Concert A Reference ( 390.0 Hz to 490.0 Hz ).Pitch Notation ( Note Name or String Number if available ).The adjustable parameters of Strobe Tuner Mode include: When the image is stabilized your instrument is in tune to 0.1 cent accuracy (1/10th of one cent) of the displayed note.Īll adjustable parameters are hidden from the screen unless set to a non-default value. The strobe bands scroll counter-clockwise ( left ) if your instrument is flat of the displayed note and clockwise ( right ) to indicate sharp of the displayed note. On the Strobe Tuner screen, the note being tuned ( Note Name ) appears in the center part of the screen. The Strobe Tuner Screen is the first screen you’ll see when turning ON the StroboPLUS HDC. Follow this link to learn about the StroboPLUS HDC Timer mode, and this link to learn the details of the General Settings Screen. For instructions and guidance on the StroboPLUS HDC Metronome, please see the StroboPLUS HDC Metronome Manual. For instructions on general operation, please see the StroboPLUS HDC Quick Start Manual. Congratulations on your purchase of the StroboPLUS HDC™.