The unit has from the beginning a quirk. In undefined intervals, the clock stops, then you can operate the device either with the remote control or with the on / off switch. The only option is then to pull the power plug. For the specified alarm the radio is therefore useless, unless you'd like to sleep properly ;-). After a complaint at TechniSat, my unit was sent back. On the enclosed invoice (0Euro) the Note was: carried out verification - article shows no mistake.
Then I connected it again. It then has to work about 18 hours before it has hung again. Open end ...