TFA 30.5042 Mode D'emploi page 11

TFA_No. 30.5042_Anleitung_03_19
Digital thermo-hygrometer
5.4 Temperature display
• Press the °C/°F/ button in normal mode to change between °C
(Celsius) or °F (Fahrenheit) as temperature units.
5.5 Maximum and minimum values
• Press the MAX/MIN/ button.
• MAX appears on the display.
• The highest indoor temperature and humidity are displayed since the
last reset.
• Press the MAX/MIN/ button again.
• MIN appears on the display.
• The lowest indoor temperature and humidity are displayed since the
last reset.
• Press the MAX/MIN/ button once more, to go back to the current
values display.
• Press and hold the MAX/MIN/
mum values are displayed to reset the corresponding values.
5.6 Backlight
• The device has a backlight with a sensor that reacts to vibration such
as lifting or touching. The backlight turns on for a few seconds.
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button when the maximum or mini-
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Digital thermo-hygrometer
• Press and hold the °C/°F/ button in normal mode to turn the back-
light off. The light symbol disappears.
6. Care and maintenance
• Clean the device with a soft damp cloth. Do not use solvents or
scouring agents.
• Remove the battery if you do not use the device for a long period of
time.
• Keep the device in a dry place.
6.1 Battery replacement
• Change the battery when the display or the alarm tone becomes weaker.
7. Troubleshooting
Problems Solutions
➜ Ensure that the battery polarity is
No display on the device
➜ Change the battery
correct
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