Battery Replacement; Troubleshooting - TFA Dostmann 30.5038 Instrucciones De Uso

TFA_No. 30.5038_Anleit_03_17
Digital thermo-hygrometer
• When the alarm rings, press the SNOOZE button and the snooze function will be activated.
• The alarm will be interrupted for 8 minutes.
7.3 Activate and deactivate the alarm time and the hourly chime
• To enter the alarm mode, press the MODE button in normal mode.
• The adjusted alarm time appears on the display.
• Press the UP button once to activate the alarm. On the display appears the alarm sym-
bol .
• Press the UP button twice to activate the hourly chime. On the display appears the sym-
bol for the hourly chime .
• Press the UP button three times to activate the alarm and the hourly chime. On the dis-
play appear both symbols and
• Press the UP button four times to deactivate both alarms. Both symbols disappear.
• Press the MODE button to return to normal mode.
7.4 Display of date
• Press the UP button in normal mode to show the date.
7.5 Temperature display
• Press the °C/°F button to change between °C (Celsius) or °F (Fahrenheit) as tempera-
ture unit.
7.5 Maximum and minimum values
• Press the MEM button.
• MAX appears on the display.
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Digital thermo-hygrometer
• The highest indoor temperature and humidity are displayed since the last reset.
• Press the MEM button again.
• MIN appears on the display.
• The lowest indoor temperature and humidity are displayed since the last reset.
• To go back to the present temperature and humidity display, press the MEM button once
more.
• The instrument will automatically quit the MAX/MIN mode if no button is pressed.
• Press and hold the MEM button in the respective mode to clear the recorded maximum
or minimum values.
8. Care and maintenance
• Clean your instrument with a soft damp cloth. Do not use solvents or scouring agents.
• Remove the battery if you do not use the product for a long period of time.
• Keep the instrument in a dry place.

8.1 Battery replacement

• Replace the battery when the display becomes weak or the alarm tone declines.
• Open the battery compartment and insert a new battery 1,5 V AA, ensure that the bat-
tery polaritiy is correct.
• Close the battery compartment again.

9. Troubleshooting

Problems
No display on the device
Solution
➜ Ensure that the battery polarity is correct
➜ Change the battery
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