Connection of second microphone

Hello,

I was asked to add a second mic to our Twin Astir (it has mic only on
the front seat), can someone give an idea on how should I connect it?
can I just connect it in parallel to the existing one?

Thanx,

Yuval

Take a look at the schematic diagram for the radio. Some have two mic
inputs, while others will suggest connecting the mics in parallel.

-Tom