Help with replacing a light switch
So I have a light switch that has two switches on it and the top one doesnt work very well anymore.
I purchased a new switch but the connections in the back are slightly different.
In the original switch the top one controls the main light in the room and the lower switch controls a light socket in the room.
When I open the socket and look at the old one I see 2 black wires and one blue. One black is connected to a LINE + the other is connected to the upper left terminal of the switch (no label).
The blue is connected to the other unlabeled terminal below the 2nd black.
My new switch also has two switches. The terminals are labeled Common, Common, A1, and B1.
Any suggestions on how to connect these wires to my new switch?