Screen 32 Channel Settings Screen 34 Alarm W...

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Страница 4: ...ved us a reliable business partner and a valuable asset as our dealers worldwide would confirm In constant pursuit of precision and long term satisfaction DEVA enhances the reputation of our partners and clients alike Furthermore we have already a proven merit as a credible partner provider Our portfolio offers complete line of high quality and competitive products for FM and Digital Radio Radio N...

Страница 5: ...es the following typographic conventions Style Used for NOTE Important notes and recommendations Example Used when example text is cited 0 dB Menu element value Menu on page XX References OK Front panel navigation and soft buttons WEB Interface interactive buttons Settings Menu element and soft button name Menu path are represented as follows Settings Security Front Panel Access control ...

Страница 6: ...acy used in this equipment enables the FM multiplex signal s components to be accurately and repeatedly reproduced from one device to another i e same signal applied to two devices will give the same result The processing power in this equipment enables all measurements to be refreshed simultaneously and synchronously thereby allowing for detailed readings of all the Multiplex FM signal components...

Страница 7: ...RF Antenna Input Adjustable alarms for RF Deviation Audio Pilot RDS Signal and RGS Groups Firmware update for future proof operation Parameters Factory Restore Option FM Band 87 108 MHz Basic Spectrum Analyzer MPX PILOT RDS deviation meters LEFT and RIGHT demodulated audio level meters Headphones audio output RDS and RBDS decoder with BER meter Alarm dispatch via E mail SMS SNMP Channel status rep...

Страница 8: ...10 5 typically MPX Power 12 dBr resolution 0 1dBr 10 sec integration accuracy 0 2 dBr Audio Level 50 to 5dB resolution 0 1dB accuracy 5 Pilot Level 0 to 12 kHz resolution 0 1 kHz accuracy 0 5 kHz 1 to 12 kHz RDS Level 0 to 9 kHz resolution 0 1 kHz accuracy 10 typical and not guaranteed AUDIO MPX PILOT RDS LEVELS Validity RF level preferably 50dBµV Multiplex Level Peak level 256 ksamples over 1 sec...

Страница 9: ...B FFT Length 1024 Sampling Rate 256 kHz Composite 64 kHz Audio SCOPE ANALYSIS Input Composite MPX Audio Trigger Mode Auto Fall Dynamic Range 120 kHz Sampling Rate 256 kHz Composite 64 kHz Audio USER INTERFACE Web interface Full monitoring and control Interactive and easy to use Indicators 3 LEDs on front panel Headphone Output 1 8 3 5mm phone jack on front panel TCP IP COMMUNICATION Type Ethernet ...

Страница 10: ...oadcast com 10 BLOCK DIAGRAM A simplified block diagram of DB44 is shown below Because of the all digital minimalist discrete component nature of device circuitry we have not provided schematic diagrams of the DB44 in this Manual Please note that NO USER SERVICEABLE COMPONENTS INSIDE REFER ALL SERVICING TO QUALIFIED TECHNICAL PERSONNEL ...

Страница 11: ...8 1 2 Gateway 192 168 1 1 Subnet Mask 255 255 255 0 DNS 192 168 1 1 DHCP Disabled WEB SERVER HTTP Port 80 Admin Username user Password pass User Username user Password pass E MAIL E mail 1 blank E mail 2 blank Sender blank Server blank Port 25 AUDIO Stream Port 5000 Name DB44 FM Radio Monitoring Tool Quality 128 kbps GSM MODEM Number 1 blank Number 2 blank Number 3 blank Number 4 blank Baudrate 96...

Страница 12: ...P SETTINGS Agent Enabled Agent ID 1 Agent Port 161 Read Community DEVA44 Write Community DEVA44 Manager IP 192 168 1 1 Manager Port 162 MANAGEMENT SETTINGS Attenuator Auto De emphasis 50 µs Internet Time Enabled Internet Time Server pool ntp org Internet Time Server Port 123 Time Zone UTC 00 00 Web session timeout 3 minutes SNMP session timeout 1 minute ...

