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DB4004 User Manual

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1. Ch 19 98 10 Ch 20 98 10 Total groups received 559 H W Count g j BER 0 000 A 86 0 All basic elements of the RDS RBDS are displayed on the screen PI PS RT TA TP etc The Alternative freguencies are also available represented in a list DB4004 supports the two most used ODA Applications At your disposal are the Radio Text Plus and the Traffic Message Channel If your Radio station has RT or TMC DB4004 will display the information from those ODA Groups Total groups Indicator all received groups are systematized into a table representing the percentage guantity of the groups in the received RDS RBDS signal The user selects how the Total groups received data should be represented as Percents or as Count by selecting the corresponding button A BER Indicator with graphics is placed at the right bottom part of the screen showing 60 sec history of the BER guantities NOTE The bit error rate or bit error ratio BER is the number of bit errors divided by the total number of transferred bits during the observed time interval Result closer or egual to 0 indicates that no bit errors are detected and vice versa result closer or equal to 1 indicates that the received transferred bits are only errors 56 BROADCAST E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fa
2. 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 E mail office devabroadcast com Web www devabroadcast com BROADCAST Scope Bandscan Status L Settings The Main Screen of the WEB Interface shows all the mandatory parameters represented as LED You can choose between two antenna inputs and easily select the preferred audio frequency by using the selection buttons placed on the left part of the screen All station presets are defined by the user a Ne BROADCAST E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 RDS RBDS SCREEN DB4004 Advanced FM Monitoring Receiver EF DEVA Basic PI 8091 PS POWER FM PTY Pop Music Musi AF Total 2 AF Method A 91 1 RTB AEE ES l serrr l ZAZA E l ALIAS l LW Bann l perenne l ALALLAAN DI 1 Stereo Not AH Not compressed Static PTY TP off TA off PIN Set Date 05 Feb 2013 Tue D anti anta Ch 1 91 10 ch 2 104 50 Ch 3 95 70 Ch 4 99 90 S FM Graph Ch 5 101 80 Ch 698 10 Ch 7 98 10 Ch 8 98 10 5 gt Spectrum Ch 9 98 10 ch 10 98 10 Scope Ch 11 98 10 Ch 12 98 10 Bandscan Ch 13 98 10 Ch 14 98 10 Status Ch 15 98 10 Ch 16 98 10 Settings Ch 17 98 10 Ch 18 98 10
3. The spectrum analyzer tab is a very useful feature It is an IF MPX and Audio spectrum display Initially it shows the IF from 250 to 250kHz so that the readings of the currently selected source to be clearly visible The signal source to be calculated and visualized is chosen from the Source section placed on the right part of the screen Spectral components of the selected signal are determined on the basis of Fast Fourier Transform The window function can be selected through the relevant menu via the interactive buttons The available windows and their features are given below This table can be used to help you choose the best windowing function for each application Transient amp Rectangle Synchronous Best Poor Poor Sampling o Fair The visualized Spectrum waveform is equivalent of the average value of several measurements which are defined in section Average The radio freguency to be observed could be easily set by using the preset buttons placed on the left part of the screen 59 BROADCAST E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 SCOPE SCREEN J anti E ant2 RDS Ch 395 70 Ch 4 99 90 ez S FM Graph Ch 5 101 80 Ch 6 98 10 MPX Ch 7 98 10 Ch 8 98 10 Ch 9 98 10 Ch 10 98 10 Scope Ch 11 98 10 ch 12 98
4. TS Period lt Alarm Trigger Time i l l Io l TIME A A A a A No Alarm AlarmActive Alarm Idle If the RDS Group has not been received within the Alarm Trigger Time the state would be changed into Active If the Active state and the Release Time have elapsed and the RDS Group is received the state is changed to Idle Should the RDS Group is received before the Release Time is elapsed the state would remain Active _74 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com ALARM NOTIFICATIONS The E mail SMS SNMP trap Alarm Notifications contain the following information device s Alias date and time of Alarm triggered channel number frequency and information about the Alarm activation deactivation The basic signal parameters are also included Example for E mal Notification Date 04 Nov 2015 OF esl KC DB4004 reports ACTIVE alarm on 91 10MHz Power FM CH1 Alarm RDS gt 6 5kHz Signal parameters RF 51 5dqdBuV MPX Total 89 9kHz MPX Power 128 0dBr PILOE 7 5KHZ RDS 11 4kHz Left 1 20B Rigit d 20 Example for SMS Notification ACTIVE ALARM CH 2 21 09 2015 09 03 54 FREO 95 7MHZ REG35 UdBUVy SL MPX 60 KHZ lstti 2 50B KIN dB PLLOES e E RDS 4 12kHz NOTE L for LOW below threshold H for HIGH above threshold ATTENTION Because of the SM
5. td td td als Z IZ Z Z S e fee s lt lt lt Willan O UN Z Z Z 0d I A ON I 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Description FTP protocol Email SMTP protocol email SNTP SNTP protocol Internet time eS ee Audio Stream Audio streaming Syslog SYSLOG protocol USB USB port UPnP UPnP protocol Ethernet related submenu DHCP Client IL 192 168 1 2 IP address static NETMASK III IL II 255 255 255 0 Network mask static SS 19216811 Gateway address static i gt TN Gateway Primary DNS Secondary DNS Secondary DNS IP address static WAN IP IP address used for FTP behind NAT SNMP related submenu Manager IP 92 68 11 Manager IP address RT Manager port Agent port 0 2558ep 1 Oi Agent ID for the device SS DEVA4004 Read community password Write Community PT DEVA4004 Write community password Session Timeout TIMER 180 sec Inactivity timeout for SNMP write only Application related submenu Port Application port Session Timeout Application inactivity timeout kl ke kel ke 92 168 1 1 Primasy DNS IP address static les 2 d a Y 215 Z13 8 aaa N Manager Port Agent Port Agent ID Read Community ju 77 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 5
6. Example EMITE Button assignments for TIMER in edit mode OK Accept the value and exits edit mode Up Down Increments decrements value with one step The unit of the value changes automatically from seconds to minutes and vice versa SB4 Discards altered value and cancels edit mode 50 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Alarm ALARM Alarm is special complex parameter with its own editor dialog Each alarm parameter are composed from several sub parameters These are e Low threshold This is lower alarm limit for measured signal If the value stays below this limit for certain time low alarm event will be generated e High threshold This is higher alarm limit for measured signal If the value stays above this limit for certain time high alarm event will be generated e Trigger time Time to wait before low alarm or high alarm event is generated e Release time Time to wait before idle alarm event is generated e Set of notification channels Denotes the way the user is notified for the alarm event Possible channels are SMS with GSM modem option E mail SMNP and GPO Example Content of alarm editor dialog with RF Alarm shown The bargraph shows whole signal range of the alarm The highlighted area denotes permitted signal region If current
7. GATEWAY and DNS addresses the DHCP should be disabled In order for the built in DHCP client to be activated the function should be enabled When the DHCP client is activated all assigned values will be shown in the relevant fields on the Status Screen If due to any reason the DHCP procedure cannot be completed DB4004 will use AutoIP and will generate an IP Address HTTP Server Enable Disable the HTTP Server Specify the Server Port and session timeout FTP Server Enable Disable the FTP Server Specify the Command and Data Ports to be used 69 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com SNMP Agent Specify Agent ID Agent Port Read Write Communities Manager IP Manager Port and session timeout Agent enables disables SNMP Agent Agent ID is used for identification of the device among others when an SNMP notification 1s being sent Once all needed settings are applied use the Test button to generate a test notification which upon success will be received by the SNMP Manager Press the Download button to download the latest available DB4004 SNMP MIB file NOTE The MIB file may vary from one firmware revision to another Downloading this file from the device guarantees that you have the proper MIB file Syslog Enable or disable the Syslog feature Specify Server address a
8. GPo y RDS Alarm Range Thresholds Trigger time Release time min min E Emai E sms la GPo SMS GPO D Enabled Disabled H Enabled Disabled Range Thresholds i Low Trigger time 0 Release time 0 E High min min Lea ss sve F Gro gt MPX Power Alarm A AA Range J Thresholds WE Low E High Trigger time 0 min Release time 0 min mat ss sve Ve gt 412 Right Audio Alarm Range Thresholds E Low Trigger time 0 Release time 0 E High 0 min min E Emai Las lau leo RDS Group Alarm 0 1 2 3 4 5 6 7 8 9 101112131415 aa A E E O E E E 6 E EEE e aa E E O 0 1 E E ENNEN 05 00 min 05 00 min E Emai as Van leo a E E Trigger time 0 Release time 0 05 Feb 2013 Session time 17 40 17 37 44 Alarm notifications E mail global enable disable E mail notification SMS global enable disable SMS notification SNMP global enable disable SNMP notification GPO global enable disable GPO actions NOTE If the monitoring option is disabled notifications will not be sent nevertheless whether they are enabled or disabled Alarm Range interactive slider used to adjust the Low amp High thresholds at which an alarm will be generated Trigger Time waiting time before Active Alarm is generated Release Time waiting time before Idle Alarm i
9. distortion is especially troublesome in FM stereo reception DB4004 incorporates a multipath distortion detector and multipath bargraph indicator to show the multipath level of received signal The so mentioned multipath bargraph can be reached under the LEVELS menu 19 BROADCAST E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 Co channel Interference In many populated areas there just isn t much room in the radio spectrum and stations will be jam packed in Another thing which would result in mutual interference between the broadcasting stations is poor frequency planning The inherent broad bandwidth of the DB4004 receiver is vulnerable from stations working on the nearby frequencies where signal strength will be the most important factor the stronger the interfering station the stronger the interference effect One method to identify adjacent channel interference is to observe independent positive and negative deviation readings If the positive deviation is considerably higher then the negative one interference from a strong station above the monitored frequency would be indicated and vice versa In this example the negative deviation can probably be trusted as an indication of total carrier modulation though this should be confirmed in free of interference RF environment In any event program deviation should
10. higher audio frequencies Therefore a means of reducing the effect of disturbances is to filter the higher frequencies This reduction of audio bandwidth is called high cut The level of applied High Cut depends on the following input signals Signal Level Multipath Ultrasonic Noise 5000 10000 15000 20000 Response of the FM High Cut function for several reduction values Soft Mute bargraph lower is better If disturbances are present in the received signal the perceived effect can be reduced by attenuating the audio signal This reduction of audio volume is called soft mute Soft Mute depends on the following input signals Signal Level Multipath and Ultrasonic Noise Button assignments OK Transition to Main menu page Left Right Changes current freguency Up Down Changes currently displayed bargraph group 1 4 SB1 SB4 Fast Presets 44 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com RDS decoder page Short press SB3 from Menu page The transition to RDS decoder page will be made ttings Graphs FC do m About RDS Decoder J JOY Wariec 101 80 RM HE at un GITT SE ale ms ATT 159 DEP ALS me Io Tes E IH WLL HJOYBG COM TEL ZA 31 18MHz RDS page main view p m w m 101 50 FM RF III ATT lal AHT 1 ld kal KAL Pad OO
11. 10 Ch 13 98 10 Ch 14 98 10 Ch 15 98 10 Ch 16 98 10 Settings Ch 17 98 10 Ch 18 98 10 Ch 19 98 10 Ch 20 98 10 05 Feb 2013 Session time CC 17 34 10 37 51 Scope screen represents the signals participating in the process of demodulating and stereo decoding over time In order for the signal source to be changed the corresponding button on the right side of the graph should be pressed 60 BROADCAST E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BANDSCAN SCREEN D ANT1 W ANT2 e Ch 1 91 10 Ch 2 104 50 O Ch 3 95 70 Ch 4 99 90 FM Graph Ch 5 101 80 Ch 6 98 10 Ch 7 98 10 Ch 8 98 10 Spectrum D N v Ch 9 98 10 Ch 10 98 10 Scope Ch 11 98 10 Ch 12 98 10 Bandscan Settings Ch 13 98 10 Ch 14 98 10 Ch 15 98 10 Ch 16 98 10 O O Ch 17 98 10 Ch 18 98 10 Ch 19 98 10 Ch 20 98 10 Bandscan 05 Feb 2013 Session time 17 35 48 37 45 H This Screen evaluates FM broadcast band congestion by sweeping the tuner across the FM band logging every carrier and generating a spectrum display of carrier level vs freguency The Bandscan application utilizes four different types of Bandscan depending on the preferred signal freguency step The bandscanning mode could be customi
