LTX-5 FootswitchPRESET MODE: Instantly recall your favorite tones with easy bank navigation and direct preset access. Presets available in groups of four, with each of the four presets assigned to Function buttons A, B, C, and D. Bicolor LED’s will indicate the active preset.EFFECTS MODE: Allows you to control your effect chains with dedicated switches for Stomp, Modulation, Delay, and Reverb. Bicolor LED’s will indicate the active effects.MODE SWITCH: Switch between Preset and Effects Modes and activate the onboard chromatic tuner.TUNER MODE: Briefly hold the Mode switch to activate the chromatic tuner. The LED display will indicate the closest note played and the footswitch bicolor LED’s indicate degrees of flat or sharp to the target pitch. Step on any button to exit Tuner Mode.FUNCTION LEDS: Series of 5 bicolor LEDs along the top of each footswitch just below the display screen that indicate various functions in use.