Install Manual

Preliminary
SKY899
Installation Manual
F-2
Rev. A
2. Make sure the aircraft's transponder is in the STBY mode and the DME is turned OFF. At the
aircraft's instruments, verify all compass/HSI flags are valid.
NOTE
After power up, it may take a couple of minutes for the altitude encoder to
return a valid altitude to the transponder and SKY899.
3. Turn SKY899 ON. Start up screen similar to one shown in figure F-1 will be displayed on the terminal
device. After approximately thirty seconds the alternate display will show the standby screen.
Welcome to the BFGoodrich Avionics Systems SKYWATCH HP
Copyright (c) 2001 BFGoodrich Avionics Systems, Inc.
All rights reserved
˝
Figure F-1. SKYWATCH Startup Screen on Terminal Device
NOTE
If the TRC has not been calibrated to the directional antenna, the display may show
a FAIL message. Calibration will be done during system setup.
4. At the terminal device, enter the Service Menu by typing Menu <Enter>. The service menu displayed
on the terminal device is identical to the one seen in Chapter 4, except each command has a prefix. To
select a menu item type the prefix <Enter> (i.e., 1 <Enter>, 2 <Enter>, x <Enter>, etc.).
NOTE
While using service menu, system will not perform display commands (e.g., OPR,
STB, MSG, or range).
5. Perform the System Setup in paragraph 3.3.1 (start at step 2 of par. 3.3.1).
6. Turn ON all avionics equipment interfaced to the SKY899.
7. From the Service Menu (see paragraph 4.4), select Information.
8. From the Information menu, select Data Monitor. The Data Monitors menu will appear.
9. Select each of the data monitors and verify the sensor information is correct (see paragraph 4.4.2.3):
a. Change the status of the landing gear, squat switch, altitude, and heading sensors.
Verify data monitors show the correct input changes (i.e., sensing of these signals).
b. If the information is not correct, the sensor has failed to communicate with the TRC. Check
operation of the sensor and connections between the TRC and sensor.
c. Select exit until you return to the Service Menu.
10. At the alternate display, perform the SKYWATCH HP self-test (see paragraph F.4).
11. At the terminal device, enter the Service Menu by typing Menu <Enter>.
12. From the Service Menu, select Ground Test (4 <Enter>).
13. From the Ground Test menu, select Perform Ground Test (1 <Enter>).
14. At the alternate display, verify ground test screen is being displayed. Change the display ranges and
verify display range patterns are correct.
15. Select the 6 nautical mile range.