The front screws are what you take out with the supplied Allen wrench.
----- Original Message -----
From: "DAN REID" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, June 04, 2013 6:38 PM
Subject: signalink
> DXE Engineering informs me that I need to remove four screws to install =
> the plug and play chip. Are these screws in the front or back of the =
> unit?
> Thanks,
> dan (kb6unc)