– 30 –
– 31 –
Digital alarm clock with LED digits
• The start time flashes. Press the
UP
or
DOWN
button to adjust the hours.
• Confirm the setting with the
MODE
button and press the
UP
or
DOWN
button to set minutes.
• Confirm the setting with the
MODE
button and set the end time in the same way.
• Confirm the setting with the
MODE
button.
• If the automatically backlight is activated (ON), the weak backlight turns on automatically for the set time.
9. Display light
• You can select between two levels of brightness with the
UP
button.
•
Attention:
Continuous illumination of the display only works with USB-/mains connection.
•
Battery operation:
Press any button. The backlight turns on for 10 seconds.
10. Care and maintenance
• Clean the device with a soft damp cloth. Do not use solvents or scouring agents.
Digital alarm clock with LED digits
• Remove the batteries if the device will not be used for an extended period of time.
• Store the device in a dry place.
10.1 Battery replacement
• Change the batteries 3 x 1,5 V AAA when the illumination without USB-/mains connection gets weak.
11. Troubleshooting
Problem
Solution
No display
USB-/mains connection:
➜
Connect the device with the USB cable to a suitable power source
➜
Check the connection
Battery operation:
➜
Ensure the batteries' polarities are correct
TFA_No. 60.2025_Anl_11_21 23.11.2021 15:11 Uhr Seite 16