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manual abstract
Set level controls of instrument and amplifier to proper position to avoid such trouble. OPERATING SP-1 1 After connecting all cords required, set all knobs on the panel as illustrated. 2 Tread the pedal to check battery. If check lamp lights, battery is live. * If lamp does not light, which means dead battery, replace with a new battery. 3 4 5 CHECK 0 »1 SPECTRUM Tread pedal to set the unit in the state that sound is effected. Turn Spectrum knob to proper position. Turn Balance knob to proper position to obtain well-balanced volumes of Normal and Effect modes. BALANCE NAME AND FUNCTIONS BOSS Spectrum SP-1 is a perfectly new effect unit; it adds variety to the original sound by emphasizing a limited frequency range of the sound spectrum. The emphasis frequency can be continuously variable between 500Hz and 5KHz. It is especially efficient when used at high frequencies. Also it will give you a unique tone, used with a bass guitar. AC ADAPTOR JACK» BALANCE OUTPUT JACK* -•CHECK LAMP SPECTRUM INPUT JACK PEDAL*- Spectrum SP-1 SCREW SPECTRUM The frequency to be emphasized can be continuously changed from 500Hz to 5KHz by this knob. The frequency becomes higher when turned clockwise ('“*), and lower when turned counterclockwise in). BALANCE This knob controls volume balance of Normal and Effect modes. Turn clock wise to boost Effect volume and counterclockwise to boost Normal volume. * The total volume is constant without regard to Balance control setting position. INPUT JACK This input jack receives output from electric guitar and other electronic instruments. OUTPUT JACK This jack feeds signal to amplifier. AC ADAPTOR JACK SP-1 operates both from self-contained battery (9V) and from AC line. Connect a BOSS AC Adaptor (DC9V) to this jack. and the battery is disconnected from the circuit, guaranteeing stable long time performance. PEDAL SWITCH This is a changeover switch for Normal or Effect. By use of FET ELECTRONIC SWITCH, first in these kinds of small size effect units, pop noise is perfectly eliminated and OD 1 can be satisfactorily employed even in studio recording. CHECK LAMP While pedal is trod down, this lamp lights if battery is normal. Thus this lamp lets you confirm the changeover between Effect and Normal modes, and also battery state. If the indicator tails to light, replace the battery with a new one. SCREW When replacing battery, loosen this screw to open the casing. Do not remove off the screw from the pedal. I f you do, be care fu! not to lose it. CAUTIONS FOR REPLACING AND HANDLING BATTERY PEDAL (COVER) ' SCREW /SPRING BASE BATTERY ^ „ COIL SPRING STRAP \ PEDAL GUIDE BATTERY' CONNECTOR BATTERY HOUSING 9V BATTERY REPLACING BATTERY USE ONE 9-VOLT BATTERY. 0 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. 0 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 spring. 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. • 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. AC ADAPTOR (OPTION) When you operate SP-1 from AC line, use AC Adaptor for SP-1. SPECIFICATIONS Power...............Battery 9V (1) AC Adaptor Current draw...........DC9V, 3.5mA Control ..............Spectrum (500Hz - 5KHz continuous), Balance Others...............Normal/Effect Changeover Switch, Battery Check Lamp (also for confirmation of Normal/Effect changeover) Jack................Input, Output, AC Adaptor S/N ratio .............OverBOdB Input impedance......... 220Kft Output load impedance.....Over 600ii Dimensions............7Q(W) x 55(H) x 125(D)mm Weight............... 400g * Specifications are subject to change without notice. oianss | j ^^3 Products of Roland Printed in Japan '78 Dec. B-3 DVA'Sh S/'J—Xeo-f i/S/ NOTICE: f i v O-i yV^—ty— tt, )\vt U — fi 'y^/c’liT’&K. I7i£ City, ;-?)№Zlt'(l'îJJT-ti-eg < it o tz vmi lu < a o tiata. SîfitÎJSLTTè^. There has been a change in the LED indicators of the Boss compact series pedais. Instead of being merely a battery checker which lights only when the pedal is depressed, the LED now goes on whenever the effect is on; therefore, the ON/OFF status of the effect can be seen at a glance. If the LED is dim when the effect is on, or d...