Page 3-18
GTS 8XX/GPA 65 Installation Manual
Revision 4TP
190-00587-00
14.
Reengage the same intruder scenario as above.
15.
Verify a target is annunciated on the GTS 8XX TAS/TCAS display at the correct bearing of
approximately 90 degree azimuth at 2 NM and co-altitude.
16.
Toggle intruder traffic to standby or off.
17.
Reposition ramp test set and directional antenna to an aft position of 180 degrees.
18.
Reengage the same intruder scenario as above.
19.
Verify a target is annunciated on the GTS 8XX TAS/TCAS display at the correct bearing of
approximately 180 degree azimuth at 2 NM and co-altitude.
20.
Toggle intruder traffic to standby or off.
21.
Reposition ramp test set and directional antenna to a port position of 270 degrees.
22.
Reengage the same intruder scenario as above.
23.
Verify a target is annunciated on the GTS 8XX TAS/TCAS display at the correct bearing of
approximately 270 degree azimuth at 2 NM and co-altitude.
24.
Toggle intruder traffic to standby or off.
25.
If the bearing is not as anticipated, recheck the antenna coaxial connections and verify the
correct antenna type is selected.
NOTE
If multiple targets are displayed during the antenna tests, recheck the antenna coaxial
connections.
