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ELECTRIC BASS
OWNER'S MANUAL
CONTENTS
CARE AND MAINTENANCE ..................................................... 2
TUNING MACHINE TENSION ADJUSTMENT ....................... 3
SETTING THE STRING ACTION ............................................. 4
INTONATION ADJUSTMENT ................................................... 5
PICKUP HEIGHT ADJUSTMENT ............................................. 6
TRUSS ROD ADJUSTMENT .................................................... 6
CORRECT USE AND HANDLING O
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CARE AND MAINTENANCE * When connecting or disconnecting cables, turn off the ampli- fier and other equipment or reduce the volume. Congratulations on your choice of the Yamaha electric bass. * After playing, wipe the entire guitar down, including strings, with a good polishing cloth. This will remove corrosive skin With reasonable care, your Yamaha electric oils and acids, and protect the plating, finish, and strings. bass will age gracefully and provide many years of superlative musical service
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TUNING MACHINE TENSION ADJUSTMENT The tuning machines have spring-loaded mechanisms which Clockwise rotation tightens the machine. The tuning machines automatically take up wear, preventing backlash. However, it is should be adjusted to the extent that they are firm, but can turn possible to adjust the amount of pressure required to turn the smoothly. This adjustment is normally unnecessary, and exces- machines. Each machine has a tension adjustment screw, as sive tightening can lead to prematur
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SETTING THE STRING ACTION Set one end of the 15cm rule on top of the Final fret with the flat Height adjustment side of the rule against the string and measure the space be- tween the top of the Final fret and bottom of each open string. The recommended height for each string should be as above. Individual height adjustments for each string are provided in the form of two set screws on each saddle. Clockwise rotation raises saddle height and counter-clockwise lowers the saddle. STRING 4-string 5
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INTONATION ADJUSTMENT When the string gauge and/or bridge height is changed, or the If the fretted note is pitched higher than the harmonic, turn the truss rod is adjusted, it is usually necessary to reintonate the corresponding saddle adjustment screw clockwise, increasing bridge saddles. If the bass plays out of tune in the higher the active string length. registers, this adjustment is needed. Check each string in the Conversely, if the fretted note is pitched lower than the har- following way
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PICKUP HEIGHT ADJUSTMENT TRUSS ROD ADJUSTMENT Proper pickup adjustment ensures maximum output level and The curvature of the neck should be slightly concave. uniform response on all strings. To make adjustments, follow the Clockwise rotation of the nut tightens the rod and corrects for directions below: too much concave bow. Counterclockwise rotation of the nut loosens the rod and corrects for too much convex bend. Make Using your left hand, depress each string at the last fret, while any adjust
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CORRECT USE AND HANDLING OF BATTERIES Battery (6LR61 : 9V, S-006P) When these run out, don’t just Battery (6LR61 : 9V, throw them away, but dispose of S-006P) them as minor chemical waste. * When changing batteries, pay close attention to the +/- polarity markings as shown in the illustration above. 7 1-EB/E 7 04.2.25, 6:00 PM
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SERVICE If your guitar should need any parts or service, or if you need any information, including the address of your nearest YAMAHA dealer, contact: YAMAHA CORPORATION OF AMERICA YAMAHA CANADA MUSIC LTD. YAMAHA-HAZEN ELECTRONICA MUSICAL S.A. Guitar Service Department 135 Milner Avenue Scarborough Jorge Juan 30, 28001 Madrid Spain Ontario MIS 3R1 Canada TEL: 593 2554 6600 Orangethorpe Avenue TEL: 416 298 1311 Buena Park, Calif. 90620 Calif. U.S.A. YAMAHA MUSICA ITALIA S.P.A. TEL: 714 522 9433 Y
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QC69320 Printed in China Page 5 04.2.25, 6:11 PM