12. Alarm Trigger s State will refresh if necessary Should we consider an instance when the Alarm Trigger 1s in Idle state having in mind that an alarm is not triggered immediately when a parameter level passes beyond threshold If the parameter level becomes stable within Thresholds and the Alarm Trigger Time is not elapsed then the Alarm Trigger remains in Idle state If the Alarm Trigger Time expires and the parameter level is still beyond limits the Alarm Trigger would change its state to High Low This would result in predefined actions Alarm Notifications E mail SMS SNMP trap and Save a Log Record The state will not be immediately switched into Idle when the parameter stabilizes within Threshold levels not up until the Alarm Release Time is elapsed Meanwhile if the parameter crosses again any Threshold the Alarm Trigger will remain in Active state If the parameter remain within the Threshold levels and the Alarm Release Time expires then the Alarm Trigger would switch into Idle state and again predefined actions would be initiated Alarm Idle No Alarm Alarm Idle TT Notification Notification gt for Active Alarm for Idle Alarm D SE l l l l l I l l l l l Hi Threshold I I I Geh 5 3 l 037 l i 000 AS A l A Tn l TT ge T 007 l l l l l l l l l I l l l l l l l I l l l l l l l l I l l l l l l l l I l l l l l i i i W Period gt Alarm Release Time I i Period gt Alarm Trigger Time E 4 N
13. Cycles through possible values for selected highlighted background string character There is certain limitation in permitted charset depending from string context For example for phone number string only 1234567890 and white space characters are available e Left Right Selects previous next character from the string If Right button is pressed with the last character selected the new space character is added automatically at the end of the string User Name user On Left button press the trailing spaces are removed automatically e SB2 Inserts white space before selected character User Name us before SB2 press EXPTE after SB2 press e SB3 Deletes selected character before SB3 press EXPTE ter 583 press e SB4 Discards altered value and cancels edit mode Date DATE Represent date information Example ETT Tea Button assignments for DATE in edit mode OK Accept the value and exits edit mode Up Down Cycles through possible values for selected highlighted background segment of parameter value The value always stays in permitted parameter range Left Right Selects previous next segment from the parameter value SB4 Discards altered value and cancels edit mode Time TIME Represent time information Example LETTTSIIOAOAA Taa Tua Button assignments for TIME in edit mode See DATE description Timer TIMER Represents relative time interval
14. Enabled H Disabled Cmd Port l 021 Data Port 020 SNMP Agent Agent H Enabled N Disabled Agent Port Agent ses time 0 03 00 min wen Bd Read Community Write Community Manager IP Download Manager Port SNMP MIB File UECP UDP Relay Enable H Enabled N Disabled sve gt Server Port 15001 UECP TCP Server Enable H Enabled W Disabled Server Port 048 These settings require reboot 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 E mail office devabroadcast com Web www devabroadcast com GSM Modem Number 1 Number 2 Number 3 Number 4 Number 5 Baudrate 4800 Generic Modem Type Application Server Enable Enabled Disabled Server Port 1024 Session time H 03 00 min Audio Stream Server Enable H Enabled Disabled Server Port 15000 Quality 256 kbps e E mail Enable E mail 1 E mail 2 Sender H Enabled N Disabled db4004 devamonitoring com DB4004 SMTP CLIENT Connection Regular v Username Password Host name Server Server Port Syslog Enable Server Server Port Enabled N Disabled Enabled Disabled Save Save amp Reboot The network addresses could be set manually static IP or automatically via a DHCP server To set static IP MASK
15. IS INTENTIONALLY LEFT BLANK O 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Introduction DEVA Broadcast Ltd was established in 1997 as a broadcasting and telecommunications equipment importer for Bulgaria and Eastern Europe regions Subsequently DEVA Broadcast Ltd has developed and produced a wide range of low and mid power transmitters RDS RBDS Encoders and Decoders Modulation Monitors Remote Controls Site monitoring and other systems for many companies around the Globe Our experienced and innovative engineers accomplish their bright ideas through successful engineering marketing and management at DEVA Broadcast s corporate headquarters in Bulgaria During the last ten years our company s products have become our partners best sellers After a detailed marketing analysis our team has decided to launch its own brand products based on the latest technologies in the broadcasting business We have dedicated our efforts and expertise to the design and development of a complete line of high quality and competitive products for FM and Digital Radio Radio Networks Telecommunication Operators and regulation authorities We pride ourselves on our post sales support and relation to the clients which have won us due respect and our market authority position Since 2003 DEVA Broadcast Ltd has been ISO 9001 certifi
16. SNMP or SMS which allows technicians to restore a normal service as soon as possible This tool instantly enhances the quality control management for radio stations The DB4004 allows you to monitor all RDS RBDS and other signal parameters from anywhere via its communication channels TCP IP and allows GSM Connectivity via the optional external GSM Modem Easy channel status monitoring or audio listening from anywhere uses your mobile phone With the Audio Stream Server you can even listen to skim and record the audio from another station All the channel measurements and logs are saved in internal device memory The built in FTP system manages the files by an assigned schedule All the collected information is centralized in a database and can be revised played back and sent automatically to the qualified staff as needed The Interactive Software based Log Viewer tool allows the very detailed control and analysis of any station from the list of monitored channels The Band Analyzer function in the DB4004 presents an overview of all FM signals available plus the RF signal strength of these stations Scans are possible within any section of the band in the FM band in 3 different modes The generated spectrum diagram shows the RF Level vs the Frequency Scheduled Band Scans can also be enabled for RF intruder or pirate transmissions detection The Deva Broadcast s DB4004 is a superb monitoring system designed as a powerful tool for FM Radio signal ana
17. The Channel parameters RF MPX Pilot etc have several conditions In range green OK 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 triggered White blank RDS RBDS Group is not received and no alarm has been triggered 62 BROADCAST E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 LOG SCREEN Set D anti anta Ch 1 91 10 Ch 2 104 50 Ch 3 95 70 Ch 4 99 90 AEE O mn FM Graph Ch 5 101 80 Ch 6 98 10 5 gt Ch 7 98 10 Ch 8 98 10 Spectrum Ch 9 98 10 Ch 10 98 10 Scope Ch 11 98 10 Ch 12 98 10 Bandscan Ch 13 98 10 Ch 14 98 10 Ch 15 98 10 Ch 16 98 10 Settings Ch 17 98 10 Ch 18 98 10 Ch 19 98 10 Ch 20 98 10 05 Feb 2013 Session time 17 38 47 36 56 Here are listed all the Device System Events The local measurements and logs are saved in the internal device memory All log files can be downloaded via the built in FTP server 63 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 E mail office devabroadcast com W
18. access to the device settings e Level Adjustable Balanced Analog Audio Outputs on XLR Connectors e Professional AES EBU SPDIF and Optical Digital audio outputs e LAN port for full TCP IP remote control and monitoring e Adjustable MIN MAX alarms for RF Pilot Left amp Right Audio Levels e Adjustable MIN MAX alarms for MPX MPX Power amp RDS e USB communication interface for local connectivity e Headphone output with front panel level control e Firmware updates will ensure improved operation e Accurate front panel metering for local use e Restore Factory Parameters option e Fasy Installation and Setup e Wide operating voltage range 100 240V AC e 19 Professional Case for high RF immunity O 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com TECHNICAL SPECIFICATIONS RF INPUT IF Filter Bandwindth Frequency Response e Fa O O 15 Increments 27kHz 157kHz Auto 0 1 dB 10 Hz to 86 kHz 12 dBr 20 sec integration 90 dB y x y O S Dynamic range STEREO DECODER Freguency Response L and R 0 1 dB 10 Hz to 15 kHz SNR Stereo 60 dB 50 us de emphasis THD 0 1 10 Hz to 15 kHz 50 us de emphasis 50 dB 50 Hz to 10 kHz 50 us de emphasis 52 dB Separation Crosstalk Gel Le Sal O E Ce European RDS CENELEC United States RBDS NRSC Yes Yes Yes
19. and OK buttons are used for frequency selection and similarly to the Soft Buttons to navigate through the menus selecting various functions and parameters of the DB4004 16 E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST REAR PANEL MADE IN BULGARIA CAUTION TO PREVENT ELECTRICAL SHOCK PATENT PENDING DESIGN AUDIO OUTPUT 100 240VAC www devabroadcast com DISCONNECT POWER BEFORE SERVICING MAX RF INPUT LEVEL 110 dBuV 50 63Hz 25VA CONTROL FM TUNER Cono s FS ANT 2 ANT 1 MPX OUT S PDIF AES EBU RIGHT MADE IN BULGARIA CAUTION TO PREVENT ELECTRICAL SHOCK PATENT PENDING DESIGN AUDIO OUTPUT 100 240VAC www devabroadcast com DISCONNECT POWER BEFORE SERVICING MAX RF INPUT LEVEL 110 dByV 50 63Hz 25VA 3 O O O AMAO a GND Gel Jo n 12 os Jo EJ L T R ALARM OUT LAN USB GSM MODEM ANT 2 en ANT 1 MPX OUT O P S PDIF AES EBU LEFT RIGHT 1 Mains connector 110 240VAC IEC 320 C14 type 2 Fuseholder 1A 3 Audio Left Output XLR 4 Audio Right Output XLR 5 Audio AES EBU Output XLR 6 Audio SPDIF Output RCA 7 Audio Optical Output TOSLINK 8 MPX Output BNC 9 RF Input 1 Antenna 1 BNC 10 RF Input 2 Antenna 2 BNC 11 Ethernet T BASE10 100 RJ45 12 USB type B 13 GSM Modem Male D Sub 15 pins H
20. and edit mode is activated Up Down If edit mode is active changes the value of the selected parameter Otherwise will move selection in corresponding direction up down Left Right Changes selection within parameter value in edit mode See examples below SB4 Back one level or cancel menu mode There is several parameter types available in DB4004 The way of editing depends of that type Following is description of parameter types Every parameter has several properties change step unit default value permitted range for its value and so on Numerical TT i mie numerical value Example The value of the freguency can be changed in 87 00 to 108 00 MHz range with step of 10 20 50 or 100 kHz Button assignments for INT in edit mode OK Accept the value and exits edit mode Up Down Changes the value of the parameter with one step increment decrement The value always stays in permitted parameter range SB4 Discards the value and cancels edit mode Enumerated parameter ENUM Represent selection of one value from set of predefined enumerated values Example MAME TT ITA The value can be changed between Auto OFF 10dB 20dB and 30dB position Button assignments for ENUM in edit mode OK Accept the value and exits edit mode Up Down Cycles through possible value positions The value always stays in permited parameter range SB4 Discards the value and cancel
21. to be enhanced a new username and password could be set from the Security section By choice you can change the name of the device General section Later on it will be used as a title name for all WEB pages Customizing the name will make the device more recognizable Fan control set the preferred speed of the built in Fan Date amp Time used for manually set the current Date and Time Copy Local Time button will set the Date and Time to correspond to that of your computer SNTP Internet Time Synchronizes automatically the DB4004 clock to a millisecond with the Internet time server Enable this function in order to use it Specifying the server closest to your location will improve the accuracy Temperature Alarm Detects abnormal temperature of the equipment Define the parameters under which a temperature alarm to be generated Fan Alarm Detects abnormal operation of the built in fan Define the parameters under which a fan alarm to be generated WEB Log the maximum storage time of the System Log file is chosen from here If the file is older than the specified maximum will be deleted NOTE In order for the applied settings to be used press the Save button placed on the bottom right part of the screen _ 64 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 E mail office devabroadcast com Web www devabroadcast com DEVA BROAD
22. with placed top cover to avoid any electromagnetic anomalies which may cause problems of the normal functionality of the unit Please connect DB4004 only to good guality Internet connection This is very important for the normal remote operation of the unit Please check if your network settings pass through all the data traffic reguired for the normal operation of the DB4004 unit 13 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com INSTALLATION SPECIFICATIONS AND PRECAUTIONS REGARDING THE RF ENVIRONMENT ANTENNA CONSIDERATION Attentively observing of the RF Environment in which DB4004 is disposed and is functioning is necessary for ensuring of the normal and reliable working of the system Best conditions in accordance with the standards listed below must be provided for functioning of the system Depending on the application the DB4004 monitoring receiver can be installed very close to high power FM transmitters Usually its antenna port is directly connected to any FM transmitter monitor output or to directional coupler on the output of any combiner system The typical RF output level of such sources is too high for the normal operation of the DB4004 receiver We strongly recommend using external RF attenuators with attenuation value between 20 90dB for reaching optimal RF output level in the 55 60 dBuV ra
