ADE CK 1705 Mode D'emploi page 43

As soon as the batteries are inserted, the alarm
clock switches to reception, see next chapter.
Notes on changing the battery:
‚ Only use the battery type specified in the
"Technical Data".
‚ Always replace all batteries.
‚ Dispose of old batteries in an environmentally
friendly manner, see "Disposal".
Receiving the time signal
When the batteries are inserted, all displays
are shown for a brief moment, the display is
illuminated and a beep is heard.
The measured room temperature is displayed
shortly afterwards.
The alarm clock will then switch to reception,
with the number of radio waves indicating the
quality of the reception:
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