System Functions
Figure 10.56: The Autopilot window with Monitor Heading indicator
10.7.5
Heading Monitor function
NOTE!
This function is available in the Autopilot operating mode only. The
function presence depends on system configuration.
The function compares the heading data incoming from gyro(s) and/or magnetic compass (magnetic heading).
In case the system contains Monitor Heading there is additional indicator
in the sensor group of the Au-
topilot window (see Figure 10.56) .
The MH indicator has the following color code:
green
— the function is ON, there is no off-limit discrepancy;
red
— the function is ON, there is off-limit discrepancy;
light-gray
— the function is OFF, there is no monitoring.
In the DP mode the HM indicator is green in case the data incomes from two or more sensors and light-gray in case
the data incomes from the one sensor only.
The minimal sensor configurations for monitoring process are the following:
– Gyro+Gyro (two gyros)
– Gyro+Magnetic (gyro and magnetic compass)
In case the system contains three or more sensors (with or without a magnetic compass) the data must income at least
from two of them.
The off-limit discrepancy is set in the Gyro parameters area (see Section 7.3.1, page 131, Figure 7.10).
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