Hold MENU, and select Settings > Aviation.

Aviation Units

Sets the units of measure used for aviation data.

Airport Search

Sets the airport options that appear when searching for airports. For example, you can set the minimum runway length and surface material, and indicate whether private airports and heliports are displayed in search results.

Ownship

Sets the aircraft type to helicopter or plane.

Altimeter Settings & Alerts

Allows you to customize the altimeter settings (Altimeter Settings).

NEXRAD Tiles

Allows you to display a single patch of NEXRAD data, or display additional NEXRAD data patches based on a direction from your current location.

NEXRAD Vibe

Sets the device to vibrate when a NEXRAD patch download completes.

Connext

Allows you to pair a Connext^® device to display aircraft information (Pairing a Connext Device). You can also receive and transmit your GPS position from a paired device.

Cross Track Alert

Sets the device to vibrate when you deviate from your course by a specific distance. You can use the Vibe Pattern option to preview the vibration patterns before you fly.

Fuel Tank Reminder

Sets an alarm to sound or vibrate after a specific number of minutes and displays a message to check the fuel tank gauges. You can use the Vibe Pattern option to preview the vibration patterns before you fly.