Lexicon 480L User Manual

Details the connectors and ports located on the rear panel of the 480L unit for audio and control interfaces.

Describes the components and features accessible on the front panel of the 480L, including the memory cartridge slot and power switch.

Explains the internal components visible when the front panel is opened, such as the cooling fan, card retainer, and removable modules.

Provides an overview of the Lexicon Alphanumeric Remote Control (LARC), detailing its display, keys, sliders, and functions.

Provides instructions and considerations for physically mounting the 480L unit in a rack or on a flat surface.

Details the power requirements for the 480L, including voltage settings and power consumption.

Explains how to connect the LARC to the 480L mainframe using the appropriate connectors and cables.

Guides on connecting the 480L to a mixing console for optimal audio signal flow and configuration.

Provides instructions for setting input and output levels to achieve optimal performance and prevent clipping.

Explains how to float the 480L's analog circuitry from chassis ground for specific application needs.

Introduces the use of digital audio I/O for processing and interfacing with other digital audio equipment.

Defines essential terminology for operating the Lexicon 480L, including Algorithm, Parameter, Program, and Register.

Details how to set up configurations like Cascade, Stereo Split, and Mono Split for simultaneous program operation.

Explains how to check the system's current status, including configuration and sampling rate.

Discusses using multiple LARCs for enhanced control over the 480L, especially in split or cascade modes.

Guides users on selecting banks, loading programs, and cueing up subsequent programs for efficient operation.

Covers adjusting parameters using LARC sliders, changing pages, and accessing vernier adjustment modes.

Explains how to use registers to store edited parameters, name registers, and protect contents.

Details methods for protecting registers, moving them between memory and cartridges, and clearing contents.

Provides a reference for parameters within the control mode, covering status, configuration, sampling rate, and input sources.

Explains how to set up MIDI communication, control parameters remotely, and use MIDI note events for triggering.

Explains the philosophy behind the 480L's reverberation structure and its four sound classes.

Details parameters like RT MID, SHAPE, SPREAD, SIZE, and HF CUTOFF that shape the reverberation sound.

Overview of Hall programs, their suitability for classical and popular music, and emphasis on acoustic space emulation.

Overview of Room programs, characterized by smaller, more colored spaces suitable for film and video production.

Describes Wild Spaces programs as reverberation effects, distinct from natural sounds, ideal for popular music production.

Describes Plate programs that mimic metal plates, offering bright, colored sounds suitable for percussion and general music.

Explains the effects algorithm's use of randomly varying time delays for complex and interesting sounds.

Details parameters like SPIN, SLOPE, LENGTH, WANDER, and NUMBER that control the effects.

Introduces programs in Bank 5, noting their complexity and suitability for diverse audio applications.

Overview of the 480L's sampling programs, their features, and capabilities, including SME card usage.

Details Bank 6 samplers, requiring the optional SME card for extended stereo or mono sampling capabilities.

Describes Bank 7 samplers that do not require the SME card, offering various sampling modes and percussion adjustments.

Provides step-by-step instructions for recording, editing, and playing samples, including specific notes for SME samplers.

Explains how to patch MIDI controllers and note events to control sampler parameters and trigger events.

Details available sampling controls and parameters, including CAP Key, Capture MODE, CHK Key, CUE Key, and FADE TYPE.

Introduces the Doppler program's ability to recreate the Doppler effect for film and video applications.

Explains parameters like PLAY Trigger, TYPE, FG, SPEED, TIME, and DISTANCE Q for controlling the Doppler effect.

Overview of the Twin Delay program, a two-voice delay line with adjustable feedback, level, and time for each voice.

Details parameters for Left/Right Dry/Wet levels, delay values, feedback, and panning controls.

Explains the Stereo Adjust program's capabilities for level, equalization, and spatial adjustments, especially for mastering.

Details parameters like LVL, FIN, BAL, ROT, BAS, TREB, XOV, HFC, and SPC for fine-tuning stereo audio.

Introduces the Pitch Change program, a stereo or mono pitch shifter with predelay, feedback, and glide effects.

Details parameters like MOD, SNC, PCH, FIN, PDL, PDR, FBL/FBR, and MIX for pitch shifting and related effects.

Explains the two Parametric EQ programs (Stereo and Mono) for frequency adjustment, boost/cut, and Q control.

Details parameters for Stereo EQ, including Level, Balance, Link, Frequency, and Q adjustments for bands.

Details parameters for Mono EQ, covering Level, Fine Level, Frequency, and Q for four distinct frequency bands.

Covers the main categories of MIDI use with the 480L and basic connection principles.

Guides through setting up MIDI channels, program change modes, and connecting controllers/sequencers.

Explores applications like remote control via MIDI keyboard and using corresponding registers for flexible program selection.

Explains how to patch MIDI controllers to 480L parameters for real-time control and create custom master controls.

Details how to control the 480L in real time using MIDI sequencers for automated performance and effects.

Introduces digital I/O capabilities for processing, cascading units, and interfacing with other equipment.

Describes how digital audio inputs and outputs function, including the disabling of analog inputs when digital is active.

Guides on setting the sampling rate, clock source (internal/external), and input source for digital audio connections.

Addresses common problems like formatting errors, software compatibility, noisy digital I/O, and LARC connection failures.

Explains how to enter LARC diagnostic mode and use tests for sliders, buttons, display, serial data, and voltage.

Details input/output levels, impedance, connectors, frequency response, dynamic range, and distortion for the 480L's audio.

Lists LARC controls, display features, connector types, cable specifications, and interface details for digital audio and MIDI.

Covers power requirements, mainframe/LARC specs, memory, serviceability, diagnostics, muting, and RFI shielding.

Details operating range, storage, humidity, cooling, mainframe/LARC dimensions, and weights.

Provides a step-by-step guide for changing the voltage setting of the 480L unit.

Guides on installing internal audio transformers for improved performance in adverse electrical conditions.