ETC Congo Family v6.4.0 - Manual (Page 746)

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Main Playback - Time Settings
Hold SETUP and press TIME to open the Settings.
Setting Feedback
Set times to Times are set to the step in B (default). You can
set them to the step in A as well.
Time: Use % as default Times for FCB will be set in % of the main fade
time.
Default Go time The default time is set to 5 seconds.
Default Go Back time The default time is set to 2 seconds.