Caution: Please read this manual carefully before operating
Damage caused by misuse is not covered by the warranty
Thank you for choosing the Chord PT-12 pedal tuner for easy and accurate of your instrument. tuning
Please read below for an explanation of the controls and to get the best results from your new effect.
The PT- is supplied with a 9V battery, which needs to be connected to the battery clip inside the 12
underside battery compartment. Carefully remove the plastic cover by squeezing its clip and levering
outwards. Clip back into place once the battery is fitted. Alternatively, the PT-12 can be powered from
an external 9Vdc (centre- gative) power adaptor connected to the DC power in jack. Adj ent to this ne ac
is a DC power out jack for daisy-chaining DC power on other pedals. to
Controls and connections are described below.
The PT-12 pedal tuner is permanently set to chromatic tuning mode to detect any note between A0
and C8 (27.5 - 4186Hz) Press the foot switch to switch the tuner off or on. The tuner is only active .
when the display is lit, showing the detected note and a virtual needle. Th output is muted when the e
tuner is active. When a note is in tune, the virtual needle with be in the centre of the screen and the
backlight will change colour to green. Frequency A4 reference should normally 440Hzfor the note be ,
but this can be calibrated between 430Hz and 450Hz using the rear push button if tuning to other
instruments or tracks that are slightly out of standard tuning. Otherwise, ensure this is set to 440Hz.
Unplug the guitar input jack to preserve the battery when not in use. If the pedal is not being used for
long periods, it is advised to remove the 9V battery. Optional external power can be from a 9Vdc
adaptor, centre- gative polarity w a rating of 100mA or higher recommended. ne ith
A4 frequency calibration button
Disposal: that the product is classed as Electrical The “Crossed Wheelie Bin” symbol on the product means
or Electronic equipment and should not be disposed with other household or commercial waste
at the end of its useful life. The goods must be disposed of according to your local council guidelines.
Errors and omissions excepted. Copyright© 2023. AVSL Group Ltd.
Unit 2-4 Bridgewater Park, Taylor Rd. Manchester. M41 7JQ
AVSL (EUROPE) Ltd, Unit 3D North Point House, North Point Business Par New Mallow Road, Cork, Ireland k,
