6. Operation
• After inserting a battery, all of the segments of the display will ash brie y.
• The thermometer/hygrometer is now ready for use.
• After calibration, the top half of the display shows the measured temperature value, while
the bottom half of the display shows the measured air humidity value.
• If the measured value is outside of the measuring range, LL.L (value lower than minimum)
or HH.H (value higher than maximum) will appear on the temperature display.
• Once the elements on the display begin to dim, replace the batteries as described in
4. Getting Started.
6.1. Celsius / Fahrenheit
• Press the °C/°F button to switch between °C and °F for the temperature display.
6.2. Maximum and minimum temperature and humidity values
• The thermometer/hygrometer automatically stores the maximum and minimum
temperature and humidity values.
• Repeatedly press the MAX/MIN button to switch between the current temperature and
humidity, minimum temperature and humidity (MIN) and maximum temperature and
humidity (MAX).
• The maximum and minimum values are automatically deleted every 24 hours.
6.3. Comfort display
The thermometer/hygrometer displays the following comfort ranges based on the ratio
between the current room temperature and room humidity:
Display
Not displayed
4
Temperature
range
–
20°C – 26°C /
68°F – 78.8°F
–
< 20°C / 68°F
> 26°C / 78.8°F
Humidity range
< 40%
40% – 70%
70%
40% – 70%
Comfort range
– Dry –
Ambient air too dry
– Comfort –
Ideal temperature
and humidity
– Moist –
Humidity too high
– No indicator –