Lake LM Series Quick Start Manual
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Lake LM Series Quick Start Manual

Digital audio processors
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LM SERIES
Rev. 1.3.6
Item no. QSG-LM
Digital Audio Processors
Quick Start Guide

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Summary of Contents for Lake LM Series

  • Page 1 LM SERIES Rev. 1.3.6 Item no. QSG-LM Digital Audio Processors Quick Start Guide...

  • Page 2: Important Safety Instructions

    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 flame rated VW-1. LM SERIES Quick Start Guide rev 1.3.6...

  • Page 3: Caution

    If the dust filters are not clean and the unit voltage, do not connect or disconnect speaker cables when malfunctions, any resulting problems will not be covered by the mains power is on. the warranty. LM SERIES Quick Start Guide rev 1.3.6...

  • Page 4: Table Of Contents

    5.2. LAKE Processing and Control 5.3. Modules and Frames 5.3.1. Overview 5.3.2. Super Modules 5.4. Loudspeaker Processor (Contour Mode) Overview 5.5. System Equalizer (Mesa Mode) Overview 5.6. Switching between Contour and Mesa Mode LM SERIES Quick Start Guide rev 1.3.6...
  • Page 5 6.6.1. Maximize Volume Capability 6.6.2. Minimize Noise 7. LM 26 Technical Specifications 8. LM 44 Technical Specifications 9. Warranty and support 9.1. General 9.2. Technical assistance and service 9.2.1. International service 9.2.2. Factory service LM SERIES Quick Start Guide rev 1.3.6...

  • Page 6: Introduction

    2. Introduction 2. Introduction 2.1. Welcome Thank you for choosing the LAKE LM Series of Digital Audio Processors. We are confident that you will be pleased with the performance, unique features, configuration flexibility, reliability, and long-term durability offered by this product.

  • Page 7: Dante™ Audio Network

    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: •...

  • Page 8: Installation

    3.3. Cooling The LAKE LM Series devices use a forced-air cooling system, with airflow from right to left. The dust filter on the air intake (right-side) should be regularly cleaned, especially after exposure to dusty environments, to ensure the maximum possible airflow through the unit.

  • Page 9: 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.

  • Page 10: Product Overview

    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.
  • Page 11 The left LED in the top button illuminates white to indicate the Frame is selected in the LAKE Controller, or flashes white to indicate communication from the LAKE Controller. If this button is pressed while in Home View, and with the LAKE Controller on the Home page or the Modules Menu, the associated Module/s of the selected frame will be highlighted in the Controller (Module A in Contour Mode, or Modules A&B in Mesa Mode).

  • Page 12: Rear Panel

    AES3 I/O - AES inputs and outputs are provided via a 25-pin DB25 connector. Inputs can be received on AES1 (Ch.1,2) and AES2 (Ch.3,4) for all LM Series devices; the LM 44 also allows input from AES3 (Ch.5,6) and AES4 (Ch.7,8).
  • Page 13 Mains Power Connector - A universal power supply capable of accepting 70-265 V ~ 50-60 Hz : 25 W is built into LM Series devices. The IEC power cable provided includes a locking feature via a pin on the bottom of the connector;...

  • Page 14: Signal Flow And Lake Processing

    5.1. Signal flow The figures below depict the audio signal flow for LM Series devices configured in both Contour and Mesa modes. It is worth noting that this sophisticated device provides up to five points in the signal chain where the signal level can be adjusted, muted or disconnected (depending on whether configured in Contour or Mesa Mode as described below).
  • Page 15 5. Signal Flow and LAKE Processing Figure 5.2: LM Series Signal Flow (Mesa Mode) Please refer to section 6.9.4.2 of the LM Series Operation Manual for information on changing the Frame configuration between Contour and Mesa Modes. The numbers below correspond the points identified in Figure 5.1 and 5.2.

  • Page 16: Lake Processing And Control

    5.3.1. Overview A Frame represents one physical LAKE Processor (e.g. LM 26 or LM 44). In Contour Mode, a maximum of two Modules are contained within each Frame; these are referred to as Module A and Module B. The number of Modules shown in a given Frame is also dependent upon the signal processing configuration of that Frame.

