DEVA Broadcast DB4005 Manuel utilisateur

MAINTENANCE AND OPERATION

INSTRUCTION MANUAL

Publish Date: 17-Dec-2020

DB4005

SDR-Based FM Radio Modulation Analyzer

and Monitoring Receiver

Contents

Introduction........................................................................................................................................ 6

Typographic conventions .................................................................................................................. 7

General Information.......................................................................................................................... 8

Product Features ................................................................................................................................ 9

Technical Specications ................................................................................................................ 10

Block Diagram .............................................................................................................................. 12

Before you start ................................................................................................................................ 13

Safety Precautions......................................................................................................................... 13

Operating Environment Recommendations................................................................................... 14

Installation Specications and Precautions regarding the RF Environment.

Antenna Consideration.................................................................................................................. 15

Connecting AC Power and Voltage Selection ............................................................................... 16

Panel Indicators, Switches and Connectors................................................................................... 17

Front Panel – Left and Right Areas............................................................................................... 17

Left Area ................................................................................................................................... 17

Right Area................................................................................................................................. 17

OLED Display ..................................................................................................................... 17

Soft Buttons.......................................................................................................................... 17

Navigational Buttons ........................................................................................................... 17

Rear Panel..................................................................................................................................... 18

Rear Panel Alarm Terminal .......................................................................................................... 19

Operation.......................................................................................................................................... 20

A Word about Measurement Limitations ....................................................................................... 20

Signal Strength ......................................................................................................................... 20

Multipath Distortion................................................................................................................. 20

Co-channel Interference ........................................................................................................... 21

First Time POWER ON ................................................................................................................. 22

Front Panel – Readout Section (Left Side).................................................................................... 23

Phones ...................................................................................................................................... 23

Bargraphs and LED Indicators, Select Buttons ....................................................................... 23

FM Modulating Metering .................................................................................................... 23

Select Button ........................................................................................................................ 23

Audio Demod Metering........................................................................................................ 23

L, R, L+R, L–R..................................................................................................................... 24

Loss ...................................................................................................................................... 24

Front Panel - LCD Display, Navigational & Soft Buttons (Right Side)........................................ 25

Display...................................................................................................................................... 25

Header Area.............................................................................................................................. 26

Soft Buttons............................................................................................................................... 27

Main Screen Working Area....................................................................................................... 28

Operating Modes and Pages......................................................................................................... 29

Home Page ............................................................................................................................... 29

“Preset” explained .............................................................................................................. 29

Creating a new Preset.......................................................................................................... 29

Bandscan Page ......................................................................................................................... 30

Span control state: ............................................................................................................... 32

Marker control state: ........................................................................................................... 34

Parameter control state:...................................................................................................... 35

FFT Page.................................................................................................................................. 36

Scope Page ............................................................................................................................... 38

Measure Stereo page ................................................................................................................ 39

Graphs page ............................................................................................................................. 40

Levels page ............................................................................................................................... 42

RDS decoder page .................................................................................................................... 46

Settings page............................................................................................................................. 48

How to change the tuning range.......................................................................................... 51

How to start a Logger campaign using the front panel menu?..................................................... 54

WEB Interface ................................................................................................................................. 55

Manual IP Address Identication.................................................................................................. 55

Network Discovery ........................................................................................................................ 56

Access............................................................................................................................................ 56

Main Screen................................................................................................................................... 57

RDS/RBDS Screen......................................................................................................................... 58

FM Graph Screen.......................................................................................................................... 59

MPX Screen................................................................................................................................... 60

Loudness........................................................................................................................................ 61

Spectrum Screen............................................................................................................................ 62

Scope Screen.................................................................................................................................. 63

Bandscan Screen ........................................................................................................................... 64

Status Screen ................................................................................................................................. 65

Log Screen..................................................................................................................................... 66

monitoring ..................................................................................................................................... 67

General Settings Screen ................................................................................................................ 68

Tuner Settings Screen .................................................................................................................... 69

Alarms Settings Screen.................................................................................................................. 70

Alarm notications ................................................................................................................... 71

Alarm ........................................................................................................................................ 71

Logger Settings Screen.................................................................................................................. 72

Logger Channel Settings ............................................................................................................... 73

