Siel EXC-GT Series Instrucciones de funcionamiento

Sede Operativa

Via Toscana, 57/59 - 20090 - Buccinasco (MI)

Tel. +39-02-45713300 Fax +39-02-45713351 e-mail: [email protected] www.siel.com

Siel Broadcast S.p.A

Via delle Acacie, 2/4 - 05018 Orvieto (TR) - Italy

Tel. +39-0763-393721 Fax +39-0763-390752 e-mail: [email protected]

C.F.e P. IVA IT 05305970963 Cap.Soc. € 2.040.000,00 Int. Vers. QUALITY SYSTEM

ISO 9001:2001

CERTIFICATE n. 9110.SIBR

THE INTERNATIONAL

CERTIFICATION NETWORK

REGISTRATION n. IT-61344

FM super-compact transmitter series

User and maintenance manual

Version 1.8

EXC-GT – FM super-compact transmitter series

User’s manual – Page 2 of 98

Preliminary notes

We used the utmost care in making a complete manual with detailed, precise, and updated information; however, the contents herein

cannot be regarded as binding towards our company.

SIEL, in their constant commitment to improve the quality of their products, reserve the right to vary the device’s technical features

without prior notice. For updates, please visit our web-site www.siel.com or contact our local dealer or agent.

The manufacturer will not be held responsible for any consequences caused by errors or improper handling and over which he has no

direct control.

The described options may vary from model to model to meet the specific requirements of our customers.

Siel’s prior written authorization.

Via Toscana 57/ 59 - 20090 Buccinasco (Milan) - Italy

Tel +39-02-45713300

Fax +39-02-45713351

E-mail: [email protected]

Web: www.siel.com

For further information about how SIEL ensures compliance with EC regulations, refer to Chap. 3.

This label indicates the express declaration by SIEL that the product associated with this manual conforms to Directive 1999/05/EC.

EXC-GT – FM super-compact transmitter series

User’s manual – Page 3 of 98

Contents

1INTRODUCTION ..........................................................................................................................5

2SAFETY FIRST!...........................................................................................................................6

2.1 Symbols used................................................................................................................................6

2.2 Warnings .......................................................................................................................................6

3SIEL PRODUCTS AND VALUE ADDED............................................................................................7

3.1 Full conformity to EC regulations ..................................................................................................7

3.2 Quality in series manufacturing.....................................................................................................7

3.3 Overdesigning for performance.....................................................................................................7

3.4 Savings on all fronts...................................................................................................................... 7

4IDENTIFYING YOUR MODEL..........................................................................................................8

4.1 Default screen ...............................................................................................................................8

4.2 External cabinet.............................................................................................................................8

5COMMANDS AND INPUTS ............................................................................................................9

5.1 Location of parts............................................................................................................................9

5.2 List of commands and inputs.......................................................................................................14

6INSTALLATION .........................................................................................................................16

6.1 Check the supplied parts.............................................................................................................16

6.2 General safety rules....................................................................................................................16

6.3 Placement of the device..............................................................................................................16

6.4 Wiring the device.........................................................................................................................17

7AUDIO OPERATING MODES AND ASSOCIATED BF CONNECTIONS................................................20

7.1 Mono transmission from a mono signal ......................................................................................20

7.2 Mono transmission from a stereo signal .....................................................................................20

7.3 Stereo transmission from a stereo signal using the internal stereo encoder..............................20

7.4 Monophonic or stereophonic transmission from a multiplex signal.............................................20

7.5 Connection to LEFT, RIGHT, or MPX modulation connectors....................................................20

7.6 Connection to the MPX input.......................................................................................................21

7.7 Changing the input impedance ...................................................................................................21

7.8 Preemphasis ...............................................................................................................................22

7.9 Operating with the RDS and SCA encoders............................................................................... 22

8BASIC OPERATIONS .................................................................................................................23

9MENU AND NAVIGATION COMMANDS.........................................................................................29

9.1 Multifunction knob .......................................................................................................................29

