Руководство Пользователя для Lab.gruppen fp 3400

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CONTENTS .......................................................................................................................................1

APPROVALS.....................................................................................................................................2

WARNINGS ......................................................................................................................................2

Explanation of graphical symbols ..............................................................................................2

WARNING.................................................................................................................................2

CAUTION ..................................................................................................................................2

Important Safety Instructions .....................................................................................................2

User responsibility......................................................................................................................3

Speaker damage..................................................................................................................3

Speaker output hazard ........................................................................................................3

Radio interference ..............................................................................................................3

INTRODUCTION..............................................................................................................................4

Unpacking ..................................................................................................................................4

Front Panel .................................................................................................................................4

Rear Panel...................................................................................................................................5

REAR PANEL FEATURES ..............................................................................................................6

Gain switch.................................................................................................................................6

The DIP-switch...................................................................................................................6

Sensitivity...............................................................................................................................6

Options ...............................................................................................................................7

Link switch .................................................................................................................................7

Operation modes.........................................................................................................................7

Stereo mode............................................................................................................................7

Note for bench test .............................................................................................................7

Tandem mode .....................................................................................................................7

Bridge mono mode .............................................................................................................8

Bridge mono mode features................................................................................................8

Impedance matching (MLS switch) ...........................................................................................8

A practical way to find your MLS

settings.....................................................................9

MLS technology – the background ..................................................................................10

The problem .....................................................................................................................10

The solution......................................................................................................................10

INSTALLATION.............................................................................................................................10

Mounting ..................................................................................................................................10

Cooling .....................................................................................................................................10

Operating voltage .....................................................................................................................11

Denmark ...................................................................................................................................11

Grounding.................................................................................................................................11

Power consumption ..................................................................................................................11

Calculation........................................................................................................................12

CONNECTIONS..............................................................................................................................13

Input connections .....................................................................................................................13

Balanced inputs ................................................................................................................13

Unbalanced inputs ............................................................................................................13

Connecting speakers.................................................................................................................14

OPERATION ...................................................................................................................................14

Operation precautions...............................................................................................................14

Powering up – Soft start ...........................................................................................................14

Input attenuators .......................................................................................................................15

Indicators ..................................................................................................................................15

PROTECTION FEATURES............................................................................................................15

Clip limiter .......................................................................................................................15

Thermal protection ...........................................................................................................16

VHF protection.................................................................................................................16

Short circuit protection .....................................................................................................16

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