TA-3000G - Tech-Aid Products Test Fixture for Garmin GNS/GTN DAI Part# TA3000G The TA-3000G test fixture is an upgraded version of the TA-3000 unit but specific to testing the Garmin GNS/GTN navigators. The required switching, Annunciation, RS232/429 Loopback provisions and other data I/O functions are provided. Panel meters are provided to monitor both voltage and current. Panel jacks are provided for a Synchro Heading Source and full breakout is provided for the CDI meters...