User's Manual

UL-801 Installation Manual
Page 505
23-20-06 15 December 2011
(9) Press LSK [5L] to display the weather map. Verify that the correct map has been
received.
M. Checking the UL-801 ARINC 741 SatCom (SAT)
NOTE: Ensure that the selected DSP provides this service.
(1) Verify that the SatCom SDU is powered up, initialized, and logged on.
(2) From the UNILINK MENU 1/2 page, press COMM STATUS.
(3) If the SatCom status is NOCOMM/UNAVAILABLE, UniLink has not detected label
270 from the SatCom. This indicates the Sat Link is unavailable.
(4) If the SatCom status is NOCOMM/CONNECTING, the SatCom Link is available,
UniLink will send a Link Test message, and wait for an acknowledgement from the
ACARS network to confirm connectivity to the network.
(5) If SatCom status is COMM/IDLE, the SatCom Link connectivity to the ACARS
network has been confirmed and UniLink is ready to send and receive messages via
the SatCom link.
All tests are now complete.