Geemarc AMPLICALL 101 Bedienungsanleitung Seite 6

CODE CONFLICT
If the bell press coding is the same as another transmitter you must
change the code. When you have changed the code must re-pair
the bell press.
(A) Open the battery cover.
(B) Take out the battery.
(C) Press and hold the test button, insert the battery whilst holding
the button for 5 seconds. The LED will flash 5 times when a
new code is generated.
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