Control Section
Output Jack (with power switch function)/
Battery Holder
Pickup Section
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.
Note that this manual covers only the electronic parts of this product. For information on the
other non-electronic parts, refer to the separate Acoustic Guitar Owner’s Manual.
Nomenclature / Controls
The built-in preamplifier is automatically turned ON when a guitar
cable is connected to the output jack. Always set the volume to its
minimum level when connecting or disconnecting the cable.
q
VOL Control Controls the volume.
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.
* The battery check indicator may light momentarily when the TUNER switch is
pressed. This is not a sign however, that the battery power is low.
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 radjusts
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 position.
t
Tuner Display Displays tuner information.
y
TUNER Switch Switches the tuner ON/OFF.
u
Sound Hole Cover (included)
Inserting the sound hole cover into the sound hole effectively reduces feedback.
Specifications
●System: System72 ●Pickup: Bar Sensor (Piezo type) ●Preamplifier Controls:
VOL, 3-Band EQ (HIGH, MID, LOW), AMF control, TUNER ●Output Jack: Combination end pin/
power switch ●Output Impedance: 1kΩ ●Batteries: Size AA alkaline battery (LR6) x2
●Battery Life: Approx. 180 hours (When tuner is not used and when alkaline batteries are
installed) * May differ depending on operating conditions. ●Tuner: Chromatic type
(12 semi-tones), Accuracy range +/– 3 cents, A4=440Hz ●Accessories: Neck adjustment
hex-wrench x1, Sound hole cover x1
Electric Acoustic Guitar
SYSTEM72 Owner’s Manual
Using The Tuner
q
Press and hold the TUNER switch until the display lights to switch the tuner
power ON.
wTune the guitar string until the note name of the desired pitch appears in the display.
eThe string is in tune when only the lamp lights in the center of the display.
rPress 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.
(display goes off)
* It may take a few seconds before the tuner can detect pitches after being switched ON.
* The note name and
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.
Pitch is low JJJIn Tune IIIPitch is high
PRECAUTIONS
PLEASE READ CAREFULLY BEFORE PROCEEDING
Please keep this manual in a safe and handy place for future reference.
WARNING
Always follow the basic precautions listed below to avoid the possibility of serious injury
or even death from electrical shock, short-circuiting, damages, fire or other hazards. These
precautions include, but are not limited to, the following:
Do not open
s¬ 4HIS¬INSTRUMENT¬CONTAINS¬NO¬USERSERVICEABLE¬PARTS¬$O¬NOT¬OPEN¬THE¬INSTRUMENT¬OR¬ATTEMPT¬TO¬
DISASSEMBLE¬OR¬MODIFY¬THE¬INTERNAL¬COMPONENTS¬IN¬ANY¬WAY¬)F¬IT¬SHOULD¬APPEAR¬TO¬BE¬MALFUNCTIONING¬