Страница 13: ...V 60 dBµV 60 dBµV 60 dBµV 60 dBµV 60 dBµV MPX Alarm Low Threshold 50 kHz 50 kHz 50 kHz 50 kHz 50 kHz 50 kHz MPX Alarm High Threshold 90 kHz 90 kHz 90 kHz 90 kHz 90 kHz 90 kHz MPX Power Alarm Low Threshold 8 dBr 8 dBr 8 dBr 8 dBr 8 dBr 8 dBr MPX Power Alarm High Threshold 6 dBr 6 dBr 6 dBr 6 dBr 6 dBr 6 dBr Left Alarm Low Threshold 30 dB 30 dB 30 dB 30 dB 30 dB 30 dB Left Alarm High Threshold 3 dB ...

Страница 14: ...HAVING ACCESS TO THE WEB INTERFACE To start a Hardware Reset disconnect the power supply cable from the unit Then locate the RESET button on Rear panel labeled in red on the picture press and hold it Afterwards connect the power supply cable to the unit and keep the RESET button hold until the POWER led starts blinking Release the RESET button and wait for DB44 to reboot with the factory default s...

Страница 15: ... equipment enclosure Do not remove the sticker from the equipment as it contains important specifications and the relevant serial number To join the equipment to the mains supply use the power cord purchased with the equipment The equipment must be used only for the purposes it was designed for Abuse or misuse of the equipment is extremely dangerous for people pets and property The manufacturer de...

Страница 16: ...W 1 Phones Output Audio signal from the tuned frequency 2 Power LED Indicator 3 GSM LED Indicator This LED can in one of the following states Off no GSM Modem Fast Blinking GSM Modem initialization Slow Blinking GSM Modem present and operating 4 LAN LED Indicator This LED can be in one of the following states Off No User Connected Logger is active Blinking User is connected Logger is inactive ...

Страница 17: ...ffice devabroadcast com Web www devabroadcast com 17 REAR VIEW GSM MODEM LAN ANTENNA MAX 120 dBµV POWER 12V 2A 1 2 3 4 5 1 Power Supply 12V 2A 2 Antenna Input BNC connector for FM Antenna 3 GSM Modem Connector DB 15 male 4 LAN Port Internet Input standard RJ 45 port 5 Factory Defaults reset button ...

Страница 18: ...ration place Connect the unit to the power supply network using the power cable provided with the unit Connect the antenna cable to the RF antenna input connector located on the rear panel of the device Connect DB44 to the TCP IP network using direct network cable Connect the optional GSM modem via the connection cable provided with the GSM modem Please locate and select proper place of the GSM an...

Страница 19: ...B44 is controlled through the built in web server and a standard web browser can be used to monitor its status or make some adjustments To connect to the device you need to know its IP address and follow the next steps Open a WEB Browser Enter the device IP address in the browser s address field NOTE If the port is different than the default one 80 it is necessary to specify it e g http 192 168 1 ...

Страница 20: ... again automatically after Logout DB44 serves only one user at a time thus Username and Password will be requested when connecting Default values are user and pass Enter your credentials and press Login button to continue to Main screen If DB44 is already in use you will be prompted shortly NOTE DB44 will Logout automatically the current session after the defined WEB session timeout see Management...

Страница 21: ...icator 3 RDS RBDS presence indicator 4 RF Attenuator Status 5 RF Level indicator The red zone low level indicates RF level below 20 dBμV 6 MPX Level indicator 7 Alarm presence indicator will be lit in red when an alarm on at least one channel is detected 8 Channel Alarms indicator will be lit in red when the Scheduler has detected an alarm on channel see Channel Settings Screen on page 34 9 Freque...

Страница 22: ... 359 56 820027 Fax 359 56 836700 E mail office devabroadcast com Web www devabroadcast com 22 MAIN SCREEN The main page shows meters for RF level measured multipath level baseband modulation positive and negative peaks audio levels PILOT and RDS RBDS levels ...

Страница 23: ...his display is the rolling RDS RBDS bit error rate BER display Total groups Indicator all received groups are systematized into a table representing the percentage quantity of the groups in the received RDS RBDS signal The user selects how the Total groups received data should be displayed as Percents or Count by selecting the corresponding button NOTE The bit error rate or bit error ratio BER is ...

