User's Manual

UL-801 Installation Manual
Page 420
23-20-06 15 December 2011
3. SAT CONFIG
SAT CONFIG
TRACKER TIMER
 ENABLED  DISABLED
The tracker timer provides flight following information to the service provider once every four hours during SatCom
medium inactivity. This setting should be enabled to provide better ACARS link management performance.
This timer is applicable when UniLink is configured with an A741 SDU. If Iridium is configured as an AIRPHONE,
the tracker timer is not active.
AUTO RETURN
 ENABLED  DISABLED
If enabled, the UniLink attempts to re-establish the SatCom link every 10 minutes when in Satellite NOCOMM.
4. PRIORITY
NOTE:
• If Aero-I SAT (ARINC 741) Packet Data Service is utilized, one of the
Normal/Alternate options must be set to SAT.
• Alternate Comm Priority, which is used for Position Reporting only,
overrides Normal Comm Priority.
COMM PRIORITY
NORMAL (Priority ranking scheme for up to three downlink communications links.)
1ST
 NONE  VHF
 SAT  TEL
2ND
 NONE
 VHF  SAT  TEL
3RD
 NONE
 VHF  SAT  TEL
ALTERNATE (Used for Position Reporting only.)
1ST
 NONE  VHF  SAT  TEL
2ND
 NONE  VHF  SAT  TEL
3RD
 NONE  VHF  SAT  TEL
NOTES:
• Alternate priority is only applied to automatic position reports in the UASC Corporate Customer
Database.
• Customers are able to limit Auto Position reports to only use the VHF media, SAT media, TEL
media or any two media. Likewise, users can choose to send Auto Position reports via all three
media options.