TCAD Fail message on GTX345
•1st verify that the TAS is a 9900BX or TAS6xx •The 9900B units will not work. Ever. •GTX345 turns the TAS audio volume to 0, and will not let it be adjusted while the GTX345 is powered on. This is part of the issue. If the audio is not connected (per Garmin) or the audio volume is stuck at 0 (per Garmin) ther…