9.2 ESCAPE button...........................................................................................................................29

9.3 Navigating the commands menu................................................................................................. 29

9.4 Additional commands in the SETUP menu.................................................................................30

10 DESCRIPTION OF THE MENUS ...................................................................................................31

10.1 Default screen .............................................................................................................................31

10.2 VIEW menu.................................................................................................................................31

10.3 SETUP menu................................................................................................................................35

10.4 Hidden menus (under level 3 password).....................................................................................45

11 MAINTENANCE AND WARRANTY................................................................................................47

11.1 Maintenance................................................................................................................................47

11.2 Warranty......................................................................................................................................47

12 TROUBLESHOOTING.................................................................................................................48

12.1 Error messages...........................................................................................................................48

13 CIRCUIT DESCRIPTION..............................................................................................................49

14 TECHNICAL FEATURES.............................................................................................................50

15 INDEX......................................................................................................................................51

EXC-GT – FM super-compact transmitter series

User’s manual – Page 4 of 98

16 ELECTRICAL,MECHANICAL DIAGRAMS AND PARTS LOCATION ...................................................52

EXC-GT – FM super-compact transmitter series

User’s manual – Page 5 of 98

1INTRODUCTION

Congratulations on your purchase! The EXC-GT transmitter series is equipped with the most modern technology available, to

provide you with maximum performance at minimal performance cost, while fully conforming to technical regulations. Flexibility,

quality, compactness, and low electrical consumption make the devices in the EXC-GT series the best offered on the market today.

The transmitters in the EXC-GT series are available ranging from 30 W (for common uses, such as an exciter) to 4 KW, ideal for

N+1 systems and as a spare transmitter. These are just a few of the advanced characteristics that make the EXC-GT series truly

unique:

Super-compact size and reduced weight – The most powerful model is so compact that it can be entirely contained within a

standard 19” 4-unit rack.

Low performance costs. The unique design reduces internal loss and allows the device to achieve an extremely high yield –

typically greater than 80% - minimizing electrical consumption and thus decreasing performance costs.

Sturdy modular construction. Reliable modular construction minimizes and facilitates maintenance operations. In addition, it

ensures a greater average time between failures, as well as ease of maintenance.

Easy to use and to configure. All the transceivers use the same control interface, which is equipped with a large LCD screen,

a multifunction knob, and few other buttons. This allows the user to easily set functions on the device, and to view the

operating parameters in the blink of an eye.

Nominal RF output power over the full FM range particularly stable against time. The output power may be varied from a

minimum level and the operating frequency includes the full FM range, without retouching other parameters.

Power section entirely modular and highly reliable. In the high-power versions, the stage of RF amplification is composed

of multiple internal subcompact modules produced from the latest advances in technology and working in perfect synergy.

Thanks to internal balancing circuits, when a failure occurs in one of the modules, the others are automatically rebalanced,

allowing for transmission at reduced power. Each module is easily identifiable, inspected, and removable without the assistance

of a welder, thanks to the reduced number of interconnections achieved using multi-polar connectors.

RF output stage has a reverse intermodulation figure lower than the standard bipolar construction. Low enough to

approach that of tube equipment, due to the MOS-FET design.

Low level of dissipation. The reduction in internal loss and overall elevated yield minimize the dissipation of heat; as a result,

the devices in the EXC-GT Series perform well even in challenging environmental conditions.

Stable, reliable power supply. The entire line of transmitters integrates the use of power sources with active power factor

correction (PCF), as stipulated in recent regulations. As such, impact on the electrical power source is minimal, resulting in

greater reliability over the entire device.

Easy diagnostics and easy-to-read parameters, thanks to a comprehensive metering and alarms section on the LCD

display. All parameters and alarms are easily accessible from remote posts via the remote control input, which allows the user

to change from stand-by to “on air” in a fraction of a second. Upon request, an external controller can be provided for long-

range use of the device from an office or from other service points.

