106
Only clean the display with a so coon cloth. If required, use a coon cloth
with small amounts of non-alkaline, diluted, water-based or alcohol-based
soap solution.
Gently clean the surface using the coon cloth.
13 Troubleshooting
If the device does not operate as intended, check the following table for information.
Symptom Possible cause/remedy
The device cannot be switched on. The device is not being supplied with power.
Connect the power supply unit correctly to the
socket and to the device.
No sound can be heard. Increase the volume.
The display does not switch on. Disconnect the device from the power supply
and then reconnect it.
Poor reception via DAB+/FM. Fully extend the antenna. Change the position
of the antenna or the TECHNIRADIO 40.
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