Lake LM Series Manuale utente

LM SERIES

Digital Audio Processors

Rev. 1.3.6

Quick Start Guide

Item no. QSG-LM

1. Important safety instructions

2 LM SERIES Quick Start Guide rev 1.3.6

1. Important safety instructions

Before using the device, be sure to carefully read the Safety Instructions. Keep this document with the device at

all times.

1. Read these instructions.

2. Keep these instructions

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with a dry cloth.

7. Do not block any ventilation openings. Install in accordance

with the manufacturer’s instructions.

8. Do not install near any heat sources such as radiators, heat

registers, stoves, or other apparatus (including ampliers)

that produce heat.

9. Do not defeat the safety purpose of the polarized or

grounding-type plug. A polarized plug has two blades with

one wider than the other. A grounding-type plug has two

blades and a third grounding prong. The wide blade or

the third prong is provided for your safety. If the provided

plug does not t into your outlet, consult an electrician for

replacement of the obsolete outlet.

10. Protect the power cord from being walked on or pinched,

particularly at plugs, convenience receptacles, and the point

where they exit from the apparatus.

11. Only use attachments/accessories specied by the

manufacturer.

12. Use only with a cart, stand, tripod, bracket, or table specied

by the manufacturer, or sold with the apparatus. When a

cart is used, use caution when moving the cart/apparatus

combination to avoid injury from tip-over.

13. Unplug this apparatus during lightning storms or when

unused for long periods of time.

14. Refer all servicing to qualied service personnel. Servicing

is required when the apparatus has been damaged in any

way, such as power-supply cord or plug is damaged, liquid

has been spilled or objects have fallen into the apparatus, the

apparatus has been exposed to rain or moisture, does not

operate normally, or has been dropped.

15. Use the mains plug to disconnect the appartus from the

mains.

16. WARNING: To reduce the risk of re or electric shock, do not

expose this apparatus to rain or moisture.

17. Do not expose this equipment to dripping or splashing and

ensure that no objects lled with liquids, such as vases, are

placed on the equipment.

18. The mains plug of the power supply cord shall remain readily

operable.

19. Do not connect the unit’s output to any other voltage source

such as battery, mains source, or power supply, regardless

of whether the unit is turned on or off.

20. Do not remove the top (or bottom) cover. Removal of the

cover will expose hazardous voltages. There are no user

serviceable parts inside and removal may void the warranty.

21. An experienced user shall always supervise this professional

audio equipment, especially if inexperienced adults or

minors are using the equipment.

22. The US National Differences clause 16.3 requires that

network cables must be ame rated VW-1.

1.1 Approvals

1.2. Explanation of warning symbols

1.3. Warnings

To prevent electric shock do not remove top or bottom

covers. No user serviceable parts inside, refer servicing to

qualied service personnel.

Français: À prévenir le choc électrique n’enlevez pas les

couvercles. Il n’y a pas des parties serviceable à l’intérieur, tous

reparations doit etre faire par personnel qualié seulment.

The lightning bolt triangle is used to

alert the user to the presence of

un-insulated “dangerous voltages”

within the unit’s chassis that may be

of sufcient magnitude to constitute a

risk of electric shock to humans.

The exclamation point triangle is used to

alert the user to presence of important

operating and service instructions in the

literature accompanying the product.

This equipment conforms to the requirements

of the EMC Directive 2014/30/EU and the

requirements of the Low Voltage Directive

2014/35/EU.

Standards applied: EMC Emission

EN55103-1, E3

EMC Immunity EN55103-2, E3, with S/N

below 1% at normal operation level.

Electrical Safety EN60065, Class I

This equipment is tested and listed according to the

U.S. safety standard ANSI/ UL 60065 and

Canadian safety standard CSA C22.2

NO. 60065. Intertek made the tests and they

are a Nationally Recognized Testing Laboratory

(NRTL).

LM SERIES Quick Start Guide rev 1.3.6

To completely disconnect this equipment from the AC

mains, disconnect the power supply cord plug from the AC

receptacle. The mains plug of the power supply cord shall

remain readily operable.

Français: Pour démonter complètement l’équipement de

l’alimentation générale, démonter le câble d’alimentation

de son réceptacle. La prise d’alimentation restera aisément

fonctionnelle.

To reduce risk of re or electric shock, do not expose this

apparatus to rain or moisture.

Français: Pour réduire les risques d’incendie ou de choc

électrique, n’exposez pas l’appareil à la pluie ou à l’humidité.

Do not expose this system/apparatus to dripping or splashing

and ensure that no objects lled with liquids, such as vases,

are placed on the apparatus.

Français: N’exposez pas ce système/appareil au

ruissellement ni aux éclaboussures et assurez-vous qu’aucun

objet contenant du liquide tel qu’un vase n’est placé sur

l’appareil.

