Nilfisk ALTO ACL2 Pro - Manuals

Nilfisk ALTO ACL2 Pro – Manual in PDF format online.

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Manual

Manual Nilfisk ALTO ACL2 Pro

Summary

Page 2 - SAFETY RELATED SYMBOLS; C A U T I O N; WARNING; IMPORTANT SAFETY INSTRUCTIONS

1 SAFETY RELATED SYMBOLS C A U T I O N R I S K O F E L E C T R I C S H O C K D O N O T O P E N This symbol, wherever used, alerts you to the pre-sence of un-insulated and dangerous voltages with-in the product enclosure. These are voltages that may be sufficient to constitute the risk of electric sh...

Page 3 - PREFACE

PREFACE Dear Customer: Thanks for choosing LTOACL2 PRO Compressor/Limter/Gate 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 designi...

Page 4 - TABLE OF CONTENTS

TABLE OF CONTENTS 1. INTRODUCTION...................................................................................................................................... 4 2.1 Some technical stuff 2. THE CONCEPT BEHIND.......................................................................................

Page 5 - You are now the Owner of an; The AUTO Function; ACL2 PRO; THE CONCEPT BEHIND; occurs with the use of tape recorders and/or vinyl records.

1. INTRODUCTION You are now the Owner of an LTO ACL2 PRO Compressor/Limiter/Gate. The ACL2 PRO is a very powerful dynamic processor. We have included in it with several innovative circuit designs that make the ACL2 PRO a very versatile processor: smart and fast recognition of the program, adjustable...

Page 6 - . 1 . 2 I n t r o d u c i n g A u d i o D y n a m i c s; Chart. 1 The dynamic range capabilities of various devices

5 2 . 1 . 2 I n t r o d u c i n g A u d i o D y n a m i c s The human ear can detect the noise generated by falling leaves as well as the roar generated by the taking off space shuttle. Unfortunately no analog, nor digital device can reproduce such wide spectrum. Please look at Chart.1 and you will ...

Page 7 - Pic. 1 Front Panel of The ACL2 PRO; well as the Peak Limiter control.; Pic. 2 Controls of Expander /Gate section; Pressing this push-button for stereo mode operation.

6 2.1.4 More about noise: Expanders and Noise-Gates A lot of instruments such as microphones, amplifiers, guitar pickups, etc generate some noise, either at low Pic. 1 Front Panel of The ACL2 PRO When engaged, the Master channel (channel 1) will take control of both channels and override all the con...

Page 8 - Threshold Control

5. Threshold Control This control adjusts the threshold level for the Compressor section in the range of -40dBu to +20dBu. The SKC (Smart Knee Control) is applied to the audio signal, which is a maximum of 10dB above the set threshold. Above such level (10dB) a hard knee compression will be applied....

Page 9 - Pic. 4 Controls of the Peak Limiter section; This Led will light up when the Limiter function is activated.; Peak Limiter Section

Pic. 4 Controls of the Peak Limiter section 20. Threshold Control The threshold level of the Peak Limiter is adjusted by this control. 21. Limiter LED This Led will light up when the Limiter function is activated. 20 8 11. Output Gain Control Through this control you can vary the output signal by a ...

Page 10 - Connectors on The Rear Panel; Pic. 5 The Rear Panel of The; discontinue use of this unit before repaired.; Operating Level Control

THIS IS SET FOR110V AC TO 120V AC OPERATION THIS IS SET FOR 220V AC TO 240V AC OPERATION 22 0-2 40 V 110-120V 1 1 0-1 20 V 220-240V 3.4 Connectors on The Rear Panel Pic. 5 The Rear Panel of The ACL2 PRO 22. Fuse holder / Voltage Selector This is a dual voltage unit. Before you attempt to connect and...

Page 11 - Compressor Section

1 0 27. Sidechain Send Through this 1/4" unbalanced jack the audio signal can be routed to an external processor. 28. Sidechain Return The return signal of an external processor will be processed through this 1/4" jack. 4. READY TO ROLL? 4.1 Expander/Gate Section Chart. 3 Function of an expa...

Page 12 - and unprocessed signal.

11 4.2.2 Ratio control This control sets the change of input level to output level but only for the signals that exceed the threshold. The scale of the ratio control on the front panel (calibrated in dB) indicates how much input level is required to increase the output level by 1 dB. If you have a r...

Page 13 - INSTALLATION AND CONNECTION

Chart . 7 SGC characteristic of the limiter section 5. INSTALLATION AND CONNECTION 5.1 Mains Connection ACL2 PRO is provided with dual voltage plug. You must check the power supply Voltage available in your Country before connecting the power cord in the wall outlet. Please see Page9, paragraph 22 f...

Page 14 - a. Wiring Configuration; For XLR connector; XLR Type Unbalanced; b. In Line Connection; Please see following drawing for details.; XLR Type Balanced

1 3 a. Wiring Configuration Both types of connectors available on ACL2 PRO can be wired in balanced and unbalanced modes. Please see following drawing for details: For 1/4" Phone jack For XLR connector XLR Type Unbalanced b. In Line Connection Please see following drawing for details. XLR Type B...

Page 15 - Insert Leads; c. Insert Points Connection

Send Return Tip Ring Sleeve 1 4 1/4" TRS insert Insert Leads 5.3 Rack Mounting The most secure mounting is on a universal rack shelf available from various rack manufactures or your music dealer. The ACL2 PRO Compressor /Limiter /Gate fits into one standard 19" rack unit of space. Please all...

Page 16 - TECHNICAL SPECIFICATIONS

1 5 AUDIO INPUT AUDIO OUTPUT SC RETURN SC SEND EXPANDER/GATE SECTION Smart knee control compressor 6. TECHNICAL SPECIFICATIONS Type Impedance Maximum input level Type Impedance Maximum output level Bandwidth THD +N% IMD Noise Crosstalk Type Impedance Maximum input levelType Impedance Maximum output ...

Page 18 - LTO

1 7 7. WARRANTY 1. WARRANTY REGISTRATION CARD To obtain Warranty Service, the buyer should first fill out and return the enclosed Warranty Registration Card within 10 days of the Purchase Date. All the information presented in this Warranty Registration Card gives the manufacturer a better understan...