User manual ROLAND OD-3 MANUAL 2

[. . . ] This way, you can prevent malfunction and/or damage to speakers or other devices. · A battery was installed in the unit before it left the factory. The life of this battery may be limited, however, since its primary purpose was to enable testing. · Before connecting this unit to other devices, turn off the power to all units. [. . . ] INPUT Jack This jack accepts input signals (coming from a guitar, some other musical instrument, or another effects unit). * The INPUT jack also serves as the power switch. Power is turned on whenever a plug is inserted into the INPUT jack, and is turned off when the plug is disconnected. When not using the unit, you should disconnect any cord connected to the INPUT jack. 3. OUTPUT Jack The output jack is used to connect the unit to an amplifier or another device. 4. Pedal Switch This switch turns the effects ON/OFF. 7 LEVEL Knob DRIVE Knob LEVEL Knob This knob adjusts the level of the effect sounds. DRIVE Knob This adjusts the amount of overdrive. Rotating it clockwise increases the effect, whereas counterclockwise rotation reduces the effect. TONE Knob TONE Knob This controls the tone. Rotating the knob counterclockwise will make the sound milder, while rotating it clockwise will make the sound sharper. 8 MAKING THE CONNECTIONS AC Adaptor (PSA-Series; Optional) OUT DC 9V / 200 mA Electric Guitar Amplifier * Inserting a plug into the Input Jack will automatically switch the unit on. * Before connecting or disconnecting any patch cords, be sure all the volume controls in your system are set to minimum. This will help prevent any damage to system components. * To prevent malfunction and/or damage to speakers or other devices, always turn down the volume, and turn off the power on all devices before making any connections. * Always make sure to have the volume level turned down before switching on power. Even with the volume all the way down, you may still hear some sound when the power is switched on, but this is normal, and does not indicate a malfunction. * When operating on battery power only, the unit's indicator will become dim when battery power gets too low. Replace the battery as soon as possible. 9 OPERATING THE UNIT 1 When you have made the necessary connections, set the knobs as shown in the illustration. 2 Depress the pedal switch to turn the effect on. (Make sure the CHECK indicator lights. ) 3 Adjust the depth of the Overdrive effect using the DRIVE knob. 10 4 Adjust the tone using the TONE knob. 5 Adjust the LEVEL knob so that the level of the sound obtained when the effect is on is equal to that obtained when it is off. 11 CHANGING THE BATTERY When the indicator goes dim or no longer lights while an effect is on, it means that the battery is nearly dead and must be replaced. Replace the battery following the steps below. Thumbscrew Pedal Spring Base 1 Loosen the thumbscrew at the front of the pedal, then lift the pedal upwards to open the unit. * The thumbscrew can be left in the pedal while changing the battery. Coil Spring Battery Snap Cord 2 Remove the old battery from the battery housing, and remove the snap cord connected to it. 3 Connect the snap cord to the new battery, and place the battery inside the battery housing. * Be sure to carefully observe the battery's polarity (+ versus -). Guide Bush Hole Battery Snap Battery Housing 9V Battery 4 Slip the coil spring onto the spring base on the back of the pedal, then close the pedal. * Carefully avoid getting the snap cord caught in the coil spring. 12 5 Finally, insert the thumbscrew into the guide bush hole and fasten it securely. SETTING EXAMPLES OD-3 Overdrive Sound Hard Overdrive Sound Booster 13 SPECIFICATIONS OD-3: OverDrive Nominal Input Level . . . . . . . . . . . . . . . . . . . . -20 dBu Input Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . 1 M Nominal Output Level . . . . . . . . . . . . . . . . . -20 dBu Output Impedance . . . . . . . . . . . . . . . . . . . . . . . 1 k Equivalent Input Noise Level . . . . . . . . -115 dBu (IHF-A Weighted, Typ. ) Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] A damaged cord can easily become a shock or fire hazard. Also, all cords and cables should be placed so they are out of the reach of children. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . · Before cleaning the unit, turn off the power and unplug the AC adaptor from the outlet (page 9). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . · Never climb on top of, nor place heavy objects on the unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . · Whenever you suspect the possibility of lightning in your area, disconnect the AC adaptor from the outlet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . · Never handle the AC adaptor body, or its plugs, with wet hands when plugging into, or unplugging from, an outlet or this unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . · Before moving the unit, disconnect the AC adaptor and all cords coming from external devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 · If used improperly, batteries may explode or leak and cause damage or injury. In the interest of safety, please read and observe the following precautions (page 12). · Carefully follow the installation instructions for batteries, and make sure you observe the correct polarity. [. . . ]