Attention: When installing batteries, observe the correct polarity. The polarity marking is on the batteries and on the case.
Insert a coin into the slot on the side of the head -arrow 2-.
Turn the coin to raise the top of the key head.
Attention: Make sure that the spring for the pushbutton -arrow 1- does not jump out when the upper part of the head is lifted.
Installation
Replace the batteries or, respectively, the incandescent lamp.
Press the cover on the housing and fix it. Make sure that the push button is not pinched.
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