User manual ROLAND AC-2

[. . . ] * If there are batteries in the unit while an AC adaptor is being used, normal operation will continue should the line voltage be interrupted (power blackout or power cord disconnection). * Use only the specified AC adaptor (PSAseries). 3 4 7 5 6 4 2. CHECK Indicator This indicator shows whether an effect is ON/OFF, and also doubles as the Battery Check indicator. The indicator lights when an effect is ON. Panel Descriptions * If this indicator goes dim or no longer lights while an effect is ON, the battery is near exhaustion and should be replaced immediately. [. . . ] LINE OUT Jack This output jack is used for connecting to mixers, recorders, and other devices that accept line-level input. When a cable is also connected to the G. AMP OUT jack, the output is sent from the LINE OUT jack when the effect is switched on, while the output is muted when the effect is switched off. Pedal Switch This switch turns the effects on/off. 5 Panel Descriptions 6. Thumbscrew When this screw is loosened, the pedal will open, allowing you to change the battery. * For instructions on changing the battery, refer to "Changing the Battery" (p. INPUT Jack This jack accepts input signals (coming from a guitar, some other musical instrument, or another effects unit). Power to the unit is turned on when you plug into the INPUT jack; the power is turned off when the cable is unplugged. When not using the effects unit, be sure to disconnect the plug from the INPUT jack. 8. REVERB Knob This adjusts the amount of reverb applied to the sound. 9. LEVEL Knob This adjusts the volume of the effect sound. 6 Panel Descriptions 10. BODY Knob This adjusts the resonance of the sound produced by the guitar body, altering the characteristic mellowness and breadth of the acoustic guitar sound. 11. Should you prefer to use batteries, please use the alkaline type. fig. 12 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. Thumbscrew Pedal Spring Base Battery Snap Cord Coil Spring Guide Bush Hole 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 ­). 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 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. 16 Troubleshooting Power won't come on / CHECK indicator doesn't light: Is the specified adaptor (PSA-series; sold separately) properly connected?* Never use any AC adapter other than one specified for use with the AC-2. * The battery that was supplied with the unit is for temporary use, intended primarily for testing its operation. * The use of an AC adaptor is recommended as the unit's power consumption is relatively high. * To prevent unnecessary battery consumption, be sure to disconnect the plug from the INPUT jack when not using the effects unit (p. [. . . ] Pedal switch, LEVEL knob, REVERB knob, BODY knob, TOP knob, MODE knob Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CHECK indicator (Serves also as battery check indicator) Connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . INPUT jack, LINE OUT jack, G. AMP OUT jack, AC adaptor jack (DC 9 V) Power Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DC 9 V: Dry battery/9 V type (6F22 (carbon), 6LR61 (alkaline)), AC Adaptor (PSA-series: optional) 21 Specifications Current Draw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]