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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
Bar Sensor
Output Jack (with power switch function)
SPECIFICATIONS
System
SYSTEM-58: 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. 300 hours
* When using a manganese battery.
* Varies according to operating conditions.
Accessories
• Hexagonal wrench for neck adjustment x1
• S-006P (6F22) dry cell battery x1
Battery Holder
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
THE CONTROLS
q
w
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.
e
DC9V S-006P
Battery case
(6F22)
r
e
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