PIONEER DJ Serato DDJ-REV5 Instruction Manual page 48

Beat Sync
If you turn Beat Sync on, BPM and the beat position of tracks on the left and right decks
automatically synchronize.
• Beat Sync can't be used with tracks that haven't been analyzed by Serato DJ Pro.
1 Play a track that has been analyzed by Serato DJ Pro on the
Deck 1 or Deck 2.
2 Press the [SYNC] button on the deck to synchronize a track
with the track playing on another deck.
Beat Sync turns on.
• Press the [SYNC] button while pressing the [SHIFT] button to turn Beat Sync off.
Key Sync
If you turn Key Sync on, the keys of tracks on the left and right decks are automatically
matched.
• You can't adjust the key for tracks that haven't been analyzed by Serato DJ Pro.
1 Play a track that has been analyzed by Serato DJ Pro on Deck
1 or Deck 2.
2 Press the [KEY -] button while pressing the [SHIFT] button on
the deck to match the key of the track with the one playing on
the other deck.
Key Sync turns on.
The key is adjusted to the key with the least change among the following.
— Same key
— Dominant key
— Subdominant key
— Relative key
— Relative key of dominant key
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Serato DJ Pro