Bresser National Geographic 9080500, Instruction Manual

Page: 42 / 48

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Select wind speed unit
1. Press the WIND button for approx. 3 seconds to enter the setting mode.
2. Press the UP or DOWN button to change the unit between mph (miles per hour), m/s (miles per
second), km/h (kilometer per hour) or knots.
3. Press the WIND button to save the settings and exit the setting mode.
31 Beaufort scale
The Beaufort scale is an international scale of wind velocities from 0 (calm) to 12 (Hurricane force).
Beaufort number Description Speed
0 calm < 1 km/h | < 1 mph
< 1 knots | < 0.3 m/s
1 light air 1.1-5.5 km/h | 1-3 mph
1-3 knots | 0.3-1.5 m/s
2 light breeze 5.6-11 km/h | 4-7 mph
1-3 knots | 0.3-1.5 m/s
3 gentle breeze 12-19 km/h | 8-12 mph
7-10 knots | 3.5-5.4 m/s
4 moderate breeze 20-28 km/h | 13-17 mph
11-16 knots | 5.5-7.9 m/s
5 fresh breeze 29-38 km/h | 18-24 mph
17-21 knots | 8.0-10.7 m/s
6 strong gale 39-49 km/h | 25-30 mph
22-27 knots | 10.8-13.8 m/s
7 high wind 50-61 km/h | 31-38 mph
28-33 knots | 13.9-17.1 m/s
8 gale 62-74 km/h | 39-46 mph
34-40 knots | 17.2-20.7 m/s
9 strong gale 75-88 km/h | 47-54 mph
41-47 knots | 20.8-24.4 m/s
10 storm 89-102 km/h | 55-63 mph
48-55 knots | 24.5-28.4 m/s
11 violent storm 103-117 km/h | 64-73 mph
56-63 knots | 28.5-32.6 m/s
12 hurricane force > 118 | > 74 mph
> 64 knots | 32.7 m/s
32 Temperature display
Move the °C/°F switch to toggle between °C and °F temperature display.
When temperatures of -40° C or below are reached, the information "LO" is output for the respective
range, when temperatures of over 70° C or above are reached, the information "HI" is output. The
measurable temperature range has been exceeded or fallen below.
When returning to a measurable temperature range, the appropriate temperature is displayed again.