This apparatus must be connected to a mains socket outlet

with a protective earthing connection.

Français: Cet appareil doit être raccordé à une prise secteur

avec terre de protection.

The mains plug is used as a disconnect device and shall

remain readily operable.

Français: Lorsque la prise du réseau d’alimentation est utilisés

comme dispositif de déconnexion, ce dispositif doit

demeuré aisément accessible.

1.4. Caution

To reduce the risk of re or electric shock, do not remove screws.

No user-serviceable parts inside. Refer servicing to qualied

service personnel.

Français: Pour réduire le risque d’incendie ou de choc

électrique, ne pas retirer les vis. Aucune pièce réparable par

l’utilisateur. Coner l’entretien àpersonnel qualié.

1.5. User responsibility

1.5.1. Mains connection grounding

Your amplier must be connected to a grounded socket outlet.

1.5.2. Speaker output hazard on ampliﬁers

Ampliers are capable of producing hazardous output

voltages. To avoid electrical shock, do not touch any exposed

speaker wiring while the amplier is operating. The external

wiring connected to the speaker terminals shall be installed

by a qualied person, or ready-made leads or cords of

appropriate capacity shall be used.

As the power output channels on ampliers produce high

voltage, do not connect or disconnect speaker cables when

the mains power is on.

1.5.3. Radio interference

A sample of this product has been tested and complies with

the limits for the European Electro Magnetic Compatibility

(EMC) directive. This equipment has also been tested and

found to comply with the limits for a Class A digital device,

pursuant to Part 15 of the FCC Rules. These limits are

designed to provide reasonable protection against harmful

interference from electrical equipment. This product uses

radio frequency energy and if not used or installed in

accordance with these operating instructions, may cause

interference to other equipment, such as radio receivers.

However, there is no guarantee that interference will not

occur in a particular installation. If this equipment does cause

harmful interference to radio or television reception, which

can be determined by turning the equipment on and off, the

user is encouraged to try to correct the interference by one or

more of the following measures:

• Reorient or relocate the antenna.

• Increase the separation between the equipment and

receiver.

• Connect the equipment to an outlet on a circuit different

from that to which the receiver is connected.

• Check if the affected unit complies with the EMC limits for

immunity, (CE-labeled). If not, address the problem with

the manufacturer or supplier. All electrical products sold

in the EC must be approved for immunity against

electromagnetic elds, high voltage ashes, and radio

interference.

• Consult the dealer or an experienced radio/TV technician

for help.

1.5.4. Speaker damage

Amplier apparatus is very powerful and can be potentially

dangerous to both loudspeakers and humans alike. Many

loudspeakers can be easily damaged or destroyed by

overpowering them. Always check the speaker’s continuous

and peak power capabilities. Although the ampliers

attenuators can be used to reduce the overall gain, an

increase of the input signal can result in full output power,

which may cause damage to connected speakers.

1.5.5. Maintenance

For safe and reliable operation, the dust lters on both sides

of the front panel, behind the grilles, should be removed and

cleaned regularly to ensure maximum airow through the

device.

If the dust lters are not maintained there will be safety

risks; for example, high internal temperatures could ignite

the dust and start a re. There is also a risk that the unit

will malfunction since it is dependent on constant airow

from front to rear. If the dust lters are not clean and the unit

malfunctions, any resulting problems will not be covered by

the warranty.

3. Warnings

This Class A digital apparatus complies with Canadian ICES-003.

Cet appareil numérique de la classe A est conforme à la norme NMB-003

du Canada.

4. Table of Contents

4 LM SERIES Quick Start Guide rev 1.3.6

4. Table of Contents

1. Important safety instructions 2

1.1 Approvals2

1.2. Explanation of warning symbols2

1.3. Warnings 2

1.4. Caution 3

1.5. User responsibility 3

2. Introduction 6

2.1. Welcome 6

2.2. Main Features 6

2.2.1. Lake Processing and Controller 6

2.2.2. Analyzer Plug-In 6

2.2.3. Dante™ Audio Network 7

2.3. Additional Documentation 7

3. Installation 8

3.1. Unpacking 8

3.2. Mounting 8

3.3. Cooling 8

3.4. Operating voltage 9

3.5. Grounding 9

4. Product overview 10

4.1. Front panel 10

4.2. Rear panel 12

5. Signal Flow and LAKE Processing 14

5.1. Signal ow 14

5.2. LAKE Processing and Control 16

5.3. Modules and Frames 16

5.3.1. Overview16

5.3.2. Super Modules 16

5.4. Loudspeaker Processor (Contour Mode) Overview 17

5.5. System Equalizer (Mesa Mode) Overview 17

5.6. Switching between Contour and Mesa Mode 17

4. Table of Contents

LM SERIES Quick Start Guide rev 1.3.6 5

5.7. Files and Presets 17

5.7.1. Module, System and Sub-System Conguration Files 18

5.7.2. Frame and System Presets 18

6. Quick Start Tutorial 19

6.1. Introduction 19

6.2. LAKE Processing and Control 19

6.3. Installing the LAKE Controller Software 19

6.3.1. Overview 19

6.3.2. Software Installation 20

6.3.3. Software and Firmware Updates 20

6.3.4. Ethernet Conguration 20

6.4. LM Series Conguration Tutorial 21

6.5. Gain Structure 24

6.5.1. Input Headroom (Analog Inputs Only) 24

6.5.2. Input Mixer 25

6.5.3. Module Input Gain 25

6.5.4. Module Output Gain (Levels) 25

6.6. Gain / Level Optimization 25

6.6.1. Maximize Volume Capability 25

6.6.2. Minimize Noise 25

7. LM 26 Technical Specications 26

8. LM 44 Technical Specications 27

9. Warranty and support 28

9.1. General 28

9.2. Technical assistance and service28

9.2.1. International service28

9.2.2. Factory service29

2. Introduction

6 LM SERIES Quick Start Guide rev 1.3.6

2. Introduction

2.1. Welcome

Thank you for choosing the LAKE LM Series of Digital Audio Processors. We are condent that you will be pleased

with the performance, unique features, conguration exibility, reliability, and long-term durability offered by

this product.

For fast installation and use of this product, your welcome package includes a printed copy of the LM Series

Quick Start Guide which contains the information required to safely install the product and place it in service.

Control and editing features are accessible via the front panel interface or via the included LAKE

Controller software.

It is recommend that this Quick Start Guide is reviewed to ensure familiarity with the various conguration and

control options.

Thank you again for placing your condence in Lake products.

2.2. Main Features

The LM Series incorporates a number of sophisticated technologies to ensure the best possible performance

and many years of reliable operation. The following section summarizes the benets of each feature; additional

information is available in the reference manuals.

2.2.1. Lake Processing and Controller

LM Series devices integrate seamlessly into the Lake Processing environment and are accessible via the Lake

Controller software. Processing modules offer precise settings for gain, delay, crossover settings, equalization and

limiting. Lake processing features incorporated in each module include Raised Cosine Equalization™, linear phase

crossovers, and LimiterMax™ loudspeaker protection. The Super Module feature allows hardware processing

modules in two or more separate devices to function as a single module in the Lake Controller software. Please

refer to the Lake Controller Operation Manual for further information.

2.2.2. Analyzer Plug-In

Lake Controller software provides integration with third-party real-time analyzers, providing simultaneous

measurement display and EQ adjustment via the Lake Controller. Approved analyzers include Rational Acoustics

Smaart 7 and WaveCapture Live-Capture Light or Live-Capture Pro; additional third-party analyzers may be

approved in the future.

Please refer to the Lake Controller Operation Manual for further information regarding the Analyzer plug-in and

associated functionality.

2. Introduction

LM SERIES Quick Start Guide rev 1.3.6 7

2.2.3. Dante™ Audio Network

LM Series devices include Dante digital audio networking as standard. Utilizing the latest advances in Ethernet

technology, Dante offers simplied system conguration and extremely low latency while delivering very high quality

uncompressed digital audio across the LAKE network. The Zen™ automatic conguration feature enables plug-

and-play setup without third-party DHCP or DNS servers. Dante is compatible with high-bandwidth networks,

allowing large numbers of audio channels to be distributed alongside control and analyzer data.

2.3. Additional Documentation

This document, the LAKE LM Series Quick Start Guide, serves as a basic introduction to the installation and

operation of LM Series devices. More detailed information is available in the comprehensive LAKE LM Series

Operation Manual, which serves as the primary reference source for detailed information on the installation and

operation of LAKE LM Series devices.

If you intend to use the device as part of a networked system, or access features via the LAKE Controller, please

refer to the various supporting documents which can be located via these methods:

• Start > Programs > LAKE Controller > Documentation (after installing LAKE Controller software)

• Online at: http://lakeprocessing.com/

3. Installation

8 LM SERIES Quick Start Guide rev 1.3.6

3. Installation

3.1. Unpacking

Carefully open the shipping carton and check for any damage to the device or the supplied accessories. Every

LAKE product is tested and inspected before leaving the factory and should arrive in perfect condition. If any

damage is discovered, please notify the shipping company immediately. Only the consignee may initiate a claim

with the carrier or their insurers for damage incurred during shipping. Save the carton and packing materials for the

carrier’s inspection.

In addition to the LAKE LM Series device, the shipping carton include the following items:

• LAKE LM Series Quick Start Guide

• AC mains lead (IEC power cable) with locking connector

• AES break-out cable (8-in, 8-out)

• Ethernet Cable

Please keep the original carton and associated packaging to facilitate shipping of the device should the need arise.

3.2. Mounting

Airow for cooling the device is from side to side (right-side intake to left-side fan). Please ensure there is sufcient

space each side of the unit to allow airow; the space provided by standard rack-rails should be sufcient. This

device has no top or bottom vents and therefore may be stacked directly on top of each other.

Sufcient space should be available at the front of the rack to accommodate the handles, and at the rear to

accommodate connectors and cables; allowance must be made for cable or loom bends within a rack.

3.3. Cooling

The LAKE LM Series devices use a forced-air cooling system, with airow from right to left. The dust lter on the

air intake (right-side) should be regularly cleaned, especially after exposure to dusty environments, to ensure the

maximum possible airow through the unit.

This device is designed to operate in situations where the ambient temperature is below 55° C (131° F). Automatic

actions and warnings occur at following temperature thresholds:

• At 40° C (104° F) or less, the fan is OFF

• At more than 40° C (104° F) the fan is ON

• At 55° C (131° F) a temperature warning is indicated on the front panel as ‘TEMP WARNING’ and in the

Controller Event Log as ‘Temp warning: DSP area’.

• At 70° C (158° F) the device has exceeded the maximum normal operating temperature. This fault is indicated

on the front panel as ‘OVERTEMP’ and in the Controller Event Log as ‘Temp fault: DSP area’.

3. Installation

LM SERIES Quick Start Guide rev 1.3.6 9

NOTE: The Processor will NOT mute or shut down when the temperature reaches or exceeds 70° C

(158° F), however, sustained performance at this temperature cannot be guaranteed.

3.4. Operating voltage

The label above the IEC connector indicates the AC mains voltage range for which the device is approved.

LM Series devices utilize a universal power supply, and will operate within the range 70-265 V ~ 50 - 60 Hz: 25W.

If the plug on the IEC cable provided is not appropriate for your country, a locally-sourced IEC cable with the

appropriate molded plug should be used. A locking IEC cable is not necessary in order to power the device,

although is essential if locking functionality is required. Once a suitable AC power supply is connected, the device

can be turned on using the front panel power button. When the device is turned on, the power button LED

changes from red (Standby) to green (Active).

3.5. Grounding

Analog inputs and outputs feature Iso-Float™ ground isolation, a technology which combines the benets of

transformer-coupled isolation with the advantages of clean, direct-coupled inputs and outputs.

The audio converters are galvanically isolated, and not connected to the main ground. High-speed transformers

and opto-isolators create a barrier between the device and the outside electrical environment.

NOTE: The Iso-Float feature is activated by default, but may be disabled via the LAKE Controller

software, or via the front panel menu.

Use correctly-shielded balanced audio input connections to minimise hum and interference. Please refer to section

7.1.5 of the LM Series Operation Manual for further information.

NEVER disconnect the earth (ground) pin on the mains cable (AC power cord).

4. Product overview

10 LM SERIES Quick Start Guide rev 1.3.6

4. Product overview

4.1. Front panel

Figure 4.1: LM Series Front Panel Layout

The front panel controls are clustered around a daylight readable LCD 3 , allowing adjustment and monitoring of

the majority parameters and meters. The two clusters of controls on either side of the LCD include ve dedicated

function buttons 4 5 6 , six dynamic function buttons with embedded LEDs 7 8 and a rotary data encoder 9 .

To the right of these controls is a dynamic illuminated I/O divider 10 along with input and output 11 mute buttons

and level meters.

1 Handles - Two sturdy cast aluminium handles are integrated into the front panel. The handles should be used

when carrying the device, and when tting into or removing from a rack. Ensure that any door or removable rack

front cover has sufcient depth to clear the handles.

2 Standby - LM Series devices are powered on and placed into standby mode using the left-most button, or via

the LAKE Controller. Standby mode is not equivalent to turning the device off at the mains power.

NOTE: All audio in and out of the processor is muted when in Standby mode. Network communication

remains active to allow the device to be turned on via the LAKE Controller.

3 Display - The display illuminates when the device is on. The LCD, function buttons, and the rotary encoder

provide real-time control and monitoring of most parameters. The LEDs embedded in the function buttons indicate

available menu options, provide conrmation of Controller communication, and indicate various faults

and warnings. The brightness and contrast of the display and front panel LEDs can be adjusted via the front panel

menu. Please refer to chapter 6 of the LM Series Operation Manual for further details.

4 Meter - The METER button scrolls through various meter views including the default Home View, Input Meters

View (Mesa Mode only) and I/O Status View. Pressing METER from Menu Mode returns the screen to Meter Mode

with the Home View displayed. Please refer to section of the LAKE LM Series Operation Manual for further details.

5 Menu - After pressing the MENU button, the LCD will display the top level menu. In Menu Mode the dynamic

function buttons enable access to various information and functionality. Please refer to section 6.5 of the LM Series

Operation Manual for further details.

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