Answers to your questions.
First, press the volume button to set the desired volume level.
Then press the melody button to select 1 of the 5 melodies.
Press the connection button briefly and the LED indicator will flash slowly.
Send an “on” signal with a KlikAanKlikUit transmitter during the flashing.
As soon as the code is received, the wireless doorbell will emit 2x short beeps.
In the same way as for the first transmitter. Up to 4 transmitters can be stored in the receiver’s memory.
The memory is probably full. Up to 4 transmitters can be stored in the memory of the receiver. Follow the steps under “deregister” to solve this: