29/05/2020
18
User’s Manual for the T-Touch Connect Solar
-6’: Sharp fall in pressure, rapid deterioration
-4’: Moderate fall in pressure, deterioration likely
-2’: Slight fall in pressure, slight deterioration likely
12h: No appreciable change in the weather
+2’: Slight rise in pressure, slight improvement likely
+4’: Moderate rise in pressure, improvement likely
+6’: Sharp rise in pressure, rapid improvement
The T-Touch Connect Solar programme takes account of the variation in atmospheric pressure over
the last 6 hours in order to calculate the forecast to be displayed. In addition, the variation in
pressure caused by a rapid change in altitude is detected by the watch and compensated for
automatically. It therefore has only a minimal influence on the barometric trend. The T-Touch
Connect Solar’s digital display shows the absolute and relative value of atmospheric pressure in
hectopascals [hPa]. Absolute atmospheric pressure is the actual pressure at the time and place the
measurement is taken, and cannot be modified. Relative pressure is a value as at sea level, based on
the local absolute atmospheric pressure. Barometers and weather maps show relative pressure
values. The relative pressure value depends on the climatic zone set and can be reset within the
watch. Calibration of relative pressure is related to altitude.
Measurement range:
absolute pressure: 250 hPa to 1200 hPa
relative pressure: 950 hPa to 1100 hPa
Accuracy:
absolute pressure: ± 3 hPa
Relative pressure:
changes with the altimeter
Resolution:
1 hPa
Unit conversion:
1 hectopascal [hPa] = 1 millibar [mb]
Pressing and turning will give you access to the following
functions:
o
Calibrate pressure
Adjusting the relative pressure causes the displayed altitude to change. The relative pressure is
intentionally restricted to between 950 hPa and 1,100 hPa.
o
Absolute pressure
Absolute atmospheric pressure is the actual pressure at the time and place the measurement is
taken, and cannot be modified.
To obtain the most accurate barometer readings, you have the option to adjust the hemisphere and
climatic zone based on your geographical location. In the “T-Touch”/”Setting”/”Sens.&Motors”/
”Altimeter” functions, select your climatic zone either manually or automatically, using the simplified
Koeppen climate classification (see illustration below). If the watch is not set (“Not Set”), the