Compliance with the strictest regulations. This device was designed in full compliance with CCIR, FFC, and other strict

international regulations, as well as the recent, strict EC anti-magnetic noise requirements. In addition, this device complies

with EC and ETSI 302.018-2 v 1.1.2.1 (2006-03) standards.

And that’s not all: Siel products provide greater value added and incomparable quality. For further details, refer to Chap. 3.

Please note that the manufacturer, in its continuous attempt to further improve the quality this product, reserves the right to

change its technical features without prior notice.

,Warning! Before initiating operations, it is essential to read this entire manual – with particular reference to Chap. 2 –

in order to avoid damage to objects or people.

EXC-GT – FM super-compact transmitter series

User’s manual – Page 6 of 98

2SAFETY FIRST!

2.1 Symbols used

For quick reference, we used symbols that attract immediate attention, and which simply and efficiently advise and inform the user.

,The symbol of the open hand stresses a description of the highest importance concerning technical assistance,

dangerous situations, safety warnings, advice, and/or information of the highest importance. Where such symbol is

not heeded, serious problems/consequences may arise.

The written notebook represents practical, important advice that we recommend be followed in order to obtain the best possible

performance from the device.

The display messages (menu, options, etc.) are written in this font (Courier New).

Important sentences and words are underlined.

For ease of reference, cross references to sections, chapters, page numbers, diagrams, etc. may be indicated using the 2symbol.

For example: “23.1” means “refer to section 3.1”

2.2 Warnings

,Before connecting or using this device, carefully read all instructions contained in this manual, in the order in which

they are written. Cross references to sections and chapters were created exclusively for ease of use. Keep this

manual in a safe place for future reference.

,IMPORTANT: Improper use or installation of this device could cause serious damage to objects and people alike.

Therefore, it is essential to rely on an installer who has been previously authorized or approved by Siel, or by our local

representative, and that both the user and the installer read the entire manual before carrying out any operation.

,All warnings included in this manual must be strictly followed to avoid damages to both the device and the operator.

Read and follow all instructions indicated on warning labels or affixed to the device and its accessories.

,The EXC-GT Series family of transmitters has characteristics common to all its models. However, each version is

equipped with a different transmission power, and characteristics specific to the series or options that make it unique.

For this reason, it is important to verify the exact model of your device, as explained in detail later in this manual.

,Depending on the model used, the device may be of a weight such as does not permit it to be moved by a single

person and without the proper equipment. In this case, the transmitter should only be moved exclusively with the

proper equipment and having taken the proper precautions. The same is true for various internal parts. In case of

doubt, contact Siel.

,Do not turn on the device without having duly wired and connected it, as explained in Chap. 6.

,Always follow the laws and regulations stipulated regarding the use of broadcast transmitters, as in effect in the

geographical area in which you are operating.

This manual describes in detail the menus that appear on the LCD display: as the software is continually updated, some of the

screens shown in the chapters below may be different than those that appear on your device. In case of doubt, contact Siel.

EXC-GT – FM super-compact transmitter series

User’s manual – Page 7 of 98

3SIEL PRODUCTS AND VALUE ADDED

In this section, you will discover why purchasing Siel products is a wise decision. Siel’s extensive experience in

broadcasting devices is in itself value added, and the company is unequalled in terms of safety, regulatory conformity,

technical support, and a high level of return on your investment. These are not empty words, as you will see below.

3.1 Full conformity to EC regulations

As is well known, broadcast devices must conform to strict regulations in terms of quality, safety, and electromagnetic compatibility.

The latter aspect is of particular importance, as it ensures that the transmitter does not interfere with other devices and that it is not

interfered with. In ensuring electromagnetic compatibility, a number of extremely precise measurements are taken that are often

performed by people using inappropriate or uncertified devices; therefore, any results obtained under such conditions are unreliable.

For example, if a user is not equipped with an extremely expensive, large anechoic room duly certified by a competent body,

measurements may be rendered entirely useless.

