Roland COSM Owner's Manual
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Roland COSM Owner's Manual

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Owner's Manual
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.
408501C-203
'08-07

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  • Page 1 Owner’s Manual 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.
  • Page 2 USING THE UNIT SAFELY symbol alerts the user to important instructions Used for instructions intended to alert or warnings.The specific meaning of the symbol is the user to the risk of death or severe determined by the design contained within the injury should unit...
  • Page 3 • Try to prevent cords and cables from becoming entangled. Also, all cords and cables should be placed so they are out of the reach of children......................• Never climb on top of, nor place heavy objects on the unit......................

  • Page 4: Important Notes

    IMPORTANT NOTES Power Supply: Use of Batteries Maintenance 303b 401a • As the unit’s power consumption is relatively high, please • For everyday cleaning wipe the unit with a soft, dry cloth use alkaline batteries. or one that has been slightly dampened with water. To remove stubborn dirt, use a cloth impregnated with a 304b •...

  • Page 5: Main Features

    Main Features ● Acoustic modeling simulates the presence-filled sound of a real acoustic guitar This system simulates the warmth of the body’s sound and the glittering highs by COSM technology that tend to get lost when piezo pickups are used.

  • Page 6: Names Of Things And What They Do

    PREAMP Model Names of Things and What They Do fig.panel.eps LCD display This indicates the status of the various functions and settings. BODY knob This knob adjusts the resonance from the body’s sound as well as the mellowness and fullness of the acoustic guitar’s characteristic sound.
  • Page 7 PREAMP Model ■ Information Indicated in the LCD Display fig.** BATTERY icon This indicates the remaining battery power. fig.batterymeter-e.eps Full power Little power remaining Flash Batteries have Please insert full power. new batteries. * Please be aware that the battery status indication is only a standard. EFFECT icon This lights when the EFFECT function is in use.

  • Page 8: Inserting The Batteries

    PREAMP Model Inserting the Batteries Slide the battery cover towards OPEN, then open the compartment. fig.battery1.eps • Remove the batteries whenever the unit is to remain unused for an extended period of time. This may cause battery fluid leakage. • If a battery has leaked, use a soft piece of cloth or paper towel to wipe Place the batteries in the compartment.

  • Page 9: Operation

    PREAMP Model Operation ■ Try Producing Some Sound When you have finished making the connections, set the knobs and EQ as shown in the figure. * For information on how to make the settings for the EQ, refer to step 3 on this page. fig.00a.eps * Setting the BODY knob and VOLUME knob to the center position.
  • Page 10 PREAMP Model ■ Adding Reverb Applying reverb to the sound produces a natural reverberation effect. Pressing the EFFECT button switches the PREAMP to the effect settings mode. Press the EQ/EDIT button (UP, LEFT, DOWN, RIGHT) to adjust the manner in which reverb is applied.
  • Page 11 PREAMP Model While checking the tuning guide, tune the string until the “ ” appears in the center of the guide. Too high Just tuned Too low Repeat Steps 1–3 in tuning all of the strings. * With the default factory settings, the output sound is muted while the tuner is in use. The MUTE icon appears in the upper right of the display when the sounds are muted.

  • Page 12: Saved Settings

    PREAMP Model ■ Switching VARIATION (Tones) Press the VARIATION button to switch among tone variations. The variation number appears in the center of the display’s upper area. For information about the types of variations (tones), refer to “About the PREAMP Variations (Tones).” ■...

  • Page 13: Troubleshooting

    Could the EQ settings be turned up too high? Adjust the settings as described in “Try Producing Some Sound.” Specifications PREAMP: COSM Acoustic Preamp Input Impedance....10 M Ω Nominal Output Level..-20 dBu Output Impedance ....1 k Ω...
  • Page 14 About the PREAMP Variations (Tones) Tones correspond to each variation number as shown below. Variation number Description Composition of the variation You can set the EQ and effect (reverb) of each variation. VARIATION 1 EFFECT (REVERB) VARIATION 2 EFFECT (REVERB) OUTPUT VARIATION 3 EFFECT (REVERB)
  • Page 15 For EU Countries This product complies with the requirements of EMC Directive 2004/108/EC. For the USA FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
  • Page 16 For China...

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