  • Page 17: Loudspeaker Processor (Contour Mode) Overview

    Module and can be configured as crossovers, full-bandwidth auxiliary outputs, or a combination of the two. The relationship between inputs and outputs is defined via the LAKE Controller or via the front panel I/O CONFIG Menu.

  • Page 18: Module, System And Sub-System Configuration Files

    (i.e. the data shown in red in the signal flow diagrams in section 5.1). A Module file may be recalled into other LAKE devices. It is not possible to store a Module File directly on the hardware device.

  • Page 19: Quick Start Tutorial

    Visit http://lakeprocessing.com/ to download the latest LAKE Controller software package. This should be installed on any PC/s that will be used to control and monitor the LAKE Processor network. In a situation where multiple networked LAKE Processors are involved, this will generally be a Tablet PC.

  • Page 20: Software Installation

    6.3.4. Ethernet Configuration This device provides control, monitoring and digital audio functionality via an Ethernet network. For further information on the setup and configuration of an Ethernet network, please refer to the LAKE Controller Operation Manual and the LAKE Network Configuration Guide.

  • Page 21: Lm Series Configuration Tutorial

    This tutorial provides a step-by-step guide for configuration of a typical professional loudspeaker system and provides an overview of the basic features and operation of LM Series devices. This tutorial uses the LAKE Controller software for configuration, although many steps are also available via the front panel interface.
  • Page 22 26. Tap any of the four magnifying glass icons on the right-side of Module A’s block diagram to open the Output Configuration screen. 27. Verify that the Output Configuration is routed as shown in Figure 6-1 below where Source = Module Outputs and Destination = Analog Outputs. LM SERIES Quick Start Guide rev 1.3.6...
  • Page 23 29. Tap the return key to close this screen and return to I/O CONFIG. 30. The following settings on the left-side of the I/O CONFIG screen should be correct by default; if they are incorrect, please refer to the LAKE Controller Operation Manual for further details. • PRIMARY DIGITAL CLOCK: Internal –...

  • Page 24: Gain Structure

    Please refer to the LAKE Controller Operation Manual for detailed information on the XOVER screen. 34. Tap the AUX-4 tab to show the HPF/LPF and EQ settings for the Subwoofer channel. Please refer to the LAKE Controller Operation Manual for detailed information on the AUX screen.

  • Page 25: Input Mixer

    Input Gain is used to adjust the level between different speaker cabinets in the system. This gain can remain at 0.00 dB unless a lower level is required for the cabinet/s driven by this Module. NOTE: Module Input Gain is not applicable for LM Series devices configured in Mesa Mode. 6.5.4. Module Output Gain (Levels) Factory and User Gain are provided for each Module output.

  • Page 26: Lm 26 Technical Specifications

    GPIO DB-9 Power Detachable locking 3-pin IEC Control and monitoring interface Via Ethernet for Lake Controller software, or DLM (the 3rd party protocol) Dimensions (W/H/D) 483 mm (19"), 44 mm (1 U), 290 mm (11.5") Weight 5 kg (11 lbs)

  • Page 27: Lm 44 Technical Specifications

    GPIO DB-9 Power Detachable locking 3-pin IEC Control and monitoring interface Via Ethernet for Lake Controller software, or DLM (the 3rd party protocol) Dimensions (W/H/D) 483 mm (19"), 44 mm (1 U), 290 mm (11.5") Weight 5 kg (11 lbs)

  • Page 28: Warranty And Support

    LAKE dealer. If the product fails to perform as specified during the warranty period, LAKE will undertake to repair, or at its option, replace this product at no charge to its owner, provided the unit is returned undamaged, shipping prepaid, to an authorized service facility or to the factory.

  • Page 29: Factory Service

    9. Warranty and support 9.2.2. Factory service In the event a LAKE product requires factory service, you may contact LAKE’s service department for return instructions and a Return Authorization number. Please note for product return: 1. Use the original packing.
  • Page 30 Lake are national and/or international registered trademarks of Music Group. LM, PLM, Loudspeaker Management and Powered Loudspeaker Management are trademarks of Music Group. Dolby is a registered trademark of Dolby Laboratories. Raised Cosine Equalization, LimiterMax and Iso-Float are trademarks of Dolby Laboratories. Audinate is a registered trademark of Audinate Pty Ltd. Dante and Zen are trademarks of Audinate Pty Ltd.

This manual is also suitable for:

Lm 26Lm 44

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