Garmin G1000 System Maintenance Manual page 319

5. Initiate the intruder scenario and observe the following:
•
Traffic should be acquired at approximately 10 NM at 90 degree bearing and co-altitude.
Observe intruder closes on own aircraft at a rate of 0.1 NM/sec. Verify that only a single
target is displayed in the expected quadrant.
•
The intruder should transition from Other Traffic (displayed as an open diamond with
displayed above), to proximate traffic (displayed as a filled white diamond with
displayed above), to a Traffic Advisory (TA) alarm (yellow filled circle with
above.)
•
For GTS 8000 installations, the following applies:
The intruder should transition from a Traffic Advisory (displayed as a solid yellow circle
with +03 displayed above), to a Resolution Advisory (RA) alarm (red filled square with
+03 displayed above). Additionally, a Resolution Advisory is displayed on the vertical
speed tape of PFD1 and PFD2 indicating guidance to the crew (solid red bar with vertical
speeds to avoid and solid green bar with suggested vertical speeds). An audible Resolution
Advisory (i.e. "DESCEND DESCEND") is heard over cockpit speakers and headphones.
The aural TA annunciations are muted if the gear is extended (and the Radar
Altimeter indicates below 400 feet). For GTS 8000, to generate the DESCEND
resolution advisory, the WOW actuators must be in set in air position and the
Radar Altimeter must be set to greater than 2,000 ft (e.g. disconnect receive
antenna coaxial cable from the GRA 5500).
At the end of these tests, engage the Radar Altimeter circuit breaker (if installed) if disengaged at the
beginning of this section. If no other service is to be performed, continue to the return-to-service checks
in Section 8.
G1000 / GFC 700 System Maintenance Manual - 300/B300 Series King Air
190-00716-01
NOTE
+03
+03
displayed
+03
Page 7-55
Revision 4