Channel..................................................................................................................................... 73

Alarm Notication Type............................................................................................................ 73

Alarm ....................................................................................................................................... 74

Export ....................................................................................................................................... 74

Import ....................................................................................................................................... 74

How to start a Logger campaign? ................................................................................................ 75

Communication Settings Screen.................................................................................................... 77

Network..................................................................................................................................... 77

HTTP Server............................................................................................................................. 77

FTP Server................................................................................................................................ 77

SNMP Agent ............................................................................................................................. 78

Syslog........................................................................................................................................ 78

GSM Modem............................................................................................................................. 78

Application Server.................................................................................................................... 78

Audio Stream Server ................................................................................................................ 78

E-mail ....................................................................................................................................... 79

UECP Relay.............................................................................................................................. 79

USB Port................................................................................................................................... 79

Outputs Settings Screen................................................................................................................. 80

Other Settings Screen .................................................................................................................... 81

Firmware Update .................................................................................................................... 81

Storage...................................................................................................................................... 81

System Log................................................................................................................................ 81

Factory Defaults ...................................................................................................................... 81

Reboot....................................................................................................................................... 81

APPENDIX 1: Alarm Triggers ....................................................................................................... 82

Alarm Triggers .............................................................................................................................. 82

Alarm Notications ....................................................................................................................... 84

APPENDIX 2: List of DB4005 settings .......................................................................................... 85

APPENDIX B ................................................................................................................................... 93

Download les via FTP................................................................................................................. 93

1. FTP Server Settings ......................................................................................................... 93

2. IP Router and Port Translation Settings.......................................................................... 93

3. Example of FTP Client (FileZilla) Settings ..................................................................... 94

WARRANTY TERMS AND CONDITIONS................................................................................. 95

Product Registration Card.............................................................................................................. 96

THIS PAGE

IS INTENTIONALLY

LEFT BLANK

65 Aleksandar Stamboliyski Str., 8000 Bourgas, Bulgaria

Tel: +359 56 820027, Fax: +359 56 836700

E-mail: of[email protected] ,Web: www.devabroadcast.com

- 6 -

Introduction

DEVA Broadcast Ltd. is an international communications and high-technology manufacturing

organization, its corporate headquarters and facility located in Burgas, Bulgaria. The company

serves the broadcast and corporate markets worldwide – from consumers and small businesses to

the largest global organizations. It is dedicated to the research, design, development and provision

of advanced products, systems and services. DEVA launched its own brand back in 1997 and has

nowadays evolved to become known as a market leader and internationally reputed manufacturer

of user-friendly, cost-effective and innovative broadcast products.

Creativity and innovation are deeply woven into DEVA corporate culture. Through successful

engineering, marketing and management our team of dedicated professionals creates future-

oriented solutions to improve customers’ performance. You may rely that all issues communicated

to our crew would be addressed accordingly. We pride ourselves on our pre and post-sales support

and purchase services, which along with the outstanding quality of our radio gear have won us due

respect and the market authority position.

DEVA best-of-breed solutions have become the best sellers for our partners. The strategic

partnerships which have been formed with industry leaders during all these years that we have been

operating on the broadcasting market, have proved us a reliable business partner and a valuable

asset, as our dealers worldwide would conrm. In constant pursuit of precision and long-term

satisfaction, DEVA enhances the reputation of our partners and clients alike. Furthermore, we have

already a proven merit as a credible partner provider.

Our portfolio offers complete line of high quality and competitive products for FM and Digital

Radio, Radio Networks, Telecommunication Operators and regulation authorities. For almost

two decades of intensive software and hardware development, we have achieved a unique price-

performance and endurance of our product lines. Our company’s multitude of equipment and

services is in line with the latest technologies and key trends. The most recognizable characteristics

attributed to DEVA products are their clear-cut, streamlined design, easiness of use and cost-

effectiveness: simplicity of forms but multiplicity of functions.

For us there is no stage when we deem that we have reached the most satisfactory level in our

work. Our engineers are in constant pursuit of new ideas and technologies to be captured in DEVA

solutions. Simultaneously, a strict control is being exercised at each step of any new development.