23. 5 00 min Right Audio Alarm 50 Range Thresholds M Low Trigger time 0 1 High 0 05 00 min Release time 0 05 00 min W Emai f sms W SNMP N GPO W Emai f sms N SNMP N GPO RDS Alarm Range Thresholds M Low Trigger time 0 E High 6 5 05 00 min Release time 0 05 00 min RDS Group Alarm 0123 45 6 7 8 9 101112131415 A Y v E M m e E H I HHHHHHD 05 00 min 05 00 min Trigger time 0 Release time 0 Il Emai SMS SNMP GPO N Emai H sms N SNMP GPO v Export Import E mail office devabroadcast com Web www devabroadcast com General Tuner Alarms 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 alarms including trigger and alarm release times Channel e Name channel alias e Enable Disable enables disables channel monitoring e Frequency specify the frequency to be monitored e Acquisition time specify the observation time for the current station before switching to the next channel NOTE When MPX Power alarm is enabled the observation time must be more than 60 seconds Alarm Notification Type e E mail enables disables E mail notification e SMS enables disables
24. 6 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Parameter Name Type Range Default value Unit Description HTTP HTTP related submenu Port PORT 1 6553580p1 80 WEBserverpot S FTP related submenu Data Port FTP data port Command Port 1 65535 step 1 l FTP command port SNTP related submenu Time Server HOST ss poo ntporg Time server host name Server Port Time server port Email related submenu Mail Server Outgoing server host name Server Port Outgoing server port Email Address 1 First recepient email address Email Address 2 EMAIL blank Second recepient email address STR S devamonitoring com PO User Name Outgoing server user name User Password Outgoing server password Audio streamer related submenu Server Port Audio streamer server port Bitrate 4 128 step 32 Audio bitrate SYSLOG related submenu Server HOST Server host name ort 5 Server port GSM modem related submenu Modem Type Denotes used GSM modem type Baudrate GSM modem communication speed p pd IN _78 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Description Number 1 TEL ss blank First allowed phone number Number 2 IL Jak Secondallowed phone number Number 3 TEL ss blank Third allowed phone number Number 4 TEL ff blank Fourthallowed phon
25. 6700 BROADCAST E mail office devabroadcast com Web www devabroadcast com APPENDIX 1 Alarm Triggers ALARM TRIGGERS After collecting all the data the DSP based core compares the values measured with the predefined by the user threshold levels for all the alarms monitored In case that a parameter is beyond limits the device will initiate the sending of an alarm notification via the selected communication path All the alarm events are stored in the device s log It is essential that if there is a very short fault of the signal with duration shorter than the alarm trigger time the device would not trigger an alarm There are several Alarm Triggers for the following parameters RF MPX MPX Power Left Right Audio RDS Group loss Pilot and RDS levels An option for defining different limits for each of the parameters is present All these values the trigger time and the release time have to be assigned separately for each of the alarms Alarm Idle Alarm Active Wait and Measure Wait and Measure Parameter out of range Parameter in normal range interval gt Alarm Trigger Time interval gt Alarm Release Time YES YES Block Diagram of Alarm Automata ee 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com When an observation event takes place the
26. CAST TUNER SETTINGS SCREEN RF Input Antenna 1 RF Input Antenna 2 Alias Antenna 1 Alias Antenna 2 E Auto H Of JN 10d8 20d8 3048 I Auto I Off JN 10d8 2048 3048 RDS RBDS Mode D RDS spe Set De emphasis Tuner Frequency Step 1 0kHz 20kHz D 5okiz H 100kHz J 200kHz Average amp Peak Adjustments General Attack time f Release time 0 Peak hold J ant 2 anta Mo pat f Sous E 75ps Ch 1 91 10 ch 2 104 50 Ch 3 95 70 Ch 4 99 90 Audio Processing IF Bandwidth Auto Audio Cut Off Ch 5 101 80 Ch 6 98 10 Ch 7 98 10 cn 8 98 10 Ch 9 98 10 Ch 10 98 10 Ch 11 98 10 Ch 12 98 10 Ch 13 98 10 Ch 14 98 10 Ch 15 98 10 Ch 16 98 10 Stereo Blend High Blend High Cut Soft Mute I Auto Off E Auto Off i Auto H Off E Auto I off Ch 17 98 10 Ch 18 98 10 Ch 19 98 10 Ch 20 98 10 05 Feb 2013 Session time 17 39 39 37 56 The Tuner Section gives full control over Tuner and Audio Processing and the two RF Antenna Inputs settings These settings provide all the needed adjustments to the algorithm which DB4004 demodulates and manipulates the signal Average and Peak Adjustments section is used for setting of the indicators response times Attack and Release times s
27. Ch 11 98 10 I Ch 12 98 10 chi 98 10 ch 42 98 10 Ch 43 98 10 ch 44 98 10 ch 45 98 10 Ch 13 98 10 Ch 14 98 10 Ch 15 98 10 Ch 16 98 10 Ch 17 98 10 Ch 18 98 10 Ch 19 98 10 Ch 20 98 10 ch 46 98 10 ch 47 98 10 ch 48 98 10 ch 49 98 10 chan 98 10 05 Feb 2013 Session time 17 40 49 37 51 Trough this section of the WEB Interface up to fifty radio frequencies could be chosen and monitored by applying the needed settings When the desired adjustments are being made DB4004 will monitor all of the selected frequencies at regular intervals All of the collected information is accessible through the built in FTP Server Follow the steps below to initiate the simplified process of starting a Logger mode e Set the Logger s start time delay e Click on a channel to open the settings page e Set the Name and Frequency parameters for each of the channels see Logger Channel Settings on page 68 e Set the Acquisition time for each channel see Logger Channel Settings on page 68 e In order for a channel to be included in the campaign the Antl Ant2 button should be selected To exclude a station from the campaign select the Disable button see Logger Channel Settings on page 68 67 DEVA BROADCAST LOGGER CHANNE
28. Defaults Reboot Device Firmware Update To update the device firmware select the new firmware file After having pressed the Upload button a dialog window will appear Confirm the firmware update and wait for the process to complete Information on current DSP1 DSP2 and WEB version 1s also found in this section Storage Information about the device storage space 1s found in this section The entire internal storage could be deleted by pressing the Format button System Log By pressing the Clear button all records in the System log will be deleted Factory Defaults e Al except IP all settings except for the Network settings IP Address will be deleted e Channels all settings applied to the channels of the Logger and the RDS PI RBDS Call campaign will be switched back to the factory defaults To restore DB4004 to 1ts Factory Defaults you should first select the desired option and then press the relevant button A new window will appear confirm that you want to restore the factory defaults and wait for the process to be completed On completion of the process the settings should have the proper default values Reboot To start Rebooting of DB4004 press the Reboot button A dialog warning window will appear Confirm that you want to reboot the device and wait for the process to be completed Wo jo JN 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 83
29. Front panel settings Display Brightness 0 100 step 10 Display brightness Display Contrast 0 100 step 10 Display contrast LED Brightness LED bars brightness Screen Saver Disable 1 2 5 10 Screen saver control Panel Timeout 10 600 step 10 Panel inactivity timeout Audio loss LED settings Threshold Kaa Ey Wo Timeout LED activation delay Home Screen INT Select Device s home screen Fan Control Fan speed control Factory defaults settings Selects parameter group to apply defaults Revert defaults to selected parameter group 81 E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST NOTE 1 Default values for complex alarm parameters are as follows For all Alarms RF Alarm MPX Alarm MPXPWR Alarm Pilot Alarm RDS Alarm Left Alarm and Right Alarm _ 82 E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST Default value Unit Temperature Alarm Low threshold 0 High threshold Low alarm trigger level High threshold Low threshold 80 High alarm trigger level Fan Alarm Low threshold 500 High threshold 800 rpm Low alarm trigger level High threshold Low threshold 10000 5000 rpm High alarm trigger level RDS Group Alarm Group seleetor_
30. Hz 80 Q 7 5kHz 8 PHONES R L R KH FM RADIO MONITORING RECEIVER At the extreme left is located the Phones connector Next to them are the sub areas of FM MODULATION METERING and AUDIO DEMOD METERING with the appropriate SELECT buttons and LED indicators Both areas contain 60 segments LED bargraphs The upper one is used to indicate the Total Deviation the Positive or Negative deviations divided each other and the Pilot signal as well The lower bargraphs are used to show the demodulated audio according to the mode selected by the SELECT button on the left of them Right Area ES DEVA MODEL DB4004 OLED Display signals received by DB4004 can be viewed and analyzed by the built in OLED display This is the display to visualize all the measurements of the received signal and show the various DB4004 settings Soft Buttons used to navigate through the menus guickly access the parameters modes and functions and to alter their values Their functions vary in accordance with the selected menu On the bottom side of the OLED display are located Soft Buttons indicators and they alter their meaning following the function currently selected by the Soft Buttons Pressing of a Soft Button causes a visual effect of pressing the appropriate button on the OLED Screen Soft Buttons will be referred as SB leftmost one SB2 SB3 and SB4 rightmost one further in this manual Navigational Buttons UP and DOWN LEFT and RIGHT
31. ING METERING 60 segments LED bargraph indicator to visualize the highest Positive or Negative deviation or both of them default as selected by the SELECT button It is peak responding and it updates and holds the highest peak When both the POS DEV and NEG DEV indicators are lighted the highest deviation in either polarity is shown and this is the default display mode SELECT button also switches the bargraph to display the injection level of 19 kHz stereo pilot signal which is usually set to 7 8 kHz injection Stereo PILOT signal is read on the lower metering scale It is calibrated in appropriately smaller scale then the carrier deviation SELECT Button used to change mode of the LED bargraph indicators and associated LED indicators Possible selections are POS DEV NEG DEV POS DEV NEG DEV PILOT AUDIO DEMOD METERING two 60 segments LED bargraphs showing Left and Right or L R and L R demodulated audio By default the AUDIO DEMOD METERING displays left and right channels of the stereo pair with the L R indicator lighted It is recommendable leaving this display in the default mode The SELECT button can be used to switch the AUDIO DEMOD METERING display between L R and L R L R Upon selecting any of the L R or L R L R the relevant indicator will light but the headphones will continue monitoring the L R stereo program Although there are instances where the L R and L R bargraphs may be close in value as a rule of thumb th
32. L SETTINGS Set J anti J our Channel 1 Name Power FM N Disabled H Anti N Ant2 Range Thresholds D High 75 05 00 min 05 00 min Trigger time Release time Freguency MHz 91 10 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 Acguisition time 0 00 10 sec Pilot Alarm 0 kHz O E Low Trigger time 0 Range Thresholds D High 3 0 05 00 min Release time 0 05 00 min Ch 1 91 10 Ch 2 104 50 Ch 3 95 70 Ch 4 99 90 Ch 5 101 80 Ch 6 87 10 Ch 7 98 10 Ch 8 98 10 Ch 9 98 10 Ch 10 98 10 Ch 11 98 10 Ch 12 98 10 Ch 13 98 10 Ch 14 98 10 Ch 15 98 10 Ch 16 98 10 Ch 17 98 10 Ch 18 98 10 Ch 19 98 10 Ch 20 98 10 06 Feb 2013 Session time 09 08 27 02 40 H Emai sms SNMP ff GPo e E Emai SMS SNMP GPO e Thresholds H Low 30 Trigger time 0 1 High 75 05 00 min Release time 0 05 00 min MPX Power Alarm 12 dBr 12 lessen E Low 8 0 E High 6 0 Trigger time 0 05 00 min 05 00 min Range Thresholds Release time 0 N Emai ff sms N SNMP GPO vi UU Emai f sms E snmp f GPO Left Audio Alarm Range Thresholds E Low Trigger time 0 MHigh 0 05 00 min Release time 0 0
33. MAINTENANCE AND OPERATION INSTRUCTION MANUAL DB4004 DSP based FM Radio Monitoring Receiver with TCP IP Connectivity ES DEVA Publish Date 08 Nov 2013 Contents Fottoen 6 General TITOMATTON usan EE EN E 7 Product ESA TIE OS ammusta svasaa EEN 8 E EE 9 EE A VOM sik eins iatas tess E aay Ne ch aus a tases deeaind ad ewan he ca sea daa ean cad xan ease a ae eee aces 11 Belore VOL EE 12 KE EE 12 Operating Environment Kecommeudagitons eee 13 Installation Specifications and Precautions regarding the RF Environment Antenna Consider EE 14 Connecting AC Power and Voltage Selection nnen 15 Panel Indicators Switches and COnne ctor cccccccccccccsscccccccscccsscccscccsccccscccecccsssccscccesccescccescces 16 Front Panel Lef EE 16 L A RS 16 ROU ATOU A ii 16 EE 16 A A 16 NAVI canon al DUTT OIS aasta sire ies TIKE mens set A ERU TKO SEN Eua me ie 16 Ee 17 Rear Panel AORTA di tai title ise 18 ODOM OM ii iii 19 A Word about Measurement PIMIOLLONS eege eege 19 SS OUI A EE 19 E AI ate A 19 CO GHOHNCLINICTICLCNCE EE 20 PEM LOIT KON sas acd gece aaa aceasta ence eae ees 21 Front Panel Readout Section Left Aide 22 F hone ean ee 22 Bargraphs and LED Indicators Select Buttons 22 E TEE RTE EE 22 SELECT DON ii E 22 AUDIO DEMOD METERIN E noses e aaa ae ee 22 eelere 25 Eege 23 Front Panel LCD Display Navigational amp Soft Buttons Right Side 24 JOIS DIA Vaarama Eeer 24 TI COAT TAT CO A A KESK ee 25 Ee 26
