Heat Index; Dew Point; History Record For The Past 24 Hours; Max/Min Weather Data - National Geographic WIFI Weather Center 7in1 Instruction Manual

41 Heat index

Press the INDEX button several times until HEAT INDEX is displayed.
Heat index
(> 130° F)
41° C – 54° C
(106° F – 129° F)
33° C – 40° C
(91° F – 105° F)
27° C – 32° C
(80° F – 90° F)
Notice:
The perceived temperature is based on the common effects of temperature and humidity. Heat index
is only calculated when room temperature is at 27° (80° F) or higher. The displayed perceived temper-
ature is calculated solely from temperature and humidity and is measured by the outdoor sensor.

42 Dew point

Press the INDEX button several times until DEW POINT is displayed.
Note:
The dew point is the temperature below which the water vapor in air at constant barometric pressure
condenses into liquid water at the same rate at which it evaporates. The condensed water is called
dew when it forms on a solid surface. The dewpoint temperature is calculated from the indoor temper-
ature and humidity measured at the main unit.

43 History record for the past 24 hours

The base station automatically records and displays data of the past 24 hours.
1. Press the HISTORY button to check history records of the last hour.
2. Press the HISTORY button several times to display the history records of the hours 2,3,4,5 ......

44 MAX/MIN Weather data

The main unit saves highest and lowest value records for indoor and outdoor temperature as well as
for humidity for 24 hours:
1. Press the MAX/MIN button repeatedly to display the stored values of the base station and the cur-
rently set remote sensor one after another.
2. Display order: Highest values > Lowest values > Current values
3. Press MAX/MIN button for approx. 3 seconds to delete all values of the current recording period.
4. NOTICE! When the batteries are changed, all values of the current recording period will also
be deleted.

45 Adjusting the display brightness

The display brightness is controlled by the dimmable backlight and can be adjusted to the ambient
lighting conditions:
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Warning
> 55° C Extreme danger
Danger
Extreme caution
Caution
Meaning
Strong risk of dehydration / sun
stroke
Heat exhaustion likely
Possibility of dehydration
Possibility of heat exhaustion