Ecreso HELIOS JUNIOR Manuale utente

HELIOS JUNIOR

MONO MULTIPLEX 20 W TRANSMITTER

USER MANUAL

FM TRANSMITTER 87,5-108MHz

Date: 2008/02/22

Ecreso

web: www.ecreso.com - e-mail: contact@ecreso.com

Helios Junior, User’s guide 02/2008

Page 3

ECRESO – 20, avenue Neil Armstrong – Parc d’Activites JF Kennedy – 33700 Bordeaux-Merignac – France

Tel: +33(0) 556 675 454 – Fax: +33(0) 556 675 167 – www.ecreso.com – [email protected]

TABLE OF CONTENTS

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

1.1. INTRODUCTION .................................................................................................................................5

1.2. PACKING ..........................................................................................................................................5

1.3. GUARANTEE CLAUSES .......................................................................................................................5

1.4. SAFETY INSTRUCTIONS......................................................................................................................6

1.5. RADIO AND TELEVISION INTERFERENCES............................................................................................6

2. DESCRIPTION..........................................................................................................................................7

2.1. GENERAL DESCRIPTION .....................................................................................................................7

2.2. HELIOS JUNIOR FRONT PANEL............................................................................................................ 8

2.3. HELIOS JUNIOR BACK PANEL.............................................................................................................. 9

2.4. DETAILED DESCRIPTION OF THE HELIOS JUNIOR .............................................................................10

2.4.1. 1U Rack.................................................................................................................................11

2.4.2. Power supply.........................................................................................................................11

2.4.3. Main board.............................................................................................................................11

2.4.4. RF amplifier part....................................................................................................................11

2.4.5. Monitoring/ Display part.........................................................................................................11

3. TECHNICAL SPECIFICATIONS ............................................................................................................13

3.1. RF SECTION :..................................................................................................................................13

3.2. COMPOSITE OPERATION : ................................................................................................................13

3.3. MONAURAL OPERATION: ..................................................................................................................13

3.4. AF INPUTS:.....................................................................................................................................13

3.5. COMMAND INPUT:............................................................................................................................13

3.6. HF OUTPUT: ...................................................................................................................................14

3.7. POWER SUPPLY: .............................................................................................................................14

3.8. INTERFACE PANEL: .......................................................................................................................... 14

3.9. ENVIRONMENT : ..............................................................................................................................14

3.10. PHYSICAL: ..................................................................................................................................14

3.11. OTHER:.......................................................................................................................................15

3.12. SPARE PARTS:.............................................................................................................................15

4. USE.........................................................................................................................................................16

4.1. OPERATION DESCRIPTION................................................................................................................16

4.1.1. Reset .....................................................................................................................................16

4.1.2. Configuration menu ...............................................................................................................16

4.2. MENUS SELECTION.......................................................................................................................... 16

4.3. SYNOPTIC OF DIFFERENT MENUS .....................................................................................................18

5. INSTALLATION......................................................................................................................................24

5.1. PHYSICAL SET-UP ...........................................................................................................................24

5.1.1. Input settings (MONO or MPX) .............................................................................................24

5.1.2. Pre-emphasis (ONLY IN MONO) ..........................................................................................25

5.1.3. Input range (MONO and MPX).............................................................................................. 25

5.2. INSTALLATION .................................................................................................................................26

5.3. CONNECTIONS ................................................................................................................................26

5.3.1. Load test................................................................................................................................27

5.3.2. Mains connection ..................................................................................................................27

Helios Junior, User’s guide 02/2008

Page 4

ECRESO – 20, avenue Neil Armstrong – Parc d’Activites JF Kennedy – 33700 Bordeaux-Merignac – France

Tel: +33(0) 556 675 454 – Fax: +33(0) 556 675 167 – www.ecreso.com – [email protected]

6. SET-UP ...................................................................................................................................................29

6.1. RECOMMENDED TEST EQUIPMENT ....................................................................................................29

6.2. SET-UP...........................................................................................................................................29

6.2.1. Setting of parameters ............................................................................................................30

6.2.2. Information screen.................................................................................................................31

6.3. INDICATORS AND ALARMS ................................................................................................................32

7. MAINTENANCE......................................................................................................................................34

7.1. PREVENTIVE MAINTENANCE .............................................................................................................34

7.2. REPAIR...........................................................................................................................................34

GLOSSARY ................................................................................................................................................36

MORE INFORMATION ...............................................................................................................................39

Helios Junior, User’s guide 02/2008

1. INTRODUCTION

1.1. Introduction

This user’s guide includes information about installation, set-up, tests for the use of the Helios Junior

transmitter. It describes the operation of the equipment and tackles mechanical, electrical and safety

features.

For further technical information or for information about a more specific use, please contact your

distributor.

1.2. Packing

The HELIOS Junior transmitter is packed in a box containing two foam protections, to protect the

equipment from mechanical shocks and vibrations during transport. It is recommended to keep this

packing in case you need to send back the equipment. Particularly, connectors should be protected.