Siel is particularly careful about guaranteeing its clients conformity to regulations. To this end, after having taken measurements

during the research phase, Siel uses a certified laboratory and an international certification body (Rasek) to certify the full conformity

of its products based on measurements taken according to regulations.

3.2 Quality in series manufacturing

A famous ad running since the 1980’s guarantees “reliable quality over time”. In order to ensure that each device produced in series

conforms to testing and validation regulations, Siel is ISO 9000 certified.

3.3 Overdesigning for performance

Siel understands that, in order to guarantee extended performance times without servicing, the parts most subject to stress must be

overdesigned. To this end, we have paid particular attention to creating the stages of RF power and the device’s power supplies,

designing them so they can provide and manage power levels much higher than the nominal values indicated in the specifications.

People with experience in this field will gain a full appreciation of this aspect after having read through the entire manual.

3.4 Savings on all fronts

Choosing a product merely because it costs less than another one doesn’t make sense if its performance costs are high. For this

reason, Siel has undertaken to ensure that its products provide maximum return on the investment made in purchasing them. In

particular, the EXC-GT series transmitters are distinguished by the following features:

Savings in electrical consumption – the high yield allows for significant savings in terms of electrical energy consumed. In

terms of the RF power supplied, a smaller electrical bill “reimburses” the user a portion of the purchase cost – month after

month. This may seem insignificant, but if you compare our 4 KW transmitter to the average comparable product available on

the market, the savings in electricity consumption cover the full cost of the device within just over three years.

Economy of space – the exceptional compactness of EXC-GT transmitters significantly reduces bulk, and therefore the rental

on locations in which the transmitters are installed.

Lower transportation costs – the light weight of EXC-GT transmitters also results in lower transportation costs – an aspect

that considerably lowers the total “keys in hand” cost.

Less maintenance – the high energy yield also means less heat dissipation and less wear on components, minimizing service

calls and their associated expenses.

EXC-GT – FM super-compact transmitter series

User’s manual – Page 8 of 98

4IDENTIFYING YOUR MODEL

The EXC-GT Series family of transmitters has characteristics common to all of the models (for example, the command menu, the

primary controls, the primary connection inputs, etc.). However, the range of models is in continual evolution, and each model is

distinguished by a different transmission power and by characteristics specific to the series, or by optional characteristics that make

it unique. For this reason, it is important to verify the exact model of your device as follows.

4.1 Default screen

When the device is turned on, the screen that appears indicates your model number, as in the following example:

As you will note, the exact model number of the device appears immediately following Model: and is immediately identifiable as

EXC30GT. For further details regarding the main screen, see 210.1.

,In order to avoid misunderstandings when reading the user manual, it is important to confirm the exact model of your

device, as indicated on the main screen, and to remember this model number.

4.2 External cabinet

Each model, according to its power level and other factors, may be produced in a specific 19” cabinet rack, which may have different

commands and inputs arranged differently than on other models. To avoid misunderstandings regarding the location of these parts,

refer to the following chapter, which illustrates the commands and inputs for each version.

EXC-GT – FM super-compact transmitter series

User’s manual – Page 9 of 98

5COMMANDS AND INPUTS

The primary commands and connections for the EXC-GT Series are common to all the models. However, each version has been

created with a different unit rack and may be equipped with different functions and connections. This section allows you to identify

your device and the locations of its available commands and inputs.

,In order to avoid misunderstandings when reading the user manual, it is important to confirm the exact model number

of your device, as indicated on the main screen, and to remember this model number (2Chap. 4).

5.1 Location of parts

To identify the various parts of the transmitters according to the cabinet (in a 19” rack) on which they are mounted, refer to the image

corresponding to your device, and to the numbered list in section 5.2.

5.1.a Model 1

Front

Rear

12 15

5 9

7 23

22 20

118

EXC-GT – FM super-compact transmitter series

User’s manual – Page 10 of 98

5.1.b Model 2

Front

Rear

2 3

8 13

196 10

11 20

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