DISCONTINUE¬USE¬IMMEDIATELY¬AND¬HAVE¬IT¬INSPECTED¬BY¬QUALIlED¬9AMAHA¬SERVICE¬PERSONNEL
Water warning
s¬
$O¬NOT¬EXPOSE¬THE¬INSTRUMENT¬TO¬RAIN¬USE¬IT¬NEAR¬WATER¬OR¬IN¬DAMP¬OR¬WET¬CONDITIONS¬PLACE¬IT¬ON¬ANY¬
CONTAINERS¬SUCH¬AS¬VASES¬BOTTLES¬OR¬GLASSES¬CONTAINING¬LIQUIDS¬THAT¬MIGHT¬SPILL¬INTO¬ANY¬OPENINGS¬
)F¬ANY¬LIQUID¬SUCH¬AS¬WATER¬SEEPS¬INTO¬THE¬INSTRUMENT¬TURN¬OFF¬THE¬POWER¬IMMEDIATELY¬AND¬HAVE¬THE¬
INSTRUMENT¬INSPECTED¬BY¬QUALIlED¬9AMAHA¬SERVICE¬PERSONNEL
If you notice any abnormality
s¬
7HEN¬ONE¬OF¬THE¬FOLLOWING¬PROBLEMS¬OCCUR¬IMMEDIATELY¬TURN¬OFF¬THE¬POWER¬AND¬REMOVE¬ALL¬BATTERIES¬
FROM¬THE¬INSTRUMENT¬THEN¬HAVE¬THE¬INSTRUMENT¬INSPECTED¬BY¬9AMAHA¬SERVICE¬PERSONNEL
¬ )T¬EMITS¬UNUSUAL¬SMELLS¬OR¬SMOKE
¬ 3OME¬OBJECT¬HAS¬BEEN¬DROPPED¬INTO¬THE¬INSTRUMENT
¬ 4HERE¬IS¬A¬SUDDEN¬LOSS¬OF¬SOUND¬DURING¬USE¬OF¬THE¬INSTRUMENT
CAUTION
Always follow the basic precautions listed below to avoid the possibility of physical injury to
you or others, or damage to the instrument or other property. These precautions include, but
are not limited to, the following:
Connection
s¬
"EFORE¬CONNECTING¬THE¬INSTRUMENT¬TO¬OTHER¬ELECTRONIC¬COMPONENTS¬TURN¬OFF¬THE¬POWER¬FOR¬ALL¬COMPONENTS¬
"EFORE¬TURNING¬THE¬POWER¬ON¬OR¬OFF¬FOR¬ALL¬COMPONENTS¬SET¬ALL¬VOLUME¬LEVELS¬TO¬MINIMUM
s¬ "E¬SURE¬TO¬SET¬THE¬VOLUMES¬OF¬ALL¬COMPONENTS¬AT¬THEIR¬MINIMUM¬LEVELS¬AND¬GRADUALLY¬RAISE¬THE¬
VOLUME¬CONTROLS¬WHILE¬PLAYING¬THE¬INSTRUMENT¬TO¬SET¬THE¬DESIRED¬LISTENING¬LEVEL
Location
s¬ $O¬NOT¬PLACE¬THE¬INSTRUMENT¬IN¬AN¬UNSTABLE¬POSITION¬WHERE¬IT¬MIGHT¬ACCIDENTALLY¬FALL¬OVER
Handling caution
s¬ $O¬NOT¬REST¬YOUR¬WEIGHT¬ON¬OR¬PLACE¬HEAVY¬OBJECTS¬ON¬THE¬INSTRUMENT¬AND¬DO¬NOT¬USE¬
EXCESSIVE¬FORCE¬ON¬THE¬BUTTONS¬SWITCHES¬OR¬CONNECTORS
s¬ $O¬NOT¬USE¬THE¬INSTRUMENTDEVICE¬OR¬HEADPHONES¬FOR¬A¬LONG¬PERIOD¬OF¬TIME¬AT¬A¬HIGH¬OR¬
UNCOMFORTABLE¬VOLUME¬LEVEL¬SINCE¬THIS¬CAN¬CAUSE¬PERMANENT¬HEARING¬LOSS¬)F¬YOU¬EXPERIENCE¬
ANY¬HEARING¬LOSS¬OR¬RINGING¬IN¬THE¬EARS¬CONSULT¬A¬PHYSICIAN
* Yamaha cannot be held responsible for damage caused by improper use or modifications
to the instrument, or data that is lost or destroyed.
* Information on the battery can be found in the section at the end of this sheet.
* Please read the instruction manual for the external audio device such as a guitar
amplifier, etc., prior to use.
EN
Replacing the Batteries
qSlide the tab on the endpin section in the direction indicated by the arrow in the diagram
below to release the lock, then pull out the battery holder.
wInsert two AA batteries making sure that the battery poles are properly aligned with the
polarity markings on the battery holder.
eSlide the battery holder back into the endpin section until it locks.
qRelease the lock
AA battery
x2
Battery Holder Tab
System72_ZW19200_R0_0706.indd 2 2016/9/2 15:04:10
