Hello;
First, in the Symbols editor, give a symbolic name to DB1 (let's say "Test_DB"). Then open DB1 and look at the name of the string you have created: it should look something like this
Address Name Type Initial Val Comment
24.0 My_String String[10] 'Test Strg' My first test
In the VAT table, access this string variable symbolically as: "Test_DB".My_String
Hope this helps,
Daniel Chartier