34. Main Screen VV ONIN E 27 Operate Modos ONG ASES Eed 28 Eed 28 EE EE 28 realno A NEW E 268 BAVAS CIN EE 29 EE 31 Marker E ONILOLSTA O maamassa das e ee Se 33 EE Stale er 34 EE 33 NA EE EE EE EE 37 Measure Stereo DAS A Ee 38 EE EE 39 TOV D AN un o es ee 4 RDS ACCOA E DATO RA RR E 45 KI DATO ASA A K SAT ELN saamiset 47 A eege E eege e nene 53 Manual IP Address EE 53 INCL WOVIG DISCOV E 54 SE 54 EE 55 Ee 56 IMAGE DASS CRE Cl dt A dat DT MEA STE A A o A ehcnime aids winmsaeceuatelsimunntese 58 EE 59 SCOPE CA a 60 Band on DTO sssusa sama EE EE EE 61 EE 62 EN 63 GCI CNES KOO na ss oe hs O 64 ET 65 ALONS S EUN O S N VECNE EEEE EE E T ea 66 EE 66 EE 66 LOS Ser NOIN OS CCE a EE EE EE 67 LOSSEP NANNELSOHINOS oaammmamkaotum Ee ida 68 EE 68 EE 68 A eegene 68 COMMUNI COON DOT ICO A tds 69 NOOTI O A O PO A A A A 69 RE 69 E EE 69 EE 70 EE 70 EE 70 LAD DUC AON GS E 70 AUTOS NOUS IVO eet T 70 EE 70 Ann een eT re eee CTT renner ee terre rer 70 TS AAN a icc EE EE 71 EE 72 A a Sen elect TZ A ER SRP EES NUS er ERT THOT EEE MS er EEO ES Me er Ee eer ore 72 SYL OO assa a aasia te dae shi cha kansaansa yh E ANE maa Sa 72 POCO EE Ja E A A A A A A 72 APPENDIX FAlrm IFCCS osian rR ceci cid 73 DUTT g EE 73 EELER EE 75 APPENDIX 2 List of DB4004 settings eege 76 WARRANTY TERMS AND CONDITIONS isasaaasaaasaaasaaaaaaa sa aaaaaaaa annan naa ua enaa aamuna aaaakna auma anu 84 Product Resistration Ee 85 THIS PAGE
35. NOTE If you re prompted for an administrator password or confirmation type the password provide confirmation or contact your system administrator If you have already enabled this function on your computer DB4004 will be automatically added to the Device list section The device will be ready for usage and no additional adjustments will be required except for user name and password ACCESS The DB4004 provides you with a protected access to the device settings You can choose between two types of log in 1 Asan Administrator which will give you full control over the settings username admin password pass 2 Asa User this type of log in will allow you to monitor the device and to choose different stations without applying settings username user password pass In order to make the necessary adjustments to the device please log in as Administrator _ 54 MAIN SCREEN DB4004 Advanced FM Monitoring Receiver Set I anti fo anta ch 1 91 10 Ch 2 104 50 Ch 3 95 70 Ch 4 99 90 ch 5 101 80 Ch 6 98 10 Ch 7 98 10 Ch 8 98 10 Ch 9 98 10 Ch 10 98 10 Ch 11 98 10 Ch 12 98 10 ch 13 98 10 Ch 14 98 10 Ch 15 98 10 Ch 16 98 10 ch 17 98 10 Ch 18 98 10 Ch 19 98 10 DEVA BROADCAST Ch 20 98 10 05 Feb 2013 Session time 17 13 26 37 47 readings MPX 73 5 kHz 120
36. OD bi Kaf O a LL bol Ek L pi KI I Qda CN Wi 7 STEREO Eb 31 18MHz RDS AF list view _45 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com 101 60 FM LLL ETTEI STEREO Co 31 18MHz RDS Statistics view 101 60 FM KEE ATT IN 31 18MHz RDS Group Seguence view 1 J W 7 2E43 BG C 4A4F 9 JO 101 80 FM a A A i AR ATT ul AHT 1 Di L J mi me R T D Da 0000 00 STEREO Eb 31 19MHzZ RDS Raw Data view Button assignments OK Transition to Main menu page Left Right Changes current freguency Up Down Changes currently displayed RDS page view SB1 SB4 Fast Presets 46 O 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Settings page Select Settings icon from Menu page and short press OK button on it The transition to Settings page will be made Bandscan FFT n agi About RDS Decoder The device settings are organized as hierarchical tree menu Settings menu Similar parameters are grouped in sections branches The overall view of the Settings menu is shown on the figure below 95 00 FM RF IITTI Tune ATTEN TI AHT 1 Home Tuner section branch from the root
37. PL PTY DL MS Yes gt gt gt TA TP RT Radio Text RT PS Program Service name TMC ODA Group Analyzer Yes Yes Yes Yes Yes Yes Yes Yes Group Seguence Display RDS RAW Data Display W es p gt lt N O m 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com FFT SPECTRUM ANALYSIS RF COMPOSITE AUDIO FFT length 2048 points Dynamic range 90 dB SCOPE ANALYSIS RF COMPOSITE AUDIO METERING ACCURACY RF Level MPX Power Total Pos Neg Pilot RDS OUTPUTS COMMUNICATION INTERFACES Ethernet 10 100 Base T RJ45 Connector GSM Modem 15 pin Male D Sub Connector MEASUREMENT STORAGE 2GB Build in Memory Card Text CSV POWER Supply Connector SIZE AND WEIGHT Dimensions W H D 485 x 44 x 180 mm 19 x 1 7 x 6 9 Shipping Weight 3kg 71b 00 240V 50 60 Hz 25W EC320 ke j 4 10 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com BLOCK DIAGRAM A simplified block diagram of DB4004 is shown below Analog Rear Panel DSP Analog Audio AES EBU Downconverting Optical MPX Out FM demodulation Stereo decoding Metering GPO GSM Modem Ethernet USB Control and Front panel Communication LED CPU OLED Us
38. Pilot tone injection As good practice the pilot deviation should be about 10 from total deviation of the RF carrier _ Same for RDS signal _42 BROADCAST E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 Group 3 This group shows Audio related levels Group 4 This group shows reception quality related levels E Ultrasonic Noise bargraph lower is better To give an indication about the Ultrasonic Noise the amplitude of the high freguency content of the MPX signal is measured This is measured in the bandwidth of approximately 80 kHz up to 150 kHz Stereo Blend bargraph higher is better In stereo signals the difference L R component of the MPX signal is more susceptible to disturbances than the sum L R signal Therefore the separation of the left and right audio channels can be reduced in order to reduce the audibility of the disturbance This reduction of channel separation is called stereo blending The level of stereo blending is depends on the following input signals Signal Level Multipath Ultrasonic Noise and Pilot tone deviation A3 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com High Cut bargraph Most of the effect of disturbances is present in the
39. S length limitations only the most important parameters are included 75 D le VA 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com APPENDIX 2 List of DB4004 settings Default value Unit Tuner Tuner related submenu Antenna 1 Active RF antenna input Auto dB Auto dB 50 kHz 27 36 45 53 62 71 79 88 97 105 114 123 ee 131 140 149 157 Auto Auto KHz ENUM Auto ENUM Auto ENUM Auto ENUM Auto ENUM Off kHz Deemphasis ENUM FLAT 50 75 50 us De emphasis settings RDS Mode ENUM RDS RBDS RDS decoder mode Signal averaging related submenu Attack Time Attack time for signal measuring Release Time Release time for signal measuring Peak Hold Peak hold time Communication related submenu General communication settings Ethernet ENUM nable Disable Ethernet port general SNMP ENUM nable Disable SNMP protocol Application ENUM nable Disable Application proprietary protocol HTTP ENUM nable Disable HTTP protocol WEB server Freguency RF Input Attenuator Ant Attenuator Ant 2 Frequency Step Attenuator setting for antenna input 1 Attenuator setting for antenna input 2 Step for freguency tuning IF Bandwidth IF filter bandwidth Stereo Blend Stereo blend control High Cut High Blend Soft Mute Audio Cut High cut control High blend control Soft mute control Audio cut control
40. SMS notification e SNMP enables disables SNMP notification e GPO enable disable GPO action NOTE If the notification option is global disabled notifications will not be sent irrespective of whether they are enabled or disabled Alarm e Range Thresholds interactive slider used to adjust the Low amp High thresholds on which an alarm will be generated e Trigger Time waiting time before Active Alarm is generated e Release Time waiting time before Idle Alarm is generated e RDS RBDS Group Alarm an alarm only for selected groups will be generated NOTE For detailed information on Alarm trigger and notifications refer to APPENDIX 1 Alarm Triggers on page 73 OS COMMUNICATION SETTINGS SCREEN DEVA BROADCAST Set Bo ANT2 Chan1 Rich Power FM Ch 3 101 80 Ch 4 98 10 ch 5 98 10 Ch 6 98 10 Ch 7 98 10 Ch 8 98 10 ch 9 98 10 Ch 10 98 10 Ch 11 98 10 Ch 12 98 10 Ch 13 98 10 Ch 14 98 10 Ch 15 98 10 Ch 16 98 10 Ch 17 98 10 Ch 18 98 10 Ch 19 98 10 Ch 20 98 10 06 Nov 2013 Session time 13 13 29 02 32 Network Enable DHCP IP Address I Enabled Enabled Disabled Primary DNS Sec DNS Netmask Gateway HTTP Server Enable H Enabled Server Port Session time 0 03 00 min FTP Server Enable H
41. Settings menu is selected 94 00 FM FF MM Frequency TIN 10 BARATA Horie Frequency parameter from Tuner branch is selected _47 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com There is several areas in the Settings menu screen A Settings menu title shown the path to currently selected menu item Note that parameter name has to be considered in the context of settings menu title For example Settings gt Tuner Frequency is different from Settings gt Logger gt Channel 1 Frequency Navigation area the selection of certain branches parameters is made here The selected item is drawn in highlighted color The names of the branches or parameters are listed oh the right side of the navigation area The value of the parameter is shown on the right against the parameter name Since branches have no values associated with them the tree dots are shown instead This indicates a sublevel branch or parameter Button assignments OK Acts differently depending on current selection If selection is e Menu branch the transition to selected branch is made and the branch items are listed in navigation area e Menu parameter the value of that parameter is highlighted and edit mode is entered e Menu complex parameter such as Alarm the parameter editor is shown
42. State Province ZIP Postal Code Country E 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 above specified product s Privacy statement DEVA Broadcast Ltd will not share the personal information you provide on this card with any other parties 85
43. Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 Levels page Select Level icon from Menu page and short press OK button on it The transition to Levels page will be made Settings Graphs Pi LULU anin Hore About RDS Decoder Levels page shows bargraph representation of different parameters measured by DB4004 The parameters are shown in groups by four Each bargraph displays averaged momentary value in highlighted color number minimum and maximum peak values Shaded color number found on the left and right bottom edges denotes the measurement range of the parameter The name and measurement unit of the parameter is shown above corresponding bargraph 099 90 FM FE dE Frequency Offset kHz Te T ATT y ID ra H Multipath FI E 31 10MHz Ja r MHZ ASEMA z 141 86hMHz E 0 14 IF Eandwidth Group 1 This group shows RF carrier related parameters RF level in dBuV at the selected antenna input The attenuator position is taken into account in level calculation Frequency OFFset kHz 0 14 Frequency offset of the RF carrier in kHz With this parameter the misalignment between the modulation and demodulation frequency can be measured As the misalignment is expected to be small a large offset indicates disturbance for example adjacent channel breakthrough Frequency offset is measured with better accuracy if there is no modulation of the carrier The usable range depends of selected ZF filter
44. W ch 31 ch4o N ch 41 Ch s0 Ch 1 91 10MHz Anti RF OK MPX OK Left OK Right OK Pilot OK RDS OK MPX Power OK 012345678 9101112131415 4408 0000000000000 go0000000005550050000 012345678 9101112131415 Aa poo0o0000000000000 B8O00000000050000000 Ch 2 104 50MHz Ant RF OK MPX OK Left OK Right OK Pilot OK RDS OK MPX Power OK 012345678 9101112131415 A4Bogo000000000000 go0000000000000000 012345678 9101112131415 A poo 0000000000000 es O0O000000000000000 Ch 3 95 70MHz Ant1 RF OK MPX OK Left OK Right OK Pilot OK RDS OK MPX Power OK 012345678 9101112131415 44808 0000000000000 s oo00000000000000 Ch 8 Disabled MPX Right RDS MPX Power 012345678 9101112131415 A po00000000000000 e 0o000000000000000 Ch 4 99 90MHz Anti RF OK MPX OK Left OK Right OK Pilot OK RDS OK MPX Power OK 012345678 9101112131415 440800000000 00000 go00000000550500000 012345678 9101112131415 40000000000000000 BoOooooo0o0o0o0o0o0o0o0oo00 Ch 5 101 80MHz Anti RF OK MPX OK Left OK Right OK Pilot OK RDS OK MPX Power OK 012345678 9101112131415 4aBoBao00 0000000000 gpo000000000000000 012345678 9101112131415 A poo 0000000000000 e O0000000000000000 FM Graph PX Scope Bandscan Wa E LD 3 Status 8 The status tab shows the alarm status of each parameter of the preset frequencies along with the basic device and network status IP address MAC etc
