Raytheon NautoPilot NP 5100 Operator's Manual page 162

Gyro Reference Error
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Gyro--Ref:ERR
Gyro--TMC Difference
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Gyro -- TMC Diff.
Heading jumped
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Heading jumped
Heading Monitor is dis-
abled
--------------------------------------
Heading Monitor
Heading Quality
changed
--------------------------------------
Hdg Quality Chng
Heading Sensor
changed
--------------------------------------
Hdg Sensor Chng
Low Heading Integrity
--------------------------------------
Low Heading Inte
Low Speed
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Low speed
4002.DOC010102
OPERATION
NautoPilot 5000 Series
Message
Gyro or GPS compass
does not transmit valid
data.
There is a heading
difference between Gyro
Compass heading and
Magnetic Compass
heading.
The max. difference can
be adjusted.
Difference between
heading values from se-
lected heading source is
grater than the config-
ured heading jump
threshold
or
difference between
heading values during
sensor change is greater
than the configured
heading jump threshold.
Value change of Heading
Monitor, but Heading
Monitor is disabled.
The selected Heading sensor is doubtful or failed,
refer to section 2.3.6.1.
The selected Heading sensor was switched, e.g.
from Gyro 1 to Gyro 2. Check current Heading
source for more information.
Try wo switch to Course
or Track control, but the
heading sensor integrity
check has not been past.
Actual speed is lower
than the configured low
speed threshold.
Possible cause
150
Remedy
-- Check Gyro
Compass.
-- Check GPS
Compass.
-- Check Gyro Compass
heading.
-- Check Magnetic
Compass heading.
-- Check the adjusted
threshold of
heading monitor
(see section 2.3.6.4).
Check heading sensors.
Activate Heading Moni-
tor function in the config
menu.
Check heading sensor
system.
Speed up the ship.
Switch to manual
steering.
Edition: September 2014