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Learn how to use the True Optimal Lap feature on your Garmin Catalyst to find the best line on the track.

For more help, please visit http://support.garmin.com

WARNING: This device is intended only for recreational use in a circuit environment. Never use this device on public roadways. Failure to follow this warning may result in an accident causing property damage, serious personal injury, or death. You are responsible for using this device in a safe and prudent manner.

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