Boss TU-15 Owner’s Manual

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Year 2002

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Boss TU-15 Specification

The Boss TU-15 is a precision chromatic tuner designed for musicians seeking accurate tuning capabilities across a wide range of instruments. This tuner features a highly visible LCD needle display that provides precise tuning with a resolution of ±1 cent, ensuring musicians can achieve impeccable pitch accuracy. The TU-15 covers a broad tuning range from C1 (32.70 Hz) to C8 (4186 Hz), making it suitable for both standard and extended-range instruments.

One of the standout features of the TU-15 is its inclusion of multiple tuning modes, including Chromatic, Guitar, Bass, and Flat Tuning, which accommodates various user preferences and instrument types. The Flat Tuning mode allows for up to five semitones of flat tuning, ideal for guitarists who frequently use alternate tunings. The tuner also incorporates a built-in reference tone function, enabling musicians to hear the correct pitch for seamless tuning by ear.

The Boss TU-15 is powered by a 9V battery, providing portability and convenience for on-the-go musicians. Its compact and robust design ensures durability, making it a reliable choice for both stage and studio settings. The unit's calibration function allows the reference pitch to be adjusted between 438 Hz and 445 Hz, catering to different tuning standards and ensemble requirements. With its user-friendly interface and versatile functionality, the Boss TU-15 remains a popular choice for musicians seeking a dependable and precise tuning solution.

Boss TU-15 F.A.Q.

How do I calibrate the Boss TU-15 tuner for accurate tuning?

To calibrate the Boss TU-15, ensure it's in calibration mode and use the calibration buttons to adjust the reference pitch from 438 Hz to 445 Hz. Default is 440 Hz.

What should I do if my Boss TU-15 tuner is not turning on?

First, check the battery and replace it if necessary. Ensure that the battery compartment is secure and free from corrosion.

Can the Boss TU-15 be used for tuning non-guitar instruments?

Yes, the Boss TU-15 can be used to tune a variety of stringed instruments by using the chromatic mode.

How can I use the flat tuning feature on the Boss TU-15?

Press the flat button to select the number of semitones you wish to lower the pitch (up to 5 semitones). The display will show the flat symbol accordingly.

What is the best way to maintain the Boss TU-15 tuner?

Keep the tuner clean and dry. Avoid exposing it to extreme temperatures and humidity. Regularly check and replace the battery when needed.

Why is my Boss TU-15 not detecting the string notes correctly?

Ensure that the tuner is set to the correct mode (guitar, bass, or chromatic). Check the connections and reduce background noise during tuning.

How do I switch between different tuning modes on the Boss TU-15?

Use the mode button to cycle through guitar, bass, and chromatic modes. The display will indicate the current mode.

What does the reference pitch function do on the Boss TU-15?

The reference pitch function allows you to adjust the standard tuning pitch from 438 Hz to 445 Hz to accommodate different tuning preferences.

How can I extend the battery life of my Boss TU-15?

Turn off the tuner when not in use and use the power-saving auto-off feature. Use high-quality batteries for longer life.

What should I do if the display on my Boss TU-15 is flickering or dim?

Replace the battery as it may be low. If the issue persists, check for any potential damage to the display or internal components.