Beaufort number
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38 Wind chill factor
Press the INDEX button several times until WIND CHILL is displayed.
Note:
The wind chill factor is based on the common effects of temperature and wind speed.The displayed
wind chill is calculated solely from temperature and wind speed and is measured by the outdoor
sensor.
39 Ice pre-alert
1. When the outdoor temperature hits 3° C (37 ° F), the ice pre-alert symbol
display, flashing continuously.
2. The ice pre-alert symbol
40 Feels like temperature
Press the INDEX button repeatedly until FEELS LIKE appears on the display.
Note:
Description
calm
light air
light breeze
gentle breeze
moderate breeze
fresh breeze
strong gale
high wind
gale
strong gale
storm
violent storm
hurricane force
will disappear as soon as the temperature rises above 6° C.
Speed
< 1 km/h | < 1 mph
< 1 knots | < 0.3 m/s
1.1-5.5 km/h | 1-3 mph
1-3 knots | 0.3-1.5 m/s
5.6-11 km/h | 4-7 mph
1-3 knots | 0.3-1.5 m/s
12-19 km/h | 8-12 mph
7-10 knots | 3.5-5.4 m/s
20-28 km/h | 13-17 mph
11-16 knots | 5.5-7.9 m/s
29-38 km/h | 18-24 mph
17-21 knots | 8.0-10.7 m/s
39-49 km/h | 25-30 mph
22-27 knots | 10.8-13.8 m/s
50-61 km/h | 31-38 mph
28-33 knots | 13.9-17.1 m/s
62-74 km/h | 39-46 mph
34-40 knots | 17.2-20.7 m/s
75-88 km/h | 47-54 mph
41-47 knots | 20.8-24.4 m/s
89-102 km/h | 55-63 mph
48-55 knots | 24.5-28.4 m/s
103-117 km/h | 64-73 mph
56-63 knots | 28.5-32.6 m/s
> 118 | > 74 mph
> 64 knots | 32.7 m/s
will appear on the
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