When setting, one should press the "Wave / hr" and then go out of the house. Coming after two hours, then the network has been found also in reinforced concrete and everything is working fine.
Do not be surprised: every night is carried out in the morning that described in Bedienuungsanleitung behavior between midnight and 5 clock. Recognizable by the verchiedenen brightness values of the display. From 5 clock then everything as it knows. I have an analog clock that works without these bitches.
A point deduction that the construction is rigid and you can not tilt the display