Layline data requirements
The requirements for displaying laylines are as follows:
Laylinessystem requirements
The MFD’s Activity must be set to Sailing. Boat activity is set during the MFD’s initial startup wizard. If your MFD is not currently using the sailing activity then a factory reset is required to change activity to Sailing.
The following sensor data must be available:
Wind data
Speed Through Water (STW)
GNSS data (COG, SOG, position)
Heading
Display of laylines must also be enabled from either the Chart app Laylines settings menu: or from the Laylines vessel popover menu option.