11.Tuning LED Array - These eleven LEDs are used for displaying whether the note being tuned is sharp or flat. They are also used to indicate tuning references and tuning LED array modes.
Connecting the Tuner
The HardWire Tuner has a single 1/4" Input and two 1/4" Outputs – MUTE and THRU. The HardWire Tuner offers true hardwire bypass when not in use to preserve your guitar’s signal without any loss or buffering into your amp and other effects.
If you use the HardWire Tuner on a pedal board with other effects devices, it doesn’t really matter where in your effects chain the HardWire Tuner is placed as long as any effects placed before it are bypassed before you use the HardWire Tuner. Therefore, we recommend placing the HardWire Tuner