Simrad IS20 Manual page 36

Wind alarm
The wind alarm can be set for high and low wind speeds.
The wind shift alarm will monitor the wind angle. The
reference angle is set when the alarm is turned on, and
reset to present wind angle when an alarm is
acknowledged.
36 | Changing the default settings
Alarm
Hi speed Off - 60.0 kn
Lo speed Off - 60.0 kn
Shift 5° - 90°M
Change per
Range
1 – 50:
50 – 60:
1 – 50:
50 – 60:
Default
step value
1 kn Off
5 kn
1 kn Off
5 kn
1°M Off