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PRECAUTIONS

The output jack is an EIAJ-standard 1/4" phone jack. Be sure to use
an appropriate connection cable.

The built-in preamplifier is automatically turned on when a plug is
inserted into the output jack. When not using the instrument, or when
playing it without amplification, be sure to remove the plug from the
output jack so that the preamplifier power is turned off.

Always set the VOLUME control to “0” when plugging in or
unplugging the connection cable.

The battery check indicator (BATT.) will light briefly when a plug is
inserted or removed from the output jack. This is normal and does not
indicate a malfunction.

Be sure to remove the battery if the instrument will not be used for an
extended period of time in order to prevent possible damage due to
battery leakage.

Owner’s Manual

Thank you for choosing a Yamaha electric-acoustic guitar.
In order to make the most of the advanced features and
performance provided by your guitar, please read this
manual carefully before using the instrument.

BATTERY REPLACEMENT

Be sure to replace the battery as soon as possible when the battery check
indicator lights in order to avoid reduced sound quality.

* Be sure to remove the battery if the instrument will not be used for an extended

period of time in order to prevent possible damage due to battery leakage.

q

Press the catch on the battery holder in the direction indicated by the arrow
in the illustration in order to unlock it.

w

Slide out the battery case.

e

Remove the old battery from the battery case, and insert the new battery
making sure that the (+) and (–) terminals of the battery are positioned as
shown in the illustration. Use only a DC9V, S-006P (6F22) or equivalent
battery.

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Slide the battery case back into the battery holder and press firmly so
that the battery case locks into place.

ELECTRIC

ACOUSTIC GUITAR

Battery Holder

Control Section

Bar Sensor

NOMENCLATURE

Output Jack (with power switch function)

SPECIFICATIONS

System

SYSTEM-55T

: Monaural 1 way

Pickup

Bar Sensor (Piezo type)

Pre-amplifier Controls

VOL., 3 Band (HIGH, MID, LOW) EQ
control, AMF control

Output jack

Combination end pin/power switch

Output impedance

1 k

Power supply

9V DC, S-006P (6F22) dry cell battery

Battery life

Approx. 150 hours (without tuner)
Approx. 140 hours (with the preamp
switched ON and the tuner used 1 minute
every 1 hour)

Tuner

Tuning System

: Chromatic type (12

semitones), A4=440Hz

Auto OFF Function

: Tuner automatically

switches OFF after 1 minute.

Input

: Built in pickup (bridge bar sensor)

Accuracy

: +/– 3 cents

Accessories

• Hexagonal wrench for neck adjustment x1
• S-006P (6F22) dry cell battery x1

THE CONTROLS

USING THE TUNER

The guitar is equipped with an A4=440Hz standard pitch tuner. The
tuner’s circuitry is independent from the guitar’s output circuit so
switching the tuner ON/OFF will have no affect on sound output.

q

Press the TUNER switch. While the tuner activates the 

 and 

 lamps

light alternately.

w

Tune the guitar string until the note name of the desired pitch appears in
the tuner’s display.

The 

 lamp indicates the pitch is low.

The 

 lamp indicates the pitch is high.

The pitch indicator ( 

 ) flashes slower as the string’s pitch nears the

note shown in the display.

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The string is in tune when the 

 and 

 lamps both light.

* The tuner automatically switches OFF when not used for more than one minute

(energy saver function). Press the TUNER switch again to switch it back on.

* It may take a few seconds before the tuner can detect pitches after being switched

ON.

* The note name and 

 displays may have difficulty keeping up with irregular

pitch changes. Gradually change the pitch and check when tuning.

* The tuner may have difficulty detecting notes rich with overtones or with very

short sustain.

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t

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3 Band Equalizer

LOW

: Boosts or cuts the level of the low frequencies.

MID

: Boosts or cuts the level of the middle frequencies.

The AMF control 

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 adjusts the center frequency of the band

affected by this control.

HIGH

: Boosts or cuts the level of the high frequencies.

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AMF Control

Sets the center frequency of the band of frequencies affected by the MID
equalizer control. The range is from 80 Hz to 10 kHz.

* This control has no effect when the MID equalizer control is set to its center

(“0”) position.

t

Tuner Switch

Switches the tuner ON/OFF.

y

Tuner Display

Displays tuner information.

q

VOL. (Volume) Control

Adjusts the overall output volume level.

* Make sure that the VOL. is turned to “0”

before connecting or disconnecting.

w

BATT. (Battery Check) Indicator

This indicator will light when the battery
needs to be replaced.
Please replace the battery as soon as
possible when the BATT. indicator lights.

OPEN

Catch

DC9V S-006P

(6F22)

Battery case

q

OPEN

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e

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WG55660̲55T̲China

06.5.22, 3:31 PM

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