Alto Professional DIGAN2.30 User Manual

User's Manual

2 x 30 BAND

DIGAN2.30

DIGITAL EQUALIZER

LTO

www.altoproaudio.com

Version 1.2 May 2006

English

SAFETY RELATED SYMBOLS

CAUTION

RISK OFELECTRIC SHOCK

DO NOTOPEN

This symbol, wherever used, alerts you to the presence of un-insulated and dangerous voltages within the product enclosure. These are voltages that may be sufficient to constitute the risk of electric shock or death.

This symbol, wherever used, alerts you to important operating and maintenance instructions. Please read.

Fuse

To prevent fire and damage to the product, use only the recommended fuse type as indicated in this manual. Do not short-circuit the fuse holder. Before replacing the fuse, make sure that the product is OFF and disconnected from the AC outlet.

Protective Ground

Before turning the product ON, make sure that it is connected to Ground. This is to prevent the risk of electric shock.

Never cut internal or external Ground wires. Likewise, never remove Ground wiring from the Protective Ground Terminal.

Protective Ground Terminal

AC mains (Alternating Current)

Hazardous Live Terminal

ON: Denotes the product is turned on.

OFF: Denotes the product is turned off.

WARNING

Describes precautions that should be observed to prevent the possibility of death or injury to the user.

CAUTION

Describes precautions that should be observed to prevent damage to the product.

Disposing of this product should not be placed in municipal waste and should be Separate collection.

WARNING

Power Supply

Ensure that the mains source voltage (AC outlet) matches the voltage rating of the product. Failure to do so could result in damage to the product and possibly the user.

Unplug the product before electrical storms occur and when unused for long periods of time to reduce the risk of electric shock or fire.

External Connection

Always use proper ready-made insulated mains cabling (power cord). Failure to do so could result in shock/death or fire. If in doubt, seek advice from a registered electrician.

Do Not Remove Any Covers

Within the product are areas where high voltages may present. To reduce the risk of electric shock do not remove any covers unless the AC mains power cord is removed.

Covers should be removed by qualified service personnel only.

No user serviceable parts inside.

Operating Conditions

Always install in accordance with the manufacturer's instructions.

To avoid the risk of electric shock and damage, do not subject this product to any liquid/rain or moisture. Do not use this product when in close proximity to water.

Do not install this product near any direct heat source.

Do not block areas of ventilation. Failure to do so could result in fire.

Keep product away from naked flames.

IMPORTANT SAFETY INSTRUCTIONS

Read these instructions

Follow all instructions

Keep these instructions. Do not discard.

Heed all warnings.

Only use attachments/accessories specified by the manufacturer.

Power Cord and Plug

Do not tamper with the power cord or plug. These are designed for your safety.

Do not remove Ground connections!

If the plug does not fit your AC outlet seek advice from a qualified electrician.

Protect the power cord and plug from any physical stress to avoid risk of electric shock.

Do not place heavy objects on the power cord. This could cause electric shock or fire.

Cleaning

When required, either blow off dust from the product or use a dry cloth.

Do not use any solvents such as Benzol or Alcohol. For safety, keep product clean and free from dust.

Servicing

Refer all servicing to qualified service personnel only.

Do not perform any servicing other than those instructions contained within the User's Manual.

PREFACE

Dear Customer:

Thanks for choosing LTO DIGAN2.30 and thanks for choosing one of the results of LTO AUDIO TEAM job and researches.

For our LTO AUDIO TEAM, music and sound are more than a job...are first of all passion and let us say our obsession!

We have been designing professional audio products for a long time in cooperation with some of the major brands in the world in the audio field.

The LTO line presents unparalleled analogue and digital products made by Musicians for Musicians in ourR&D centers in Italy, Netherlands, United Kingdom and Taiwan. The core of our digital audio products is a sophisticated DSP (Digital Sound Processor) and a large range of state of the art algorithms, which have been developed by our software team for many years.

Because we are convinced you are the most important member of LTO AUDIO TEAM and the one confirming the quality of our job, we would like to share with you our work and our dreams, paying attention to your suggestions and your comments.

Following this idea we create our products and we will create the new ones! From our side, we guarantee you and we

will guarantee you also in future the best quality, the best fruits of our continuous researches and the best prices.

