TracVision M5/M7 User’s Guide
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Chapter 4 - Troubleshooting
TV Comms is Off No Data from Antenna
The “TV comms is off no data from antenna” error message indicates a
communication failure between the ADCU and the antenna. This is
usually the result of either the antenna being disconnected from the
ADCU or the antenna not being turned on. If the antenna is not
intentionally turned off, check for loose cable connections or restart the
system. For more information on restarting the system, refer to