Incompatible ETU firmware
To use the full potential of your TITAN and the GCS App, consider the a USB-Link or Blu-Link. If, however, you wish to continue using the Tactical Programming Card, update it to the latest version using the GCS App. Please bear in mind that the Tactical Programming Card is no longer supported.
The Tactical Programming Card is compatible with TITAN V2 only. It is not compatible with TITAN V3, TITAN V2 NGRS, ASTER V2 or ASTER V3.