TMX_W253_WS4_EN.qxd
TEMPERATURE AND FORECAST
In TIME, ALTI, BARO, CHRONO, and TIMER Modes, your WS4
includes information about temperature and forecast.
The watch can predict the weather for the upcoming 4 – 6 hour period
based on the air pressure trends for the previous twelve hours. Generally, if
the air pressure is rising, the weather situation is considered to be improv-
ing and is indicated by the sun icon. If the air pressure trend is falling, then
the weather situation is worsening and is indicated by showing the clouds
and/or precipitation icons.
When worn on your wrist, the temperature reading is affected by body heat
and may differ from the actual temperature by 10 degrees or more. Long
periods of exposure to direct sunlight may also affect accuracy. The watch
can also measure the temperature in water, but make sure you don't press
any watch buttons under water or this will compromise the watch's water-
resistance.
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11/24/08
12:15 PM
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watch
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NOTE: For more accurate temperature readings, try wearing the
watch outside your jacket or clipping it to your belt or pack
(ideally in an area not constantly exposed to the sun). You can
also remove the watch from your wrist and put in shade for 15
to 30 minutes.
For information on calibrating your weather icon see Calibration Mode on
page 38.
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