User manual ROLAND E-68 MIDI IMPLEMENTATION

[. . . ] Reissued in 1990 the BASSMAN® can still be found at work on live stages and in studios around the world. Among the several models in the BASSMAN® series, the 1959 model is especially acclaimed, and its circuitry had a major impact on the designs of amps from other manufacturers. For many, the BASSMAN® is the mother of all amps! fig. bassman. eps 3 Panel Descriptions fig. E-68-name1. eps 1. AC Adaptor Jack 12 This jack accepts the connection of an AC adaptor (optionally available BOSS PSA-series). [. . . ] Pedal Switch This switch turns the effect on/off. 5 Panel Descriptions fig. E-68-name2. eps 10. TREBLE Knob 8 9 10 11 12 This knob controls the tone of the effect at higher frequencies. 7 11. LEVEL Knob This adjusts the volume of the effect sound. * No sound is output when this knob is turned completely counterclockwise. 7. PRESENCE Knob This adjusts the sound quality of the ultrahigh range. 12. GAIN Knob This adjusts the amount of distortion and the volume level. Turning it clockwise makes distortion stronger and increases the volume level. 8. MIDDLE Knob This knob controls the tone of the effect at middle frequencies. 9. BASS Knob This knob controls the tone of the effect at lower frequencies. 6 Connections * Inserting a connecting plug into the INPUT jack or the BRIGHT IN jack turns on the power to the unit. * Raise the amp volume only after turning on the power to all connected devices. * The use of an AC adaptor is recommended as the unit's power consumption is relatively high. Adjust the output volume with the LEVEL knob. Normally, you should adjust the LEVEL knob so there's no difference in the volume when switching the effect on and off. 11 Changing the Battery When the indicator goes dim or no longer lights while the effect is on, it means that the battery must be replaced. Replace the battery following the steps below. * The use of an AC adaptor is recommended as the unit's power consumption is relatively high. Should you prefer to use a battery, please use the alkaline type. fig. replace-battery. eps 1. Hold down the pedal and loosen the thumbscrew, then open the pedal upward. * The pedal can be opened without detaching the thumbscrew completely. Thumbscrew Pedal Spring Base 2. Remove the old battery from the battery housing, and remove the snap cord connected to it. 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 -). Battery Snap Cord Coil Spring Guide Bush Hole 4. Slip the coil spring onto the spring base on the back of the pedal, and then close the pedal. * Carefully avoid getting the snap cord caught in the pedal, coil spring, and battery housing. Battery Snap Battery Housing 9V Battery 5. Finally, insert the thumbscrew into the guide bush hole and fasten it securely. 12 Troubleshooting The power won't come on/ the CHECK indicator doesn't light Is the specified adaptor (PSA-series, sold separately) properly connected? Check the AC adaptor connection (p. 8). * Never use any AC adapter other than one specified for use with the E-68. BRIGHT IN jack) to allow the effect to be turned on. * If a cable is connected but no power is supplied to the unit (either from a battery or an AC adaptor), the CHECK indicator will not light when you try to turn the effect on. Is the battery low or dead? No sound / low volume Is your instrument properly connected to the E-68? [. . . ] 36 mA (DC 9 V) * Expected battery life under continuous use: Carbon: 3 hours, Alkaline: 10 hours These figures will vary depending on the actual conditions of use. Dimensions: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 (W) x 129 (D) x 59 (H) mm / 2-7/8 (W) x 5-1/8 (D) x 2-3/8 (H) inches 17 Specifications Weight: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 440 g /1 lb (including battery) Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Owner's manual, leaflet ("USING THE UNIT SAFELY, " "IMPORTANT NOTES, " and "Information"), dry battery/9 V type (6LR61) * The battery that is supplied with the unit is for temporary use, intended primarily for testing the unit's operation. [. . . ]