Страница 24: ...devabroadcast com Web www devabroadcast com 24 ODA SCREEN If the selected station transmits RadioText RT or TMC here will be displayed the information from the supported ODA Groups A BER Indicator with graphics is placed at the right bottom part of the screen showing 60 sec history of the BER quantities ...

Страница 25: ...ot Left and Right audio levels These mandatory parameters are represented in the time slice of 2 minutes ensuring reading at a glimpse all significant parameters of the analog signal Each parameter has its own color representation and measurement units which are indicated on the right side of the graph When RDS mode is selected the MPX and PILOT readings are in kHz When RBDS mode is selected the r...

Страница 26: ...ute graph of the MPX power with average indicator measured in dBr The MPX Power is calculated continuously with an integration window of 60 seconds and a new sample every 10 seconds Therefore the first sample is available 60 seconds after tuning The rule of MPX Power provides to measure the modulation power which is seen equal to modulate signal electric power for one minute time period and to com...

Страница 27: ...d on the base of Fast Fourier Transform The window function can be selected through the relevant menu with interactive buttons The available windows and their features are given below This table can be used to choose the best windowing function for each application Window Best type for these Signal Types Frequency Resolution Spectral Leakage Amplitude Accuracy Rectangle Transient Synchronous Sampl...

Страница 28: ...er for the signal source to be changed the corresponding button on the right side of the graph should be pressed Once the Stereo source is selected the following visualization modes are available Scope standard 2 channel oscilloscope Lissajous Lissajous figure representation of Left vs Right channel Star Star shaped representation of Left vs Right channel Cloud Left vs Right channel represented as...

Страница 29: ... display of carrier level vs frequency In order for the Band scan process to be initiated press the Start button and wait for the process to complete The current scan could be stopped at any time by pressing the Stop button To evaluate the RF level of specified frequency move the vertical marker along the horizontal scale Values at the cross point will be shown at the top right corner of the graph...

Страница 30: ...network status IP address MAC etc The Channel parameters RF MPX Pilot etc have several conditions In range green OK Channel Settings Screen on page 34 Out of range red LO or HI Signal monitoring is not enabled n a The status of the RDS RBDS Groups Alarm is displayed on the bottom of the channels section Green RDS RBDS Group is received Red RDS RBDS Group is not received and an alarm has been trigg...

Страница 31: ...59 56 820027 Fax 359 56 836700 E mail office devabroadcast com Web www devabroadcast com 31 LOG SCREEN This screen shows the Device Log which shows the last 100 important events Selecting deselecting the corresponding check boxes will filter the events by type ...

Страница 32: ...assword to be used when accessing the WEB Server There are 2 levels of access Admin can access all screens and change all settings The user can access only the operational screens and has no access to the settings Network The network addresses could be set manually static IP or automatically via the DHCP server To set static IP MASK GATEWAY and DNS addresses the DHCP should be disabled In order fo...

Страница 33: ...n button GSM Modem Up to four numbers for SMS alarm notifications could be set Baud Rate is mandatory for the proper operation of the GSM Modem We recommend a test SMS to be generated via pressing the Test button once all needed settings are applied Upon success the SMS will be delivered to all specified GSM numbers Example of Test SMS Message DB44 Test Message NOTE The current condition of the GS...

Страница 34: ...ser defined channels Every Channel consists of a group of settings explained in details below which are used when monitoring and alerting Each preset has its own page where it is being configured Measurement windows can be set for each of the six parameters RF level Left and Right audio levels MPX baseband deviation Pilot and RDS RBDS deviation Trigger and alarm release times can be set for each a...

Страница 35: ...MP enables disables SNMP notification NOTE If the monitoring option is disabled notifications will not be sent nevertheless whether they are enabled or disabled A click on the label left or above will enable disable the entire column row To ensure early notification in case of a potential or actual problem the DB44 provides two stage alarm notifications Stage 1 Warning for a potential problem It h...