45. ________f ______________ All groups deselected RDS Group selector NOTE 2 Default values for complex channel parameters are as follows Logger channel 1 50 Name ISIR Name Chammelmame TI _ 83 O 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com WARRANTY TERMS AND CONDITIONS I TERMS OF SALE DEVA Broadcast Ltd products are sold with an understanding of full satisfaction that is full credit or refund will be issued for products sold as new if returned to the point of purchase within 30 days following their receipt provided that they are returned complete and in an as received condition II CONDITIONS OF WARRANTY The following terms apply unless amended in writing by DEVA Broadcast Ltd A The Warranty Registration Card supplied with this product must be completed and returned to DEVA Broadcast Ltd within 10 days of delivery B This Warranty applies only to products sold as new It is extended only to the original end user and may not be transferred or assigned without prior written approval by DEVA Broadcast Ltd C This Warranty does not apply to damage caused by improper mains settings and or power supply D This Warranty does 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 seria
46. a directed exactly to this site If you would like to monitor more than one transmitter site we recommend using antenna system with separate antennas for each of the monitored directions 14 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com CONNECTING AC POWER AND VOLTAGE SELECTION Before connecting the AC Power make certain that the internal Power Switch and the fuse rating are in accordance with the mains supply at your location ATTENTION DB4004 Power Supply Factory Settings are 100 240 VAC Amp Fuse CAUTION Permanent damage will result 1f improper AC supply voltage is applied to the DB4004 device Your warranty does not cover damages caused by applying improper supply voltage or use of an improper fuse 15 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Panel Indicators Switches and Connectors FRONT PANEL LEFT AND RIGHT AREAS The DB4004 front panel can be provisionally divided into two main areas Left Area and Right Area A brief description of controls and switches indicators and displays located in both areas is given below For detailed information please refer to Operation on page 19 Left Area POS NEG i PILOT DEV DEV i 70 75k
47. age In such cases the inscription of a specified Soft Button corresponds to the page it is linked with Most of the pages have the same or similar functionality distinctive segments areas Pressing of a specified Soft button causes a visual effect of pressing the appropriate Soft button on the OLED Display Function Menu Page Parameter to be changed etc that are linked to a specified Soft button will appear as inscription on the button Example Cancel discard changes being made applying stored preset freguency HOME PAGE will be selected return to previous page alternating low threshold button NOTE On some pages the Header and Soft button area may be hidden _26 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Main Screen Working Area The Main part of the OLED Screen is the place where the information changes dynamically depending on the selected working mode The Menu Screen shown below appears after a short pressing of the OK Navigational Button The DB4004 s Menu Page contains selectable icons and software buttons for selecting modes and functionalities of this device Pressing Left and Right arrow buttons changes icon selection of the Menu Page An icon is selected when it receiver the rectangle focus frame around it Short pressing of the OK button on selec
48. andscan Ch 13 98 10 Ch 14 98 10 Ch 15 98 10 Ch 16 98 10 Settings O 5 P ch 17 98 10 ch 18 98 10 Ch 19 98 10 Ch 20 98 10 05 Feb 2013 Session time 17 31 15 36 46 The graphic represents the MPX Deviation overshoot in percentage over time Standard overshoot is measured at 75 kHz and is indicated in the top right corner of the graphic The graphic below represents MPX Power over the time span of 60 min This signal has an initial integration time of 1 min after that a new sample will be available every 20 seconds The radio freguency to be observed could be easily set by using the preset buttons placed on the left part of the screen SN E BROADCAST E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 SPECTRUM SCREEN IJ anti f ant2 Ch 1 91 10 Ch 2 104 50 RDS Ch 3 95 70 Ch 4 99 90 e e em em FM Graph Ch 5 101 80 Ch 6 98 10 MPX Ch 7 98 10 Ch 8 98 10 Spectrum Ch 9 98 10 Ch 10 98 10 Scope Ch 11 98 10 Ch 12 98 10 Bandscan Ch 13 98 10 Ch 14 98 10 Status Q Ch 15 98 10 Ch 16 98 10 Settings Ch 17 98 10 Ch 18 98 10 Ch 19 98 10 Ch 20 98 10 Average W 1 J 5 fm 20 j i 50 Infinity 05 Feb 2013 Session time 17 33 25 37 54 H
49. bandwidth For best result set IF filter bandwidth to 153 kHz manual _A 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com gt Level of multipath reception in percent The multipath detector measures amplitude fluctuations of the signal An FM signal 1s broadcast with a fixed level Therefore level fluctuations indicate degraded signal quality At multipath conditions large level fluctuations can be measured For best measurement accuracy try to find reception point with lowest multipath level Shows currently selected ZF filter bandwidth Group 2 This group shows Stereo multiplex related parameters Ges These two bargraphs shows the deviation from positive and negative component of MPX signal In wideband FM used in wireless broadcasting the instantaneous frequency varies above and below the frequency of the carrier with no modulation When the instantaneous input wave has positive polarity the carrier frequency shifts in one direction when the instantaneous input wave has negative polarity the carrier frequency shifts in the opposite direction At every instant in time the extent of carrier frequency shift the deviation is directly proportional to the extent to which the signal amplitude is positive or negative Mod Input 3 FM Output FM Output Shows the deviation caused by
50. be fairly symmetrical about the carrier frequency Using the built in Attenuator can be of some help but using of an outdoors directional antenna could dramatically improve the situation with unwanted adjacent working stations Other solutions include a band pass filter at the primary frequency or a trap at the interfering frequency 20 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com FIRST TIME POWER ON In this chapter we will try to give you a brief guidance on starting and initial setup up of DB4004 By this you will get initial understanding of procedures and measurements in daily use of DB4004 For the beginning the items needed are a pair of headphones and a connection to an outside antenna Considerations in the choice of antenna are described in details previously in this manual see Installation Specifications and Precautions regarding the RF Environment Antenna Consideration on page 14 Assuming that the Mains voltage at your location is in permitted range of 110 240 VAC you can plug in the power cord free end into the wall socket Now turn the POWER switch ON NOTE The DB4004 powers up to the last selected frequency This frequency along with some of the settings and parameters will be held by the DB4004 s non volatile memory and used on switching on of DB4004 Plug the headphones in
51. ct desired frequency by the Navigational Buttons and press hold Soft Button for about 2 seconds until two short beeps are heard from DB4004 A new Preset was created with parameters corresponding to those at the time of creation FREQUENCY ATT ANTENNA PORT The newly created Preset is assigned to the Soft Button and Preset frequency 18 shown as button label 28 O 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Bandscan Page Select Bandscan icon from Menu page and short press OK button on it The transition to Bandscan page will be made Bandscan FFT n agi Hore About RDS Decoder The data from last bandscan since DB4004 power up will be shown on the display If there is no data from previous bandscan the empty grid will be displayed Since more space for data plot is needed the Header area is not shown on that page The labels of the Soft buttons are hidden automatically short time after soft button is released There is three control states in Bandscan page Span control Marker control and Parameter control The states can be identified by the labels of the Soft buttons If the labels appears as shown on the figure below that mean the page is in Marker control state 20 BROADCAST E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski Str 8000 Bou
52. ction type and pulse time for each of the GPOs could be set individually You can choose between the following functions Alarm GPO RDS Lock TA Flag and TP Flag Type is used for specifying of the active level When an alarm is generated the output can change the level to Active High Low or to generate High Low Pulse PLEASE NOTE that if the GPO s function is not assigned as Alarm GPO and the selfsame is chosen as a preferred alarm notifications will not be indicated nevertheless one is being generated TI 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 E mail office devabroadcast com Web www devabroadcast com DEVA BROADCAST OTHER SETTINGS SCREEN Set H anti J ANT2 Power FM Darik Burgas BG Radio NJoy Star FM Power FM Ch 8 98 10 Ch 9 98 10 Ch 10 98 10 Ch 11 98 10 Ch 12 98 10 Ch 13 98 10 Ch 14 98 10 Ch 15 98 10 Ch 16 98 10 Ch 17 98 10 Ch 18 98 10 Ch 19 98 10 J Channels All except IP Veronika Ch 20 98 10 01 Nov 2013 Session time 14 11 28 02 44 Firmware Update Firmware file DSP1 1 6 1047 2013 07 01 09 14 52 DSP2 1 6 1047 2013 07 01 09 14 52 WEB 1 6 1047 2013 07 01 09 14 52 Browse No file selected Upload Used Space 960 78 MB Free Space 922 97 MB Format Factory
53. e L R meter should generally lag the L R meter by at least a few dB 1 e the L R sum will always have more energy than the L R difference and this applies to nearly all recorded music For signals where voice announcements are predominant without background music or for other mono sources the L R indication may drop almost off scale The SELECT button associated with the above described bargraphs cycles amongst various options each of them identified with an associated LED indicator 92 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com L R L R L R LED indicators associated with AUDIO DEMOD METERING scales and indicating currently selected mode LOSS indicating that the audio of the Left and or Right stereo channel is lost DB4004 can detect program audio loss and alarm is initiated whenever any of the Left or Right channels of the stereo pair drops below selected threshold for certain time The LOSS detection threshold level and time can be adjusted from Settings gt Device gt Loss menu This function is not affected by the SELECT button oe 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com FRONT PANEL LCD DISPLAY NAVIGATIONAL amp SOFT BUTTONS RIGHT SIDE D
54. e Markers Button assignments weert SB1 Marker B SB2 controls Marker A Marker B appearance There is three states of each marker e hidden marker is not visible e shown marker is visible but is not selected e selected marker is visible and selected For markers in visible state shown or selected a readout for X and Y axes appear on the left side of the data plot If both markers are visible the differential Marker B Marker A values become available at the bottom lett Selected marker is drawn with highlighted dashed line the marker readout is highlighted also There can be only one selected marker at the time If only one marker is visible it is always selected Marker A is shown Marker B is selected The logic of transition between these states is explained in following diagram Marker is hidden SB1 or SB2 press Marker Is shown SB1 or SB2 press Marker is selected Left Right Buttons move selected marker to the left right with one screen pixel increment NOTE The step resolution of marker movement depends from selected X span Up Down Buttons just like in Span control state Up and Down buttons us used to change the Y reference 33 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Parameter control state Parame
55. e are also available in shaded color 09 00 FM YPF dr FEF III Chi 10 IH YERONIKA Graph history of RF level 00 00 FM MES Power dEr EF III ATT 10 ere ie lal AHT 1 YERONIKA Graph history of MPX Power time span is in minutes 39 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Button assignments OK Transition to Main menu page Left Right Changes current frequency Up Down Changes currently displayed parameter history Following parameters are available for observation RF Level from 10 to 110 in dBuV Multipath level from 0 to 50 in percent Total MPX deviation from 0 to 125 in kHz MPX power from 12 to 12 in dBr Due to 20 second integration of MPX power calculation the time span for MPX power graph is in minutes Up to 48 minutes of MPX power history is available Pilot level from 0 to 15 in kHz RDS level from 0 to 15 in kHz Left Right Main level from 60 to 10 in dB Left Right Sub level from 60 to 10 in dB Left audio level from 60 to 10 in dB Right audio level from 60 to 10 in dB Freguency offset of the RF carrier from 50 to 50 in kHz Temperature in the device from 10 to 90 C SB1 SB4 Fast Presets _ 40 BROADCAST E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski
56. e audio material as well as visualizing the stereo image or balance of the material Experienced users of this type of display can easily detect the differences between mono signals pan pot stereo and true stereo signals The audio levels for both left and right channels are given in kHz Button assignments OK Transition to Main menu Left Right Sets current frequency Up Down Increases decreases Phones audio level SB1 SB4 Fast Presets _ 38 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Graphs page Select Graphs icon from Menu page and short press OK button on it The transition to Graphs page will be made Stereo Settings Graphs e Yo Horie About ROS Decoder Graph page represents the value deviation of measured parameters in time The X axis of the data plot area is elapsed time in seconds New peak value sample is added to data graph on every 125 ms 20 seconds for MPX power Up to 20 seconds of measurement history is available for each parameter The most recent moment in time is on the right side of the graph The name and the unit for Y axis of currently measured parameter is displayed on top left corner of data plot On the right side of the display a bargraph indicator is used to display momentary value of selected parameter The low and high limits of measured rang
