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Yamaha AC1R Owner's Manual

Yamaha electric acoustic guitar owners manual.
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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 perfor-
mance provided by your guitar, please read this manual care-
fully before using the instrument.
l Before connecting the guitar to the amplifier, refer to the "Battery
Replacement" section and install the batteries.
l Always set the guitar's VOLUME control and the volume control
on the amplifier to their minimum levels when connecting or dis-
connecting the cable.
l The built-in preamplifier is automatically turned ON when a guitar
cable is connected to the output jack. When not using the instru-
ment, or when playing it without amplification, be sure to remove
the guitar cable from the output jack so that the preamplifier pow-
er is turned OFF. Also, if the instrument is not going to be used for
an extended period of time, or when battery power is depleted,
we recommend that the batteries be removed in order to avoid
power consumption or leakage.
Control Section
q VOL Control
Controls the volume.
* Always set the volume to its minimum level when connecting or disconnect-
ing the cable.
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. indi-
cator 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 af-
fected 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
t Tuner Display
Displays tuner information.
y TUNER Switch
Switches the tuner ON/OFF.
Battery Holder
Sound Hole
Pickup Section
Output Jack
(with power switch function)
l System: System-66 l Pickup: Bar Sensor (Piezo type)
l Preamplifier Controls: Vol., 3-Band EQ (HIGH, MID, LOW),
AMF control, TUNER l Output Jack: Combination end pin/
power switch l Output Impedance: 1kΩ l Batteries: Size
AA alkaline battery (LR6) x2 l Battery Life: Approx. 180 hours
(Without tuner and using alkaline batteries. May differ due to
operating conditions.) l Tuner: Chromatic type (12 semi-tones),
A4=440Hz, Accuracy range +/– 3 cents l Accessories: Neck
adjustment hex-wrench x1, Size AA alkaline battery x2, Sound
hole cover x1
As battery power becomes low, the battery check indicator will light.
Replace the batteries as soon as possible.
q Press the release lever on the battery
case in the direction indicated by the
in the illustration in order to
unlock it, and then slide out the battery
w Remove the old batteries from the bat-
tery holder, and insert the two new size
AA alkaline batteries. Make sure that
the poles on the batteries are properly
positioned as shown in the diagram in-
side of the holder.
* Use alkaline batteries only.
* Always change both batteries at the same time. Do not mix new and old bat-
teries, or different type batteries (batteries made by different manufacturers or
batteries by the same manufacturer but of different types). Not doing so can
result in fire, etc.
* Never dismantle the batteries and never dispose batteries in fire.
* Never touch any fluid that may leak from the battery. If the fluid should come
in contact with the eyes, mouth, or skin, wash immediately with water and con-
sult a doctor.
* Always dispose batteries in accordance with local laws and regulations.
e Slide the battery holder back into the battery case and press firmly so
that the battery holder locks in place.
Feedback often occurs when controls are boosted on the electric
acoustic guitar to match the volume of other instruments when playing
in a band.
When the instrument is used under the conditions described above, the
Sound Hole Cover should be inserted into the sound hole.
With the Sound Hole Cover in place, feedback is effectively reduced.
q Press and hold the TUNER switch until the
switch the tuner power ON.
w Tune the guitar string until the note name of the desired pitch appears
in the display.
e The string is in tune when only the
Pitch is low
r Press the TUNER switch again to switch the tuner power OFF. Also, if
the note name is not shown in the display for more than 1 minute, the
power will automatically switch OFF. (
* It may take a few seconds before the tuner can detect pitches after being
switched ON.
* The note name and
regular pitch changes. Gradually change the pitch and check when tuning.
* The tuner may not be able to detect notes rich with overtones or with very
short sustain.
* Sound output is not muted when the tuner is being used.


Battery Holder
Release Lever
lamp lights in the center of the
In Tune
display goes off)
displays may have difficulty keeping up with ir-
battery x2
display lights to
Pitch is high


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