Страница 36: ...nitiate the sending of alarm warning notification via the alarm type selected All the alarms warnings are stored in the device s log You have to have in mind that if there is a very short fault of the signal with duration less than the channel trigger time the device would not trigger an alarm warning There are severalAlarm Warning Triggers for the following parameters RF MPX MPX Power Left Right ...

Страница 37: ...l SMS SNMP trap and Save a Log Record The state will not be immediately changed to Idle when the parameter stabilizes within Threshold levels but will wait until Alarm Warning Release Time is elapsed Meanwhile if the parameter passes over again any Threshold the Alarm Warning Trigger will remain in Active state If the parameter remains within Threshold levels and Alarm Warning Release Time expires...

Страница 38: ...rs are evaluated and included as well Because of the SMS length limitations only most important parameters are included when sending SMS Notifications Example for E mal Notification Date 27 Sep 2011 09 05 09 DB44 FM Radio Monitoring Tool reports ACTIVE alarm on 95 70MHz BG Radio CH2 Alarm RF 40dBuV Signal parameters RF Level 64 6 dBuV MPX 65 8 kHz Left 1 6 dB Right 1 9 dB Pilot 7 95 kHz RDS 4 47 k...

Страница 39: ... DB44 will automatically adjust its internal clock through the Internet When Internet Time is disabled Date and Time should be entered manually into corresponding fields or filled from PC Clock by pressing the Get From PC button Firmware Update If needed DB44 s firmware could be updated Updating the firmware will ensure New function s Improved performance Eliminated bugs if any To update the devic...

Страница 40: ...mory The procedure is quite simple Press the Restore Button and confirm the procedure WARNING Before returning DB44 to its factory defaults all remote users should be informed that they may cease to communicate with the device Session Timeout Set WEB and SNMP sessions timeout Please NOTE that during session the Logger mode is not active thus no Alarms are generated SNMP MIB File Press the Download...

Страница 41: ...ard must be with deactivated PIN request 3 Connect the GSM Modem and DB44 with the communication cable 4 Power up the GSM Modem 5 Power up DB44 If the installation is proper the GSM Modem will immediately startup This will be noticed by the fast blinking of the GSM Led on the DB44 s front panel The status of the GSM Modem will also be exposed on Status Screen Few seconds are usually necessary for ...

Страница 42: ...ol Decimal symbol must be dot If DB44 receives an authorized Status Request command after a short interval about 5 seconds in which DB44 has to retune and collect summarized data the Caller will receive a SMS response For Example STATUS 27 09 2011 09 08 34 FREQ 102 50MHz RF 32 7dBuV MPX 103 2kHz Left 4 8dB Right 4 9dB Pilot 7 5kHz RDS 18 5kHz Remote Audio Listening command will generate only if th...

Страница 43: ...ry in Local Networks DB44 implements UPnP which lets you easily find it in your local network For this purpose your system should have UPnPenabled see UPnPActivation on page 44 To discover the device follow the next steps Connect the device to the local network Open My Network Places on your computer Find the decoder s icon Double click it to open the DB44 web interface ...

Страница 44: ... to Windows XP SP2 or SP3 If you use another operating system please contact your system administrator Open My Network Places If you have the caption displayed in the picture below click on it Then click Yes and wait for the process to complete Now you should see the device If you still have troubles finding the device please see http support microsoft com kb 941206 or contact your system administ...

Страница 45: ... not apply to damage caused by misuse abuse accident or neglect This Warranty is voided by unauthorized attempts at repair or modification or if the serial identification label has been removed or altered III TERMS OF WARRANTY DEVA Broadcast Ltd products are warranted to be free from defects in materials and workmanship A Any discrepancies noted within TWO YEARS of the date of delivery will be rep...

Страница 46: ... mail Phone Fax Which DEVA Broadcast Ltd product did you purchase Product Serial Purchase date Installation date Your signature Signing this warranty registration form you are stating that all the information provided to DEVA Broadcast Ltd are truth and correct DEVA Broadcast Ltd declines any responsibility for the provided information that could result in an immediate loss of warranty for the abo...

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