11
4. The WIND SPEED LCD will now show the maximum wind gust.
5. Press and release the WIND/RAIN/SNZ button.
6. The WIND SPEED LCD will now show the minimum wind chill.
7. Press and release the WIND/RAIN/SNZ button.
8. The WIND SPEED LCD will now show the maximum wind chill.
To reset the maximum and minimum wind/wind chill values:
1. Select the value you wish to reset by pressing and releasing the WIND/SNZ button.
2. Press and hold the SET button for 5 seconds.
3. The record will now be reset and show either 0.0 for max wind speed and wind gust or the current
wind chill in the OUTDOOR LCD.
To return to the normal viewing mode:
1. Press and release the ALM/+ button or
2. After 15 seconds the display will automatically return to the normal viewing mode.
VIII. BEAUFORT SCALE WIND SPEED
The Beaufort Scale wind meter is located at the top of the WIND
SPEED LCD. It corresponds to the average wind speed and not the
gust. On the following pages is a list of the Beaufort Scale and the
wind speeds it corresponds to.
Wind Speed
fort Number
or Force
mph
km/hr
knots
Description
Effects Land / Sea
0
<1 <1
<1
Calm
Still, calm air, smoke
will rise vertically.
Water is mirror-like.
1
1-3
mph
1-5
kph
1-3
knots
Light Air
Rising smoke drifts,
wind vane is inactive.
Small ripples appear
on water surface.
2
4-7
mph
6-11
kph
4-6
knots
Light Breeze
Leaves rustle, can
feel wind on your
face, wind vanes
begin to move.
Small wavelets
develop, crests are
glassy.
3
8-12
mph
12-19
kph
7-10
knots
Gentle Breeze
Leaves and small
twigs move, light
weight flags extend.
Large wavelets,
crests start to break,
some whitecaps.
4
13-18
mph
20-28
kph
11-16
knots
Moderate Breeze
Small branches
move, raises dust,
leaves and paper.
Small waves
develop, becoming
longer, whitecaps.
5
19-24
mph
29-38
kph
17-21
knots
Fresh Breeze
Small trees sway.
White crested
wavelets (whitecaps)
form, some spray.
6
25-31
mph
39-49
kph
22-27
knots
Strong Breeze
Large tree branches
move, telephone
wires begin to
"whistle", umbrellas
are difficult to keep
under control.
Larger waves form,
whitecaps prevalent,