57. e number Number 5 TEL fo blank Fifth allowed phone number Security related submenu CEET Access Control Front panel access control Access Code 0 9999 step 1 Front panel access code Access Timeout 60 3600 step 1 Access 1s granted timeout Remote control security settings Admin Name CA O Admin access level name Admin Password STR opass I Admin access level password ed AA User Name User access level name User Password User access level password Alarms related submenu Alarm events control settings Email ENUM Alarm through email SMS Alarm through SMS SNMP Trap Alarm through SNMP trap GPO Alarm through GPO pin GPO pins settings GPO1 Type GPO pin 1 active level GPO1 Pulse Time 1 120 step 1 GPO pin 1 pulse duration GPO2 Type GPO pin 2 active level GPO2 Pulse Time 1 120 step 1 GPO pin 2 pulse duration GPO3 Type GPO pin 3 active level _79 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Description GPO3 Pulse Time TIMER GPO pin 3 pulse duration GPO4 Type GPO pin 4 active level GPO4 Pulse Time GPO pin 4 pulse duration GPO5 Type GPO pin 5 active level GPOS Pulse Time GPO pin 5 pulse duration GPO6 Type GPO pin 6 active level GPO6 Pulse Time GPO pin 6 pulse duration GPO7 Type GPO pin 7 active level GPO7 Pulse Time 1 120 step 1 GPO pin 7 pulse duration RF Alarm Note 1 RF level alar
58. e of FM stereo can be as much as 20 dB worse than that of monaural broadcast As a general rule better reception and measurement can be obtained by using highly directional outdoors antenna Such antenna besides improving the signal strength will contribute in eliminating the multipath distortion A bargraph indicator used in DB4004 allows measuring the strength of the signal being received where the rule the more the better is in force To reach this indicator activate LEVELS menu Multipath Distortion In FM reception regardless of overall signal strength a very important consideration is that obstacles which an FM signal may encounter in the line of sight path tend to reflect and disperse the signal in many directions In many locations especially in urban areas where many tall buildings interfere with the direct transmitted signal or in suburban areas surrounded by hills or mountains an FM receiver may pick up a station s primary signal but also several secondary reflections coming from various directions These reflections arrive at the receiver out of phase slightly delayed in time with the primary signal and tend to blur or distort the principal signal The degree of distortion depends on the number and relative strength of the reflections The result known as multipath distortion in FM reception can range from a low level fuzziness to a severely distorted sound guality particularly at the high freguencies or treble Multipath
59. eb www devabroadcast com DEVA BROADCAST GENERAL SETTINGS SCREEN Set anti N ANT2 Ch 1 91 10 Ch 2 104 50 Ch 3 95 70 Ch 4 99 90 Ch 5 101 80 Ch 6 98 10 Ch 7 98 10 Ch 8 98 10 Ch 9 98 10 Ch 10 98 10 User admin f Pass General Alias DB4004 DEMO Date amp Time Date Time Time zone UTC 02 00 el Temperature Alarm Range Ja Thresholds E Low E High Trigger time 0 min Release time 0 min I emai La La leo Ch 11 98 10 Ch 12 98 10 Ch 13 98 10 Ch 14 98 10 Ch 15 98 10 Ch 16 98 10 Ch 17 98 10 Ch 18 98 10 Ch 19 98 10 Ch 20 98 10 05 Feb 2013 Session time 17 39 13 37 54 user Fan control Speed Auto v SNTP Internet Time Enable I Enabled f Disabled Server pool ntp org Server Port 123 Fan Alarm SIDD rpm 10 Range Jam Thresholds E Low Trigger time 0 Release time 0 E High min min H Emai sus aw Leo DB4004 provides you with protected access to the device settings You can choose between two types of log in e Asan Administrator It will give you full control over the settings of the device e Asa User that will allow you to just monitor the device and to choose different stations while the Settings bar remains locked In order for the security of DB4004
60. ed The contractors of DEVA Broadcast Ltd are satisfied with the permanent business comfort and to their own confession they owe it to a great extent as well as their prosperity to the loyal partnership of our company O 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com General Information The DB4004 is our second generation digital FM Radio Modulation Analyzer It combines our long term experience in FM Radio Monitoring and FM radio measurement know how The RF IF signal is digitalized as soon as it enters the device and all signal processing is then made through DSP algorithms Digitizing the signal in this way at the input gives the equipment measurement reproducibility over time The powerful accuracy of the digital filters used in this equipment enables the FM multiplex signals components to be accurately and repeatedly reproduced from one device to another The incredible processing power in the device enables all measurements to be refreshed simultaneously and synchronously thereby allowing for detailed readings of all the Multiplex FM signal components The DB4004 has easy to read high resolution OLED graphical display and ultra bright bargraph LED 60 segment indicators that allow reading the main signal parameters at a glance The built in DB4004 Oscilloscope representing the observed signal change over time e
61. ent de emphasis selections the guestion arises which one to select As well known one of the problems with the high guality VHF FM transmissions is that the increased audio bandwidth means that background noise can often be perceived It is particularly noticeable towards the treble end of the audio spectrum where it can be heard as a background hiss To overcome this it is possible to increase the level of the treble freguencies at the transmitter At the receiver they are correspondingly attenuated to restore the balance This also has the effect of reducing the treble background hiss which is generated in the receiver The process of increasing the treble signals is called pre emphasis and reducing the treble signals in the receiver is called de emphasis The rate of pre emphasis and de emphasis is expressed as a time constant It is the time constant of the capacitor resistor network used to give the reguired level of change In the UK Europe and Australia the time constant is 50us whereas in North America it is 75us So it can be selected depending on the region you are located or to completely disable this feature 25 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Soft Buttons Soft buttons are located on the bottom side of the OLED Display making possible direct transition from some of the pages to another p
62. er controls Because of the all digital minimalist discrete component nature of device circuitry we have not provided schematic diagrams of the DB4004 in this Manual Please note that NO USER SERVICEABLE COMPONENTS INSIDE REFER ALL SERVICING TO QUALIFIED TECHNICAL PERSONNEL 11 O 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Before you start SAFETY PRECAUTIONS After removing any housing parts and electronic assemblies it is possible to get access to live parts It is essential to ensure that the subsequent safety rules are strictly observed e Servicing of electronic equipment must be performed by qualified personnel only e Before removing covers the equipment has to be switched off and the mains cable unplugged e When the equipment is open the power supply capacitors have to be discharged by the help of a suitable resistor During servicing unprotected and operating equipment never touch bare wires or circuitry use insulated tools only never touch metal semiconductor cases because they may carry high voltages e For removing and installing electronic components please follow the recommendations concerning the handling of MOS components ATTENTION DB4004 uses internal Lithium battery Do not try to re charge this battery In case you have to change the battery please contact us for detai
63. et the rate in which the indicators level will change in response to the signal For most of the applications including this one the recommended attack time is shorter than the release time Peak hold time Permits retaining and displaying the peak value reached by the signal for a period of time predefined by the user 2 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 E mail office devabroadcast com Web www devabroadcast com DEVA BROADCAST ALARMS SETTINGS SCREEN Set anta p a Ch 1 91 10 Ch 2 104 50 Ch 3 95 70 Ch 4 99 90 Ch 5 101 80 Ch 6 98 10 ch 7 98 10 Ch 8 98 10 Ch 9 98 10 Ch 10 98 10 Ch 11 98 10 Ch 12 98 10 Ch 13 98 10 Ch 14 98 10 Ch 15 98 10 Ch 16 98 10 Ch 17 98 10 Ch 18 98 10 Ch 19 98 10 Ch 20 98 10 Alarm notifications E mai J Enabled if Disabled SNMP Enabled II Disabled Range Thresholds E Low Trigger time 0 Release time 0 E High 75 min min E Emai E sms la fl GPo MPX Alarm Range Thresholds W Low Trigger time 0 Release time 0 E High 75 min min E Emai La N SNMP leen Left Audio Alarm Range Thresholds Trigger time Release time 0 E High o min min IN Email sms snmp
64. igh Density 14 GPO Optoisolated Female D Sub 15 pins 17 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com REAR PANEL ALARM TERMINAL MADE IN BULGARIA CAUTION www devabroadcast com DISCON CON LAN 1 GPOI Collector 9 GPO1 Emitter 2 GPO2 Collector 10 GPO2 Emitter 3 GPO3 Collector 11 GPO3 Emitter 4 GPO4 Collector 12 GPO4 Emitter 5 GPOS Collector 13 GPOS Emitter 6 GPO6 Collector 14 GPO6 Emitter 7 GPO7 Collector 15 GPO7 Emitter 8 GND LOAD S GPO1 1 9 S GPO1 9 LOAD _18 BROADCAST E mail office devabroadcast com Web www devabroadcast com D VA 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 Operation A WORD ABOUT MEASUREMENT LIMITATIONS Signal Strength Signal strength is a major factor when a signal is measured and evaluated FM as compared to the AM is a much less susceptible to the inherent noise in radio reception On the other side speaking about FM broadcasting it is the monaural reception which can tolerate and profit from a much narrower IF bandwidth Stereo reception adds all the noise present in the 23 53 kHz sub band Moreover it is the amplitude component AM of this sub band that is converted down to audible noise to be added to the program signal That is why the noise performanc
65. ion ALARM e MPX Power Alarm alarm settings for MPX power ALARM e Pilot Alarm alarm settings for Pilot tone deviation ALARM e RDS Power Alarm alarm settings for RDS subcarrier deviation ALARM e RDS Group Alarm alarm settings for RDS group presence ALARM e Left Alarm alarm settings for Left audio signal level ALARM e Right Alarm alarm settings for Right audio signal level ALARM Example Channel 1 settings _52 O 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com WEB Interface DB4004 can be controlled through the built in web server A standard web browser can be used to monitor the status of the device or to make some adjustments There are two options for access to the WEB Interface of DB4004 The first one is through manual identification of the IP address of the device and the second one is through the Network discovery option For Windows 7 users only MANUAL IP ADDRESS IDENTIFICATION Connect the device to a local network or to the Internet by the applied LAN cable Through the Front panel navigational menu pressing the OK button you will be enabled to enter the device main menu Using the Right navigational button find the Status section located at the end of the Menu Press the OK Button to enter the Status section Via the Fr
66. isplay The DB4004 s OLED display has three function areas Header Soft Buttons and Main Screen Working area OLED Display with its function areas _24 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Header Area Header is located on the left quarter of the screen Depending on contents of working area the header may contains the following items 99 90 Frequency Indicator showing the currently selected frequency is located in the upper left corner Frequency s resolution is 0 01 MHz UL op 1 Currently selected active Antenna Input ANT 1 signal being processed is the one from the Antenna 1 Input ANT 2 input from Antenna 2 Input iid BR Attenuator Indicator showing the currently selected position of the active Antenna Input Attenuator s position can be set manually by the operator or automatically be the DB4004 STEREO Ftv Indicator for Stereophonic Information contained in the received signal and currently selected de emphasis time constant EDS Indicator for RDS information contained in the received signal LSK Decoded PS information from RDS signal KHT Indicator to show the signal level at selected antenna input PENTTI Indicator to show the phones audio level HMT Indicator to show currently selected IF band pass filter bandwidth Having three differ
