Roland COSM User Manual

Owner’s Manual
408501C-203 ’08-07
Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” and “IMPORTANT NOTES” (p.2–4).
These sections provide important information concerning the proper operation of the unit. Additionally, in order to feel
assured that you have gained a good grasp of every feature provided by your new unit, Owner’s manual should be read in
its entirety. The manual should be saved and kept on hand as a convenient reference.

Roland COSM Specifications

General

Brand	Roland
Model	COSM
Category	Amplifier
Language	English

Summary

USING THE UNIT SAFELY

Safety Notices and Symbols

Explains WARNING/CAUTION notices and safety symbols used in the manual.

General Operational Safety Guidelines

Instructions on avoiding hazards like liquids, unauthorized modifications, and electrical shock.

Environmental and Usage Precautions

Advice on placement, volume levels, and protecting the unit from impact.

Battery Handling and Safety

Comprehensive guidelines for battery installation, use, leaks, mixing, removal, and disposal.

Cord and Unit Handling

Precautions regarding cables, moving the unit, and preventing accidents.

IMPORTANT NOTES

Power Supply and Battery Usage

Recommendations for using alkaline batteries and optimal installation timing.

Placement Guidelines

Additional Operational Precautions

Main Features

Anti-Feedback Function

7-Band Equalizer (EQ)

Chromatic Tuner

Controls and Display

BODY Knob

ANTI-F.BACK Button

Automatically detects and suppresses feedback at unwanted frequencies.

EQ/EDIT Button

Used to select and adjust parameters via directional presses.

TUNER Button

VOLUME Knob

Inserting Batteries and Making Connections

Inserting the Batteries

Step-by-step guide to installing batteries correctly.

Making the Connections

Instructions on connecting the unit to guitars, amps, and mixers.

Operation Guide

Producing Sound

Guides on setting knobs and EQ for initial sound production.

Adjusting EQ Levels

Details how to adjust EQ levels using the EQ/EDIT button.

Setting Volume

Effects and Tuning

Adding Reverb

Tuning Instructions

Step-by-step guide for tuning strings using the built-in tuner.

Advanced Tuning Features

Using the Tuning Guide

How to use the tuning guide to achieve proper pitch.

Tuning All Strings

Changing Reference Pitch

Switching Variations and Functions

Using the Anti-Feedback (ANTI-F.BACK) Function

Saved Settings

Factory Reset

Procedure for returning the PREAMP to its factory-default settings.

Troubleshooting and Specifications

Power Issues

Troubleshooting steps for when the unit does not power on.

No Sound Issues

Troubleshooting steps for when there is no audio output.

Sound Distortion Issues

Troubleshooting steps for when the sound is distorted.

Specifications