Honeywell GNS-XLS Operator's Manual page 111

SENSOR MESSAGES: (continued)
Sensor Message
DR
ENTR SET HDG
LINK FAIL
*NAV RDY
*NO NAV
NO RAIM
NO RAIM @ DEST
NO SYNC
RCVR FAIL
STD FAIL
Rev. 8
Apr/00
Explanation
Either the VLF (RPU), GPS or VPU sensor
is in the Dead Reckoning (DR) mode of nav-
igation. The message annunciator will not
illuminate for VPU.
The IRS is in the attitude mode and a head-
ing value must be entered.
Data exchange between the sensor and
CDU has failed.
The sensor is capable of navigation, but has
not been placed in the navigation mode.
Message annunciator will not illuminate.
Only displayed when GPS sensor is not
available.
The sensor has not navigated since system
power up. Message annunciator will not illu-
minate.
RAIM is not available at this time.
RAIM is available at the present time, but
will not be available at the destination arrival
time.
Omega synchronization has not been com-
pleted.
At least one Communication or Omega
receiver has failed.
The rubidium frequency standard in the RPU
has failed.
GNS-X Flight Management System
LS
Page Display Definitions
2-79