Safety instructions, Foreword, Caution – Furuno 511 User Manual
Page 2: Warning
 
Trim the sail to the wind always optimally.
Wrong sail position may cause the autopilot's
control error.
Monitor the wind direction when using the 
NAV mode.
The wind direction on the display may change 
because the heading moves according to 
route.
Try the TACK mode in good wheather to
confirm how it works.
CAUTION
SAFETY INSTRUCTIONS
WARNING
WARNING
Do not use the WIND mode under strong 
or unstable wind.
The boat may capsize.
When gybing, watch for moving boom.
The boom may strike a person, possibly 
causing serious injury.
FOREWORD
The wind mode is designed specially for use on sailboats to keep the direction 
same as receiving wind direction. This reference manual provides the operating 
for the wind mode of Navpilot-500/511/520. 
For other information, see the appropriate operator’s manual and installation 
manual. 
 
Feature
•
Auto tacking (gybing) function
•
Wind direction/speed alarm
•
Tack Timer Function