Experience and hard work are our fundament but the continuous improving process is what we

never leave aside. DEVA participates on a regular basis in all landmark broadcasting events, not

only to promote its products, but to exchange valuable know-how and experience. We are also

engaged in international large-scale projects involving radio and audio solutions which makes us

even more competitive on the global market.

All DEVA products are developed and produced in accordance with the latest ISO 9001 quality

control standards.

65 Aleksandar Stamboliyski Str., 8000 Bourgas, Bulgaria

Tel: +359 56 820027, Fax: +359 56 836700

E-mail: of[email protected] ,Web: www.devabroadcast.com

- 7 -

Typographic conventions

The following table describes important conventions used in the manual.

Convention and Style Description Examples

Menu > Sub Menu >

Menu Command

A menu item(s) and menu

command that you need to click

in sequence

Click Settings > General

[Button] Interface Interactive buttons Press [OK] to save the changes

NOTE Important notes and

recommendations

NOTE: The notication will appear

only once

“Reference Name” on

Page XXX

References and links refer to “New Connection”

(see “Monitoring” on page 56)

Example Used when example text is cited Example for E-mail Notication:

Date: 04 Nov 2013, 07:31:11

65 Aleksandar Stamboliyski Str., 8000 Bourgas, Bulgaria

Tel: +359 56 820027, Fax: +359 56 836700

E-mail: of[email protected] ,Web: www.devabroadcast.com

- 8 -

General Information

DB4005 is DEVA Broadcast’s third-generation digital FM Radio modulation analyzer and

receiver, the result of long years of experience and a desire to always provide intelligent near-

perfect solutions, while keeping pace with the very latest technological developments and trends.

With this product, upon demodulation of the FM signal, the RF signal is digitalized by the

SDR FM tuner and all signal processing is achieved through sophisticated DSP algorithms. The

high precision of the powerful digital lters used in this equipment enables the FM signal to be

accurately and repeatedly analyzed with each device. An important asset to the DB4005 is the

MPX input, which allows you to monitor external composite signals, regardless of whether they

are from a composite STL receiver/stereo FM encoder, or from an off-air source. As this is a tool

of great processing power, it provides detailed readings of all the multiplex FM signal components,

while all measurements are refreshed simultaneously and synchronously.

Another useful feature of the DB4005 is the Loudness Meter, which allows for measurements to

be shown as dened by ITU BS.1770-4 and EBU R128 recommendations, as the product supports

both standards.

The DB4005 has an 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 oscilloscope represents the observed signal change over time and helps you visualize

the most important signals participating in the process of demodulating and stereo decoding.

Complementing the Oscilloscope mode, the Spectrum analyzer mode allows for spectral analysis

of the input signal. 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. Additionally, 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 enables you to keep an eye on other stations as well as measure

the important parameters of your own signal. The DB4005 is designed to support USB and LAN

communication interfaces, allowing exibility of the remote connection and control of the unit.

The DB4005 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 features such as TCP/IP connectivity,

audio streaming, and automatic alerts for operation outside of predened ITU-R ranges. In case

of transmission failure, maintenance staff will be immediately alerted via e-mail, SNMP, or SMS,

which signals the technicians to restore the normal service as soon as possible. The DB4005 allows

you to monitor all RDS/RBDS and other signal parameters from everywhere via its communication

channels TCP/IP, and allows for GSM Connectivity via the optional external GSM Modem. Easy

channel status monitoring or audio listening from everywhere could be done through your mobile

phone. With the Audio Stream Server you can even listen to, skim through, and record the audio

from another station.

All the channel measurements and logs are saved on the internal device memory. The built-in FTP

system manages the les in accordance with an assigned schedule. All the collected information is

centralized in a database and can be revised, played back, and sent automatically to the qualied,

staff if need be. The Interactive Software-based Log Viewer tool allows very detailed control and

analysis of any station from the list of monitored channels. The Band Analyzer function presents

an overview of all FM signals available, plus the RF signal strength of these stations. Scans are

possible within any section of the FM band in 3 different modes. The generated spectrum diagram

shows the RF Level vs. the Frequency.

