Rocktron XTUNE, Instruction Manual

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On/Off Switch - This switch determines whether the pedal is “on” or
“off” - When ON the blue LED will be lit. When OFF the LED will not
be lit.
9-Volt Battery Compartment - to access pull on small tab labeled
“OPEN”. Replace with a new 9-Volt battery. Always remember to
unplug your guitar cords from the pedal to conserve battery life. Some
battery drain may take place when unit is plugged in (even if the unit is
bypassed).
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Descriptions
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X-Tune Calibration
To match the pitch of any instrument or audio source (like an old piano or tape
player) press the “Calibration” button while simultaneously playing the note on the
instrument. (Note: you might have to first tune one string on the guitar or bass by
ear to match the actual note if the piano is out of standard tuning or if the tape
player you are playing along with runs slower or faster than normal). Once you
have one note on the guitar tuned to the source - simply play that note on the guitar -
while the note is “ringing” press the Calibration button. The tuning pitch of the
tuner will automatically be shifted to match the pitch of the audio source. Release
the button and tune the remaining strings as normal with the tuner The tuner at this
point has automatically adjusted the tuning range to match that pitch. To reset the
tuner to standard 440Hz pitch turn off the tuner and then back on again with the
footswitch (see controls - point 11).