Install Manual

Preliminary
SKY899
Installation Manual
3-4
Rev. A
b. Verify receiver channels match desired wiring interface. If an interconnect error is discovered,
correct wiring and then re-select autodetect. (To manually change individual receiver
channels, highlight and select that channel. See see paragraph 4.4.1.4)
NOTES
1. It is possible for multiple data inputs (barometric altimeter, radio
altimeter, magnetic heading and GPS navigation) from one source to be
received on one channel (e.g., ARINC-429 superbus). Multiple data
inputs will be indicated by the word Multi in the Arinc 429 Receiver
Menu. (See see paragraph 4.4.1.4)
2. The data rate for RX channels 1 and 2 must be set to the same speed (12.5
or 100 kHz). The data rate for RX channels 3 and 4 must be set to the
same speed (12.5 or 100 kHz). The data rate for channel 5 is independent
of the other receivers. Channel 5 can be set to 12.5 or 100 kHz.
c. Select exit until you return to Setup Menu.
6. From the Setup menu, select Avionics Equipment:
a. The Equipment menu will appear, select Browse All Avionics.
The system will step you through each equipment sub-menu. As you select the equipment the
next equipment menu in the loop will appear. Once you have stepped through all 8 sub-
menus, the equipment menu will reappear.
b. Verify the equipment shown in parentheses under each equipment title matches the wiring
interface. To change equipment source, highlight and select it from the menu. (See see
paragraph 4.4.1.5.)
c. Select exit until you return to Service Menu.
d. The Save or Revert menu will appear upon exiting setup menu. Select Save Changes to keep
current configuration. (Selecting Revert to Old Settings will cause system to exit the service
menu without saving changes.)
7. From the Service Menu, select Calibration:
a. Select correct antenna location (top or bottom). The "SKY899 Antenna Calibration in
Process..." message will appear. The Built In Test (BIT) signal phase will be calibrated for the
TRC, cable connections, and antenna (see paragraph 4.4.3).
b. Verify calibration passed: A new bit phase value is displayed and no error messages appeared.
c. Press exit to return to Service Menu screen.
8. Perform system setup verification and operation procedure in paragraph 3.3.2.
Download System Configuration (via Compact Flash Card)
1. With the SKY899 OFF, lift the memory card door on the front of the TRC899 and insert the compact
flash card into J12 connector.
2. Enter the Service Menu (see paragraph 4.4), select Configuration Management.
3. At the Configuration Management menu select Retrieve from CF. Verify the "download was
successful" message is displayed. If an error occurs during download, the configuration setup must be
done manually (see above "System Configuration" procedure).
4. Turn off the SKY899 and remove the compact flash card from J12 memory card connector.
5. Perform the system setup verification and operation procedure below (see paragraph 3.3.2) to verify
configuration data was downloaded correctly.