Packing box

In the box, you will find the following accessories:

¾1 AC power cord.

¾1 anti-pulling clip to mount on the mains filter (anti-pulling for the AC power cord).

¾2 5x20 fuses of 1 AT.

¾1 adjustment screwdriver

¾User’s guide

Optional, additional manuals on paper or CD-ROM.

1.3. Guarantee clauses

This product has a legal guarantee, for parts and servicing, when returned to the manufacturer.

Guarantee extensions are possible.

Guarantee is not applicable to replacement nor repairing needed after damage or accident caused by

negligence, maintenance faults, installation faults or use in a non prepared location.

Page 5

ECRESO – 20, avenue Neil Armstrong – Parc d’Activites JF Kennedy – 33700 Bordeaux-Merignac – France

Tel: +33(0) 556 675 454 – Fax: +33(0) 556 675 167 – www.ecreso.com – [email protected]

Helios Junior, User’s guide 02/2008

Page 6

ECRESO – 20, avenue Neil Armstrong – Parc d’Activites JF Kennedy – 33700 Bordeaux-Merignac – France

Tel: +33(0) 556 675 454 – Fax: +33(0) 556 675 167 – www.ecreso.com – [email protected]

If the client modified or repaired without previous authorization, ECRESO company would be free from

any guarantee.

1.4. Safety instructions

This equipment respects international standards for electrical and mechanical safety. However, if the

equipment is operating with 230 V AC power supply, please unplug the equipment before any

intervention.

This manual does not include any information about workforce safety. Any intervention must be carried

out by qualified workforce, formed in safety.

1.5. Radio and Television interferences

This equipment generates, due to its operation, electromagnetic energy. Poor installation or poor use can

generate interferences or cause surrounding devices to work poorly.

The HELIOS Junior transmitter installed and used in accordance with specifications as defined by the

ECRESO company, respects CCIR and CEM standards for surrounding devices protection and perfect

isolation from those devices.

The RF connection to the HELIOS Junior transmitter must be done with coaxial cable within 50 ohms

impedance.

It is also recommended to harden other cables connected to connectors of the following types: BNC,

SUB-D, RJ11, RJ45 etc.

Helios Junior, User’s guide 02/2008

2. DESCRIPTION

2.1. General description

The HELIOS Junior transmitter is built for FM mono or multiplex program transmission (electric radio

signal type F3) in a frequency range between 87,5 and 108 MHz.

Its output power is at least equal to 20 watts under 50 ohms.

For an FM stereophonic transmission, you will have to use an external coder.

This transmitter is a standard 19 inch 1 unit rack.

Multiplex signal

Page 7

ECRESO – 20, avenue Neil Armstrong – Parc d’Activites JF Kennedy – 33700 Bordeaux-Merignac – France

Tel: +33(0) 556 675 454 – Fax: +33(0) 556 675 167 – www.ecreso.com – [email protected]

Helios Junior, User’s guide 02/2008

2.2. Helios Junior front panel

Helios front panel

1 2 3 4 5 6 7 8 9 10

Front panel description:

1 Input level potentiometer of mono or multiplex signal (MONO/MPX).

2 Output power level potentiometer (RF POWER).

3 HF alarm indicator (RF 3dB).

4 VSWR alarm indicator (VSWR).

5 Synthesizer locking indicator (LOCK).

6 LCD back lighted display with 2 lines of 16 characters.

7 Menu selection button ( - ).

8 Parameter validation button (ENTER).

9 Menu selection button ( + ).

10 Molded transport handles.

Page 8

ECRESO – 20, avenue Neil Armstrong – Parc d’Activites JF Kennedy – 33700 Bordeaux-Merignac – France

Tel: +33(0) 556 675 454 – Fax: +33(0) 556 675 167 – www.ecreso.com – [email protected]

Helios Junior, User’s guide 02/2008

2.3. Helios Junior back panel

Helios Junior back panel

1 2 3 4 5

Back panel description:

1 1earthing clip (GROUND).

2 1 sector block with a fuse holder, and a Start/Stop switch (MAINS INPUT).

3 Auxiliary multiplex input, female BNC socket (AUX).

4 Mono/multiplex input, female BNC socket (MONO/MPX).

5 HF output, female N socket (RF OUTPUT).

Page 9

ECRESO – 20, avenue Neil Armstrong – Parc d’Activites JF Kennedy – 33700 Bordeaux-Merignac – France

Tel: +33(0) 556 675 454 – Fax: +33(0) 556 675 167 – www.ecreso.com – [email protected]

Helios Junior, User’s guide 02/2008

2.4. Detailed description of the HELIOS Junior

Transmitter’s view with open cover

Synthesizer

20W Amplifier Main

board

Main filter+

fuses

Switching

power supply

Page 10

ECRESO – 20, avenue Neil Armstrong – Parc d’Activites JF Kennedy – 33700 Bordeaux-Merignac – France

Tel: +33(0) 556 675 454 – Fax: +33(0) 556 675 167 – www.ecreso.com – [email protected]

Rounded

front panel

LCD display Monitoring

part

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