Rev E TR-220 90 008 088-1
2-31
and stored in the Test Set Memory. By toggling the UP/FWD-DOWN/REV switch,
the operator can select the appropriate intruder scenario.
4. After selecting a suitable scenario, the operator needs only to turn the UUT
FUNCTION switch to the TCAS position to begin an intruder simulation. Proceed
to paragraph 2.15.5 to continue with TCAS Tests. If the operator desires different
parameters, continue with Step 5.
Preprogrammed (default) TCAS scenarios
Table 2-3
5. If the operator desires different parameters, Leave the UUT FUNCTION switch in
the SETUP position and toggle the AUTO switch. The Start Alt menu will be
displayed.
6. Toggle the UP/FWD-DOWN/REV switch to change the intruder’s start altitude.
The Altitude can be changed from -1000 ft. to +99,900 ft. The altitude is
adjustable in 25 ft. increments between -1000 ft. and 50,175 ft. and in 100 ft,
increments above 52,000 ft. Hold the toggle switch either UP or Down for more
than 5 seconds and the adjust speed will increase.
Scenario
#
TCAS
Start
Distance
Start
Altitude
(Intruder)
Vertical Speed Velocity
1 5 nmi. 2500 ft 0 fpm. 250 Kts.
2 5 nmi. 2500 ft 0 fpm. 250 Kts.
3 5 nmi. 2500 ft 0 fpm. 250 Kts.
4 5 nmi. 2500 ft 0 fpm. 250 Kts.
5 5 nmi. 2500 ft 0 fpm. 250 Kts.
6 5 nmi. 2500 ft 0 fpm. 250 Kts.
7 5 nmi. 2500 ft 0 fpm. 250 Kts.
8 5 nmi. 2500 ft 0 fpm. 250 Kts.
9 5 nmi. 2500 ft 0 fpm. 250 Kts.
10 5 nmi. 2500 ft 0 fpm. 250 Kts.
TCAS Scenario: 1
Chg:Up/Dn Cont: AUTO
Start Alt: 2500’
Chg:Up/Dn Cont: AUTO
Start Alt: 10000’
Chg:Up/Dn Cont: AUTO
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