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Lehle DUAL EXPRESSION - User Manual

Lehle DUAL EXPRESSION
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OPERATING INSTRUCTIONS
LEHLE DUAL EXPRESSION
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Lehle DUAL EXPRESSION Specifications

General IconGeneral
BrandLehle
ModelDUAL EXPRESSION
CategoryMusic Pedal
LanguageEnglish

Summary

Introduction

Hall Effect Sensor Technology

Explains the magnetic sensor and its calibration for precise pedal movement measurement.

Digital Potentiometers for Precision

Details the use of digital potentiometers for accurate expression data generation.

Smooth Pedal Feel and Adjustability

Covers the low-friction bearings and adjustable pedal mobility for user comfort.

Compact Design and Weight Reduction

Highlights the reduced size and weight compared to previous models.

Technical Data

Product Specifications

Lists weight, dimensions, supply voltage, current consumption, and maximum level.

How Expression Pedals Work

Controlling Effects Parameters

Explains how expression pedals control specific values in effects devices.

Understanding Cable Polarities (RTS, TRS, TS)

Defines the different connection types and their roles in signal routing.

General Description and Features

USB Socket Functionality

Details the USB socket for firmware updates and MIDI-USB capabilities.

50 K Socket Operation

Explains the 50K socket and its modes (Autodetection, TRS, RTS), and connection types.

10 K Socket Operation

Details the 10K socket, its modes (Autodetection, TRS, RTS, momentary, latching switch).

External Power Supply Requirements

Specifies the voltage and current requirements for the external power supply.

LED Indicators and Control Buttons

Describes the power LED and buttons for changing socket modes (10K and 50K).

Pedal Adjustment and Mounting

Pedal Feel Adjustment

Explains how to adjust the pedal's resistance using a screw.

Mounting and Fixing Methods

Details how to mount the pedal using screws or 3M Dual Lock for stability.

Calibration Procedures

Entering the Calibration Menu

Step-by-step guide to enter the calibration mode by holding a button.

Calibrating the Pedal Range

How to set the minimum and maximum positions for the pedal's expression range.

Calibrating the Relay Switch Output

How to set the trigger position for the relay switch output on the 10K socket.

Restoring Factory Settings

Resetting All Configurations

Step-by-step guide to reset all settings and calibrations to their factory defaults.

Typical Uses and Connections

As a Classic Expression Pedal

How to use the pedal with standard effects pedals for parameter control.

With Kemper Profiler Devices

Connecting the pedal to Kemper Profiler Head/Stage for expression and switching.

With Multi Effects Pedals

Using the pedal with multi effects units for expression and switching functions.

With Effects Pedal and Amplifier

Controls effects and amplifier channels, including momentary and latching switch functions.

With Synthesizers and Keyboards

Controlling parameters like volume, pitch, or filter on synthesizers and keyboards.

As an Attenuator for Control Voltage (CV)

Manipulating control voltage (CV) for modular synthesizers.

As MIDI-USB Expression Pedal

Sending MIDI data via USB to control software on a computer.

User Flow Maps

Calibration Process Flow

Visual guide for calibrating pedal range and switch output.

Factory Setting Restoration Flow

Visual guide for restoring the pedal to its factory settings.

Functional Diagram

Circuitry Overview

Illustrates the internal connections and components of the LEHLE DUAL EXPRESSION.

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