Zone 2 Coach

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Connect pairs the band (live HR, tab-title, graph — no beeps). Start session begins coaching: it arms the first moment you reach Zone 2 (instantly if you're already in it), then — pitch = direction (high beep = ease up, low = push), vario-style faster & sharper the further out. A double-blip = signal lost; it auto-reconnects until you Disconnect. End session speaks a summary and, if still connected, measures your 60-second heart-rate recovery. Press S for a spoken status anytime.