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Manafacture: Roland
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manual abstract
The unit wide OUTPUT JACK range of over drive effects allow the effect to be varied from very hard to very soft. A distinct advantage of the SD-1 is its ability to adapt to any guitar, producing the wide range of over drive effects without fundamentaly altering the tonal characteristics of the guitar itself. NAME AND FUNCTIONS BATTERY INDICATOR OVER DRIVE PEDAL, SWITCH 4-OUTPUT SUP€R Over Drive SD-1 TONE INPUT JACK THUMBSCREW OVER DRIVE The Over Drive regulates the amount of over drive effect, distortion harmonics and sustain from a very soft, subtle effect to one that is extremely hard. TONE The tone color of the over drive sound can be controlled by the Tone which varied the effect sound from crisp highs to soft lows. LEVEL The Level allows to control of SD-1’s output loudness so that it can match or contrast with the straight signal. INDICATOR By the LED indicator you can see whether the unit is on or off, even in the darkest on-stage situation. This indicator also allows you to check the battery. When the time comes to replace the battery, the indicator fails to light or becomes dimmer. INPUTJACK The unit is powered-on by plug-in to the Input jack. Keep the plug out from the jack when not in use. OUTPUTJACK The SD-1's low impedance output to the amplifiers is offered to ensure low noise and hum. BATTERY ELIMINATOR JACK The BOSS AC Adaptor is connected to the Battery Eliminator jack when battery operation is not necessarily the most desirable situation. PEDAL SWITCH In our unique FET switching system there are no mechanical contacts in the signal system so it won't make an audible click, and it can't make a pop. The switching is done totally electronically and therefore, cleanly. THUMBSCREW The battery sits in a special compartment under the same footswitch plate that activates the silent switch. When the time comes to replace the battery, you don't even need tools. *Do not remove off the screw from the unit. BEFORE USING SD-1 •When operating SD-1 from AC line, use BOSS AC Adaptor for SD-1. CONNECTING SD-1 •Avoid using SD-1 in very dusty location or under high temperature or humidity conditions. TO BATTERY ELIMINATOR JACK BOSS AC ADAPTOR ‘Power is switched on while a plug is put into input jack. GUITAR AMPLIFIER BOSS SD-1 (Unplug this unit when it is not to be used. Be sure to take off connecting plug from Input jack j OPERATING SD-1 After connecting all cords required, set all knobs on the panel as illustrated. Depress the pedal switch. Check LED lights to indicate "EFFECT ON" and extinguishes to indicate "EFFECT OFF". *This check LED is also used to check battery. If LED fails to light or becomes dim, the battery should be replaced. 3 4 Turn OVER DRIVE control to proper position. While switching pedal ON and OFF, turn LEVEL n knob to proper position so no volume difference between Normal and Effect modes is noticed. TONE o Turn TONE knob to proper position. CAUTIONS FOR REPLACING AND HANDLING BATTERY 9 V BATTERY PEDAL(COVER) THUMB SCREW SPRING BASE COIL SPRING PEDAL GUIDE BATTERY CONNECTOR BATTERY STRAP BATTERY HOUSING REPLACING BATTERY USE ONE 9-VOLT BATTERY. ©Loosen the screw of pedal to open it and take out battery from its housing. ©Replace the battery by a fresh one and put it into position. ©Set coil spring onto the projection on the rear of the pedal and shut the cover (pedal). Finally, insert the screw into the pedal guide and tighten it. At this time, be careful not to catch the battery strap in the cover or coil CAUTIONS •When you don't use for a long period, remove the battery to prevent current leakage and leaking out of sticky substance. •If battery voltage drops, effect becomes inferior or no sound is produced. To prevent that, replace the battery a little earlier. AC ADAPTOR (OPTION) •Be sure to keep the battery snapped by connector into the housing, when using AC adaptor, too. “Even if AC Adaptor cord comes out during performance, operations immediately changes to battery, causing no trouble in continued performance. •Power is switched on while a plug is put into input jack. When you do not use, keep the plug off the jack. SPECIFICATIONS Power................-.. - Battery 9 V (1) AC Adaptor Current Draw..............4mA at 9V Control...................OVER DRIVE, LEVEL, TONE Others....................Normal/Effect Changeover Switch (FET switching system), Battery Check Lamp (Also for confirmation of Normal/Effect changeover) Jack......................Input, Output, AC Adaptor Input impedance.......... 470kft Output load impedance----Over 10kfi Dimensions...............70(W) x 55(H) x 125(D) mm Weight.................... 400g Specifications are subject to change without notice. 0I3DSS Products of Roland SD-1 OWNER'S MANUAL'82 Apr. E-3 [^Roland® 17049760 UPC 1704976Q 109...