67. l identification label has been removed or altered HI 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 repaired free of charge or the equipment will be replaced with a new or remanufactured product at DEVA Broadcast Ltd option B Parts and labor for factory repair required after the one year Warranty period will be billed at prevailing prices and rates IV RETURNING GOODS FOR FACTORY REPAIR A Equipment will not be accepted for Warranty or other repair without a Return Authorization RA number issued by DEVA Broadcast Ltd prior to its return An RA number may be obtained by calling the factory The number should be prominently marked on the outside of the shipping carton B Equipment must be shipped prepaid to DEVA Broadcast Ltd Shipping charges will be reimbursed for valid Warranty claims Damage sustained as a result of improper packing for return to the factory is not covered under terms of the Warranty and may occasion additional charges 84 O 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com PRODUCT REGISTRATION CARD e All fields are required or warranty registration is invalid and void Your Company Name Contact Address Line 1 Address Line 2 City
68. led instructions and more information for the battery type 12 BROADCAST E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 OPERATING ENVIRONMENT RECOMMENDATIONS For the normal and reliable operation of the DB4004 device and reaching better measurements we recommend to follow the next list of instructions Please install the unit only in places with good air conditioning The unit has been designed for operation within an ambient temperature range extending from 10 to 50 C But because adjacent less efficient equipment may radiate substantial second hand heat be sure that the equipment rack is adequately ventilated to keep its internal temperature below the specified maximum ambient temperature We do not recommend installation in rooms with high humidity dusty places or other ageressive conditions Although it 1s expected that a DB4004 will be installed close to exciters or transmitters of even higher power please practice reasonable care and common sense in locating the unit away from abnormally high RF fields Please use only already checked power supply cables and sources The shielded cables usage 1s strongly recommended We strongly recommend connecting the device only to reliable power supply sources In case of unstable power supply please use UPS Uninterruptible Power Supply Please use the device only
69. lysis and regular off air monitoring of your stations ote BROADCAST E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 Product Features e FM Band 87 108 MHz Basic Spectrum Analyzer e Dual antenna ports with built in RF attenuator e Upto 100 dBuV direct RF Antenna Input e Selectable wide range IF filter bandwidth e Fully DSP based core e Bright accurate bar graph LED metering of the Modulation and Pilot Levels e Total and independent Positive and Negative deviation bar graph e Left Right L R L R bar graph LED audio level meters e Wide angle easy to read OLED display e Very Intuitive Navigational Menu e Built in Oscilloscope for IF MPX Pilot RDS Left amp Right display e Levels measurement with data history e Spectrum analyzer allowing checking of the RF Carrier and MPX e Selectable De emphasis Off 50us and 75us e Ouick Station access via 4 Presets e Built in Stereo Decoder e Real Time Audio Program Streaming e Remote Listening via optional GSM modem e Built in 50 channel Data logger e Built in WEB and FTP server e Easy to use WEB interface e Apple and Android devices support e SNTP for automatic synchronization of the built in clock e RDS and RBDS decoder with BER meter e Alarm dispatch via E mail SMS SNMP and GPO e Complete status reporting with SMS via optional GSM modem e Protected
70. m settings MPX Alarm Note 1 oe MPX Power Alarm Note 1 D Pilot Alarm Note 1 L t level alarm settings RDS Alarm ALARM see Notel E RDS subcarrier level alarm settings NNN PO AAA AA AA MPX total deviation alarm settings MPX power alarm settings z RDS Group Alarm RDS group presence alarm settings Left Alarm Note 1 Right Alarm Note 1 Temperature Alarm Note 1 Fan Speed Alarm see Note 1 Device fan speed alarm settings Logger related submenu Logger Mode Logger mode start time delay Channel 1 Settings for logger channel 1 E PP Channel 50 CHANNEL see Note 2 Settings for logger channel 50 Audio MPX Outputs Audio MPX output related submenu Phones Volume 60 0 step 1 12 dB Head phones audio level 60 6 step 1 Audio output level Left audio level alarm settings Right audio level alarm settings Device temperature alarm settings Z Z Audio Volume 80 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Description MPX Volume MPX output level GSM Volume GSM audio level Digital Out Digital audio output control Device related submenu Alias SIR DBA Alias name for device Date Time settings DATE 01 Jan 2012 31 Dec 2100 Manual set Date 0 0 0 23 59 59 step 1 Manual set Time 12 00 14 00 step 30 min Timezone
71. nables you to visualize the most important signals participating in the process of demodulating and stereo decoding Complimenting the Oscilloscope mode the Spectrum analyzer mode allows spectral analysis of the input signal and part of DB4004 features Spectral components of the selected signal are determined on the basis of Fast Fourier Transform MPX Power and all other level measurements are supported by measurement history data In addition to the list of DB4004 features RDS information contained in the processed MPX signal is easily visualized and represented as RDS RBDS Data and detailed RDS RBDS Statistics Dependable off air monitoring lets you keep an eye on other stations in the market as well as measuring the important parameters of your own signal Adjustable Alarms enable alerting for most the important signal components and parameters to be generated and are fed to the Rear Panel Alarm Terminal for remote alarm notification The DB4004 is designed to support USB and LAN communication interfaces allowing flexibility in remote connection and control of the unit The DB4004 is the most cost effective way for regular monitoring of the quality and continuity of your station and up to 50 other FM Radio Stations with many innovative features such as TCP IP connectivity audio streaming and automatic alerts for operation outside of predefined ITU R ranges In case of transmission failure maintenance staff will be immediately alerted via E mail
72. nd port to be used GSM Modem Up to five numbers for SMS control and alarm notifications could be set Baud Rate 1s mandatory for the proper operation of the GSM Modem We recommend that 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 the specified GSM numbers Example of Test SMS Message DB4004 Test Message NOTE The current condition of the GSM Modem could be checked in the Status Screen Application Server Enable Disable the DEVA Device Manger Application Server Specify the Server Port and session timeout Audio Stream Server Specify Port for audio Streaming and Quality 64 96 128 192 or 256 kbps The Audio Stream could be heard using suitable audio player Media Player Winamp etc or through the WEB interface by pressing the Listen button E mail Enter the desired alarm recipients in e mail 1 and or e mail 2 fields Fill in your e mail account settings Sender Username and Password Server SNMP port and connection type We recommend you to use the Test button and generate a test e mail which upon success will be delivered to the specified E mail 1 and or E mail 2 Example of Test E mail Message DB4004 Test Message Please do not reply to this e mail USB Port Enable Disable the USB port WARNING The applied changes will take effect upon pressing the Save button All settings marked
73. nge Using external antenna is reguired when the DB4004 receiver is used for off air monitoring too far from any transmitters or transmitter site Very important step in such case is selecting the proper outdoor FM antenna antenna location and direction The three most popular antenna types are omni directional unidirectional dipole and directional multi element array antenna The omni directional Antenna is not a good choice for using with DB4004 because of the low antenna gain the very bad signal to noise ratio compared to any directional antenna and its high multipath interferences reception The other type antennas unidirectional dipole and directional multi element array antenna have some directivity and antenna gain These factors make these antennas much proper for your needs We recommend the usage of factory made antenna or antenna system manufactured especially for the FM Radio Band 88 108 MHz After selecting the antenna type that will meet your needs the next step is the installation of the antenna You must follow several important principles Install the antenna far enough from any walls roofs buildings or any transmitting eguipment The minimum spacing between the antenna and the closest object must be more than 3 meters One DB4004 monitoring receiver is usually used for the monitoring of one transmitter site transmitting more than one program In such cases the best antenna that can be used is a directional antenn
74. ont panel navigational menu press the DOWN button This operation will visualize the screen containing information about the IP Address of the device sa O 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Open a new WEB Browser and enter the device IP address in the address field then press Enter N SSC New Tab 192 168 1 2 E Deva Broadcast Ltd NOTE Due to the inability of some WEB Browsers to read the IP address format displayed on the screen of the device the numbers included in the IP Address must be written without the leading zeros For example 192 168 020 095 must be written as 192 168 20 95 A window that requires username and password will appear NETWORK DISCOVERY This 1s a network setting that defines whether your computer can see find other computers and devices on the network and whether other computers on the network can see your computer By default Windows Firewall blocks network discovery but you can enable it 1 Open Advanced sharing settings by clicking the Start button and then Control Panel In the search box type network click Network and Sharing Center and then in the left pane click Change advanced sharing settings 2 Select your current network profile 3 Click Turn on network discovery and then click save changes
75. r control state from FFT page a EY determine the source signal for FFT calculation Four possible values are available RF MPX Left and Right The name of the selected signal source is overlayed at right bottom corner of the data plot eS select active antenna input of DB4004 Window Rectangle sets the Window Function to calculate the FFT The possible values of the parameter are Rectangle Barlett Blackman Hamming von Hann and Flat top More information regarding Window Function utilizing can be found on http zone ni com devzone cda tut p 1d 4844 Average 5S indicates buffer numbers taken into account in calculation and obtaining the average signal The possible values of the parameter are 1 no average 5 10 20 50 Infinite sets the frequency at which the DB4004 is tuned _ 36 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Scope Page Select Scope icon from Menu page and short press OK button on it The transition to Scope page will be made Scope mode is used to visualize the most important signals participating in the process of demodulating and stereo decoding This mode represents the observed signal change over time In order to maximize the plot area the Header and Soft buttons labels are hidden Settings Eandscan FFT Scop Stereo do o Horie Abo
76. rgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 Short pressing SB3 once will make the transition from Marker to Span control state and Soft button labels will be changed accordingly The controls state of the page will be changed alternatively between Marker and Span on every SB3 press Short pressing OK button in either Marker or Span control states will make a transition to Parameter control state The page will stay in that state until OK button is pressed again or a timeout of 2 seconds is elapsed whichever occurs first Simplified state diagram of the control states transitions 1s shown on figure below 2 sec timeout Span control state Parameter control state SB3 press Marker control state 2 sec timeout _ 30 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Span control state In this state ART SB2 and Arrow buttons controls span of the data plot The following is description of button assignments in span control state Xx Span SBI cycles through available span values for X axis of the data plot Possible values are between 3 and 21 MHz in 1 MHz increments Note that changing X span may also change the center frequency to keep data plot in bounds On each key press next span value is selected and displayed briefly on the screen SMHz X
77. s edit mode _ 48 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Example rimary DNS 192155 001 007 Example Primary DNS MNetwork Mask 255 255 255 000 Button assignments for IP in edit mode OK Accept the value and exits edit mode Up Down Cycles through possible values for selected highlighted background segment of IP address The value always stays in permitted parameter range Left Right Selects previous next segment from the ZP address SB4 Discards altered value and cancels edit mode IP port PORT Represents IP port Example Manager Port Button assignments for P port in edit mode See IP address description String STR Represents string Example Button assignments for STR in edit mode e OK Accept the value and exits edit mode Note that certain String like e mail addresses are validated prior acceptation If validation fails the message box is displayed and edit mode is not left after message box confirmation For example Mech Horie Insert OK press 98 00 FM Errore El AT 1 Entry is not valid OK press 98 00 FM H ENKI Hore 49 Ss D VA 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com e Up Down
