This is an installation of D Lines using the GAZ4 default script in Vola.
D Lines on address 1 , but set on SE S 2 to get the min sec 100th to center.
900 Mhz Digi modems set on 2400 baud
Battery powered with splitter to power modem and D line.
Prolific USB to serial adapter into PC running Windows 7. Com 10
Vola using default GAZ 4 script, address 1