This is a user manual for Samson CT20 clip-on tuner
The Samson CT20 is a clip-on tuner designed for guitars, basses, and other stringed, woodwind, and brass instruments. It features an integral clip with dual 360-degree ball-joints for maximum visibility and includes both a built-in microphone for acoustic instruments and a piezo sensor for use in noisy environments.
The manual details how to install the CR2032 battery, attach the tuner securely without damaging instrument finishes, and operate the controls. Users can select between Chromatic, Guitar, or Bass modes and adjust the display from Needle mode to Fuel Gauge mode. The device supports calibration adjustments between 410-490 Hz and includes a flat transpose function.
| Input Method | Microphone, Piezo Sensor |
|---|---|
| Tuning Range | A2 (27.50 Hz) - C8 (4186 Hz) |
| Calibration Range | 410 - 490 Hz (1 Hz Steps) |
| Display Type | 2.2" color LCD |
| Power Source | 3V (CR2032 lithium battery) |
| Battery Life (Tuning Mode) | >20 hours |
| Dimensions | 3.1" x 2.6"x 1.45" |
The tuner uses one CR2032, 3-volt, lithium battery.
Press and hold the MODE button for three seconds to switch between the two modes.
Yes, the reference pitch can be adjusted to any frequency between 410-490 Hz using the calibration buttons.
Yes, it can transpose 1-5 semi-tones below concert pitch using the FLAT button.