65 Aleksandar Stamboliyski Str., 8000 Bourgas, Bulgaria

Tel: +359 56 820027, Fax: +359 56 836700

E-mail: of[email protected] ,Web: www.devabroadcast.com

- 9 -

Product Features

• FM Band - User selectable, 87.1-108 MHz (CCIR), 65-74 MHz (OIRT), 76-95 MHz (Japan)

• Dual tuners with built-in RF attenuator

• Up to 100 dBµV direct RF Antenna Input

• Selectable wide range IF lter bandwidth

• Built-in input for external MPX analysis

• Fully DSP-based core

• Built-in Loudness Analyzer

• Bright, accurate bar graph LED metering of the Modulation and Pilot Levels

• Total and independent Positive and Negative deviation bar graph

• Left, Right, L+R, L-R bar graph LED audio level meters

• Wide angle, easy to read OLED display

• Very Intuitive Navigational Menu

• Built-in Oscilloscope for IF, MPX, Pilot, RDS, Left & Right display

• Levels measurement with data history

• Spectrum analyzer allowing checking of the RF Carrier and MPX

• Selectable De-emphasis - Off, 50µs and 75µs

• Quick Station access via 4 Presets

• Built-in Stereo Decoder

• Real Time Audio Program Streaming

• Remote Listening via optional GSM modem

• Built-in 50 channel Data logger

• Built-in WEB and FTP server

• Easy to use WEB interface

• Apple and Android devices support

• SNTP for automatic synchronization of the built-in clock

• RDS and RBDS decoder with BER meter

• Alarm dispatch via E-mail, SMS, SNMP and GPO

• Complete status reporting with SMS via optional GSM modem

• Protected access to the device settings

• Level Adjustable, Balanced Analog Audio Outputs on XLR Connectors

• Professional AES/EBU, SPDIF and Optical Digital audio outputs

• LAN port for full TCP/IP remote control and monitoring

• Adjustable MIN/MAX alarms for RF, Pilot Left & Right Audio Levels

• Adjustable MIN/MAX alarms for MPX, MPX Power & RDS

• USB communication interface for local connectivity

• Headphone output with front panel level control

• Firmware updates will ensure improved operation

• Accurate front-panel metering for local use

• Restore Factory Parameters option

• Easy Installation and Setup

65 Aleksandar Stamboliyski Str., 8000 Bourgas, Bulgaria

Tel: +359 56 820027, Fax: +359 56 836700

E-mail: of[email protected] ,Web: www.devabroadcast.com

- 10 -

TECHNICAL SPECIFICATIONS

RF INPUT

Tuning Range User selectable, 87.1-108 MHz (CCIR), 65-74 MHz (OIRT),

76-95 MHz (Japan)

Tuning Step 10, 20, 50, 100 kHz

Tuner Sensitivity 30 dBµV

Antenna Ports Dual, 2 x BNC Connectors, 50Ω

Antenna Ports Isolation > 40 dB

Internal Attenuator 0, 10, 20 and 30 dB

Dynamic range 100 dB

FM DEMOD

IF Filter Bandwindth 15 Increments (27kHz - 157kHz, Auto)

Frequency Response ±0.1 dB, 10 Hz to 86 kHz

MPX Power ±12 dBr, 20 sec. integration

Dynamic range 90 dB

MPX INPUT

Connector BNC on rear panel

Impedance 10 kΩ

Frequency range 10 Hz to 70 kHz; ±0.01 dB, 100 Hz to 60 kHz;

Sensitivity 3.5 Vp-p @ 100%

STEREO DECODER

Frequency Response (L and R) ±0.1 dB, 10 Hz to 15 kHz

SNR (Stereo) 60 dB, 50 µs de-emphasis

THD 0.15%@1kHz, 0.4% – 10Hz-15kHz, 50µs de-emphasis

Separation 50 dB, 50 Hz to 10 kHz, 50 µs de-emphasis

Crosstalk 52 dB

RDS DECODER

Standards European RDS CENELEC; United States RBDS NRSC

Error Correction & Counting Yes

AF Decoding Yes

CT (Time/Date) Yes

PI, PTY, DI, MS Yes

TA/TP Yes

RT (Radio Text), RT+ Yes

PS (Program Service name) Yes

TMC, ODA Yes

Group Analyzer Yes

BER Analyzer Yes

Group Sequence Display Yes

RDS RAW Data Display Yes

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