78. s generated RDS RBDS Group Alarm alarm only for selected groups will be generated NOTE For detailed information on Alarm trigger and notifications refer to APPENDIX 1 Alarm Triggers on page 73 66 LOGGER SETTINGS SCREEN DEVA BROADCAST Set anti p a Ch 1 91 10 Ch 2 104 50 Ch 3 95 70 Ch 4 99 90 Ch 5 101 80 Ch 6 98 10 Ch 7 98 10 Ch 8 98 10 Ch 9 98 10 Ch 10 98 10 Logger Enable I After 10 sec v Channels 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 E mail office devabroadcast com Web www devabroadcast com cha 91 10 Ch 2 104 50 ch 3 95 70 cha 99 90 chs 101 80 che 98 10 ch 7 98 10 ch 8 98 10 ch 9 98 10 chan 98 10 ch 11 98 10 ch 12 98 10 ch 13 98 10 Cch 14 98 10 chas 98 10 ch 16 98 10 ch 17 98 10 chs 98 10 ch 19 98 10 ch 20 98 10 ch 21 98 10 ch 22 98 10 ch 23 98 10 ch 24 98 10 ch 25 98 10 ch 26 98 10 ch 27 98 10 ch 28 98 10 ch 29 98 10 chan 98 10 ch 31 98 10 ch 32 98 10 ch 33 98 10 ch 34 98 10 ch 35 98 10 ch 36 98 10 ch 37 98 10 ch 38 98 10 ch 39 98 10 chan 98 10
79. select the antenna input to be used during bandscan Pressing SB4 in Bandscan page will transition to previous page Leaving the page will not stop running bandscan The bandscan will continue until it is finished or the value of Bandscan parameter is set to Stop _ 34 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com FFT Page Select FFT icon from Menu page and short press OK button on it The transition to FFT page will be made As name of the page shows spectral components of the selected signal are determined on the base of Fast Fourier Transform The data from last selected FFT source signal since DB4004 power up will be shown on the display FFT with MPX selected as signal source The control states of FFT page are identical to the controls states of Bandscan page see Span control state onpage31 Markercontrol state onpage33 Parametercontrol state onpage 34 The X Span Y Span Center Frequency Y Reference and Markers can be changed in similar way Each signal source has dedicated set of X Span Y Span Center Frequency and Y Reference setting 35 O 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com There are several parameters available in Paramete
80. signal value pos 4 falls in this region no alarm event will be generated The basic elemets are 1 Lower limit of the alarm range 2 Low threshold value 3 Value unit 4 Current value of the signal 5 High threshold 6 Higher limit of the alarm range Button assignments for ALARM in edit dialog OK Accept the value and exits edit dialog Up Down Changes the value of selected highlighted sub parameter The value always stays in permitted parameter range Low threshold value cannot exceed the high threshold value and vice versa Left Right Selects previous next sub parameter of the alarm SB2 Toggles ON OFF low alarm event generation SB3 Toggles ON OFF high alarm event generation SB4 Discards altered sub parameter values and cancels edit mode 51 Ss D VA 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Channel CHANNEL This is complex parameters which combines several sub parameters together CHANNEL represents the settings for one logger channel e Name channel name for convenience STR e Frequency channel frequency INT e Active enables disables this channel ENUM e Acquisition time this long logger will stay and measure on that channel TIMER e RF Alarm alarm settings for RF level ALARM e MPX Alarm alarm settings for MPX total modulat
81. span is selected MEDI SBI cycles through available span values for Y axis of the data plot Possible values are 30 60 90 and 120 dBuV Note that changing Y span may also change the Y reference to keep data plot in bounds On each key press newly selected value is displayed briefly on the screen 120 dBuV Y span is selected 31 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Left Right Buttons changes center frequency of the data plot on 500 kHz increments Permitted values for center frequency depends from currently selected X span Selected value for center frequency is briefly displayed on the screen 95 MHz center frequency is selected Up Down Buttons changes Y axis reference the value for the bottom of the Y scale Permitted values are from 20 dBuV in 10 dBuV increments The upper limit of Y reference depends from currently selected Y span Selected Y reference is briefly displayed on the screen 10 dBuV reference is selected EE 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Marker control state Up to two markers named 4 and B are available in Bandscan page SB1 SB2 Left and Right buttons controls the visibility and position of th
82. ted icon will make a transition to corresponding page On figure below the Bandscan icon is selected The following Operating Modes and Pages can be selected using the Navigational Buttons Home page Bandscan page FFT page Scope page Stereo page Settings page Graphs page Levels page Status page About page RDS Decoder page a BROADCAST E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 OPERATING MODES AND PAGES Home Page Immediately after power up and boot process of DB4004 the Home page is shown on the display Transition to Home page can be made from any page where be Soft Button is available There is several Home page views available which can be altered through Settings gt Device gt Home Screen menu On the default home screen the Header area is shown see Header Area on page 25 Shown are also the most important flags attributes of the decoded RDS signal if present and big indicator of currently selected freguency Pressing any of the Soft Buttons will set to the appropriate preset Preset explained PRESET is a pre saved set of parameters for instant automatic recall later on Creating a new Preset Navigate to page of the DB4004 in which Soft Buttons are assigned to Preset In such page the labels of the soft buttons are FM Frequencies e g Home page Sele
83. ter control state allows specific parameters to be set before starting the bandscan Button assignments Left Right Buttons cycles through available parameters Up Down Buttons changes the value of selected parameter The name and the value of the selected parameter appears briefly over the data plot Upon leaving Parameter control state the readout for selected parameter will disappear from the screen This occurs on OK press or after 2 seconds timeout if no button 1s pressed Following is the list and short description of available parameters from Bandscan page Bandscan Start Stop Used for starting or stopping of the bandscan process Setting the value of this parameter to Start will start the bandscan process During bandscan the LED bargraphs are turned to stylized box shaped progress indicator The information for bandscan progress is also shown on right bottom corner of data plot After bandscan completion the value of the Bandscan parameter is set to Stop automatically Bandscan in progress Running bandscan can be stopped by setting the value of Bandscan parameter to Stop Start Frequency 87 00 108 00 MHz set the start frequency of the bandscan End Frequency 87 00 108 00 MHz set the end frequency of the bandscan Step 10 20 50 100 kHz set the step increments for the band Smaller step leads to more fine bandscan but is slower RF Input Antenna 1 Antenna 2
84. to the front panel jack PHONES and using the LEFT lt or RIGHT gt Navigational Buttons start tuning in Find a strong local station that even with a short wire antenna could be clearly heard on the phones If needed try repositioning the antenna in order to improve reception Regardless of the previous selections both deviations Positive and Negative will be selected upon DB4004 powering on and both POS DEV and NEG DEV LED indicators of FM MODULATING METERING will be lighted Although the SELECT button enables independent monitoring of positive and negative deviation the DB4004 is in the default mode when both the POS DEV and NEG DEV indicators are lighted Unless there is a reason for doing otherwise the FM MODULATION METERING display should be kept in the default mode for the most exact measurement of the station s carrier deviation The above are just the very first basic steps in DB4004 operation Detailed explanation of tuning setting up and measurement procedures are given in the next chapters 21 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com FRONT PANEL READOUT SECTION LEFT SIDE Phones Phones jack to monitor the received signal Headphones volume can be menu adjusted by going to Settings gt Audio MPX Outputs gt Phones Volume Bargraphs and LED Indicators Select Buttons FM MODULAT
85. ut RDS Decoder Eack The data from last selected Scope source signal since DB4004 power up will be shown on the display Scope with RDS selected as signal source The display appearance and control states of Scope page are identical to the controls states of Bandscan page see Span control state on page 31 Marker control state on page 33 Parameter control state on page 34 The X Span Y Span Center Frequency Y Reference and Markers can be changed in similar way Each signal source has dedicated set of X Span Y Span Center Frequency and Y Reference setting Available parameters in scope page REECH E Determine the source signal for scope plot Possible sources are RF MPX Left Right Pilot RDS Sub and Main The name of the selected signal source is overlayed at right bottom corner of the data plot RF Input Antenna 1 Select active antenna input of DB4004 Sets the frequency at which the DB4004 is tuned e O 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 BROADCAST E mail office devabroadcast com Web www devabroadcast com Measure Stereo page Select Stereo icon from Menu page and short press OK button on it The transition to Measure Stereo page will be made The graphical representation of the phase relations between Left and Right audio channels is illustrated above This graphic is used to assess mono compatibility of th
86. with require Reboot therefore the Save amp Reboot button should be used NOTE The edited field will become red if the new value is invalid or out of range 70 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 E mail office devabroadcast com Web www devabroadcast com EES DEVA OUTPUTS SETTINGS SCREEN Audio MPX output Set O anta J anT2 Power FM Darik Burgas BG Radio Veronika NJoy Star FM Power FM ch 8 98 10 Ch 9 98 10 Ch 10 98 10 Ch 11 98 10 Ch 12 98 10 Ch 13 98 10 Ch 14 98 10 Ch 15 98 10 ch 16 98 10 Ch 17 98 10 Ch 18 98 10 Ch 19 98 10 Ch 20 98 10 Analog Audio Digital Audio W Enabled I Disabled Function Type Pulse time GPO 3 Function Type Pulse time GPO 5 Function Type Pulse time GPO 7 Function Type Pulse time MPX GSM Audio Function Type Pulse time GPO 4 Function Type Pulse time GPO 6 Function Type Pulse time General Tuner Alarms Logger Comm Outputs 01 Nov 2013 Session time 14 23 01 02 54 The general purpose outputs settings are applied through this page The Audio MPX output section allows the setting of the Audio and MPX Outputs according to your needs Fun
87. x 359 56 836700 FM GRAPH SCREEN fi ANT1 f anTa Ch 1 91 10 Ch 2 104 50 RDS Ch 3 95 70 Ch 4 99 90 FM Graph Ch 5 101 80 Ch 6 98 10 MPX Ch 7 98 10 Ch 8 98 10 Spectrum Ch 9 98 10 Ch 10 98 10 Scope Ch 11 98 10 Ch 12 98 10 Bandscan Ch 13 98 10 Ch 14 98 10 Status O O Ch 15 98 10 Ch 16 98 10 Settings Ch 17 98 10 Ch 18 98 10 Ch 19 98 10 Ch 20 98 10 05 Feb 2013 Session time 17 32 41 36 55 This screen represents all mandatory signals over the time span of 1 minute All parameters have own color representation and measurement units visible below the graph According to your needs the signals listed on the right part of the dialog window can be visible or hidden Click on the corresponding button in order for a parameter to be displayed hidden The radio frequency to be observed could be easily set by using the preset buttons placed on the left part of the screen 57 BROADCAST E mail office devabroadcast com Web www devabroadcast com 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 MPX SCREEN Set D anti anta Ch 1 91 10 Ch 2 104 50 Ch 3 95 70 Ch 4 99 90 FM Graph O Ro Ch 5 101 80 Ch 6 98 10 Ch 7 98 10 Ch 8 98 10 Ch 9 98 10 Ch 10 98 10 Scope Ch 11 98 10 Ch 12 98 10 B
88. zed by setting low and high freguency limits of the scan Once you have set the freguency step and low high freguencies the start button should be pressed in order for the Bandscan process to be initiated The current scan could be stopped at any time by pressing the Stop button To evaluate the RF level of the specified freguency move the vertical marker along the horizontal scale The Values at the cross point will be shown at the top right corner of the graph 6 STATUS SCREEN Set anta I ant2 Ch 1 91 10 Ch 2 104 50 ch 395 70 Ch 4 99 90 Ch 5 101 80 Ch 6 98 10 ch 7 98 10 ch 8 98 10 Ch 9 98 10 Ch 10 98 10 Ch 11 98 10 Ch 12 98 10 Ch 13 98 10 Ch 14 98 10 Ch 15 98 10 Ch 16 98 10 Ch 17 98 10 Ch 18 98 10 Ch 19 98 10 Ch 20 98 10 05 Feb 2013 Session time 17 38 09 37 34 00 04 A3 15 0D A5 1 2 965 2012 12 19 12 33 22 49 0 C 0 RMP DEVA BROADCAST Type Assigned by DHCP PF 192 168 1 28 Netmask 255 255 255 0 Gateway 192 168 1 1 DNS 1 192 168 1 1 DNS 2 0 0 0 0 65 Aleksandar Stamboliyski Str 8000 Bourgas Bulgaria Tel 359 56 820027 Fax 359 56 836700 E mail office devabroadcast com Web www devabroadcast com Not present MPX Power Temp Fan 10 11 3 D D D D o o J l chi chio N chi1 ch20 H ch 21 ch30

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