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ELECTRIC
ACOUSTIC GUITAR
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.
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.
NOMENCLATURE
Control Section
Output Jack (with power switch function)
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.
r Slide the battery case back into the battery holder and press firmly so
that the battery case locks into place.
q
w, r
w
r
Catch
Battery Holder
Bar Sensor
e
DC9V S-006P
Battery case
(6F22)
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 kΩ
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
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.
e 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 r adjusts the center frequency of the band
affected by this control.
HIGH : Boosts or cuts the level of the high frequencies.
r 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.
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
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.
e
The string is in tune when the
* 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.
w
q
e
y
t
r
and
and
lamps both light.
lamps
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