Our LTO DIGAN2.30 is the result of many hours of listening and tests involving common people, area experts, musicians and technicians.

Besides, we offer you a number of factory EQ curves that we collected and transformed in presets now available in our small, efficient and easy to use LTO DIGAN2.30.

Nothing else to add, but that we would like to thank all the people that made the LTO DIGAN2.30 a reality available to our customers, and thank our designers and all the LTO staff, people who make possible the realization of products containing our idea of music and sound and are ready to support you, our customers, in the best way, conscious that you are our best richness.

Thank you very much

LTO AUDIO TEAM

TABLE OF CONTENTS

1. ....................................................................................................................................4INTRODUCTION

2. .............................................................................................................................................4FEATURES

3. .........................................................................................................................4CONTROL ELEMENTS

3.1 The Front Panel

3.2 The Rear Panel

4. INSTALLATION AND CONNECTION.....................................................................................................5

4.1Mains Connection

4.2Audio Connection

5. ......................................................................................................................7

OPERATION OVERVIEW

5.1 Modify the parameters

5.2 Store preset

5.3 Bypass mode

5.4 Link mode

5.5 Select preset fast

5.6 Demo mode

5.7 Audition mode

5.8 Delay mode

5.9 Hi-pass/Low-pass mode

6. SYSTEM SETTING ................................................................................................................................8

6.1 Setup mode

6.2 Reset Mode

7. REMOTE CONTROL .............................................................................................................................9

7.1 Software installation

7.2 First steps with the PC Editor

7.3 Upload or Download

7.4 Update system

8. OPERATION FLOW CHART ................................................................................................................11

9. TECHNICAL SPECIFICATION.............................................................................................................12

10. WARRANTY..........................................................................................................................................13

1. INTRODUCTION

Purchasing LTO DIGAN2.30, you purchase a very powerful digital equalizer, easy to use and contain in a very efficient single unit rack package. Our new DIGAN2.30 is a versatile and very powerful parametric & graphic equalizer. It will provide precise audio signal control to fixed sound installation, live performance and studio applications. Thanks to the use of selected and expensive components, the performance of DIGAN2.30 are worth much more than its price.

2. FEATURES

Mountable in one standard unit rack 19". Stereo 30 bands graphic parametric equalizer. 80 presets: 30 factory presets and 50 user-programmable presets. 32 24 bit DSP processor with 48kHz sampling rate. Stereo channels processing with or without link control. 30 EQ bands per channel, spanning 25Hz ~ 20kHz in 1/3 octave increments. +/-12dB boost / cut for 30 frequency bands. Master volume and individual volume control. Bypass function. Signal and Clipper LED. Easy operating with PC editor. "Lock" function to prevent accidental reprogramming. 1/4" TRS and balanced XLR connectors available.

3. CONTROL ELEMENTS

3.1 The Front Panel

(6)

(7)

SIGNAL

POWER

STORE

(8)(8)

CLIP

DIGAN2.30

Digital Equalizer

31 5

63 80

125

100

160

500

250

315

400

200

630

800

25K

125K

3 15K.

16K.

12 5K

63K

10K

Digital Equalizer

16K 20K

(1)(2)(3)(4) (5)

(7)

CLIP

LTORLTORLTORLTO

(10) (10)

31 5

63 80

125

100

160

500

250

315

400

200

630

800

25K

125K

3 15K.

63K

16K.

10K

(9) (9)

SIGNAL

BYPASS

12 5K

16K 20K

LINK

1. POWER switch

This switch is used to turn the main power ON or OFF.

2. STORE key

This key is used to store the user's presets.

3. BYPASS key

This key is used to bypass the process, sending to the DIGAN2.30 outputs directly.the input signals When the DIGAN2.30 is in this mode, the BYPASS LED will be on.

4. LINK(Exit) key

This key is used to link the two stereo channels or exit from menu.

5. Up/Down key

These keys are used to select the preset and modify the parameter's value.

6. LED display

This LED display shows the selected preset number or the parameter's value.

7. CLIP LED

This LED indicates when the input signal is too high.

8. SIGNAL LED

This LED indicates when there is signal present in this unit.

9. Band keys

These keys are used to select the frequency band that you need to modify its gain value.

10. Mounting ear

This detachable mounting ear is used for your convenient installation in a standard 19" rack.

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