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Vocal Keyer - KG4JJH
Vocal Keyer, KG4JJH Page 3 of 6 The Busy signal from U1 provides a low-going pulse during message recording and playback.
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Vocal Keyer, KG4JJH Page 3 of 6 The Busy signal from U1 provides a low-going pulse during message recording and playback.
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