Techno Line WT 519 Manual De Instrucciones página 17

Initial operation
Battery Mode

Open battery compartment cover of the product.

Insert 2 x AA batteries observing polarity ("+" and " –" marks)

Close the Battery compartment cover again.
Power adapter Mode

Inserting the adapter AC output plug into the product power jack, plug
the AC input of the adapter into the mains socket of electricity.

Only use the included adapter: HX018-0500150-A2E
Note:

The icons on the LCD display will briefly light up for 3 seconds after the
clock is fully powered, and you will hear a beep tone, and detect indoor
temperature.
Reception of the Radio signal

Press and hold the button for 2 seconds to enter the RCC
EN4