You have downloaded and installed the METRAwin 10/A2000 software from the INTERNET.
A connection test can be carried out under Device > Communication. However, only dashes are displayed.
 Please check the following settings on the A2000:
 
-  COM 1: Address 1, 9 or 250
-  Baud rate 9600
-  Parity even
-  Protocol DIN 19244
-  Set the address table to DEFAULT before the connection test!
-  If there is still no connection, check your interface cable.
-  If a GOSSEN-METRAWATT adapter piece is used, a 1:1 interface cable must be connected.