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MFD display components:
NAV type and
id
NAV distance
and direction
horizontal air
speed [m/s]
horizontal
speed vector
VTOL cone
target position
indicator
NAV receiver
frequency
vertical speed
[m/s]
altitude [m]
vertical speed
bar (log scale)
altitude bar
(log scale)
DIST: distance to NAV transmitter [m]
DIR: direction of NAV transmitter (ship-relative)
HSPD: horizontal airspeed component [m/s]
ALT: altitude [m]. The altitude bar has a range from 1 to 104m (logarithmic
scale).
VSPD: vertical airspeed component [m/s]. The vertical speed bar has a range
from 0.1 to 103m/s (logarithmic scale). Positive vertical speed is indicated by a
green bar, negative vertical speed by a yellow or red bar. Red is a surface impact
warning.
Target indicator: Shows the horizontal location of the slaved NAV transmitter
(ship-relative) on a logarithmic scale. Range: 1 to 104m.
Hspeed vector: Shows the horizontal component of the airspeed vector (shiprelative) on a logarithmic scale. Range: 0.1 to 103m/s.
VTOL cone: This circle indicates the admissible deviation from the vertical
touchdown vector as a function of altitude. During VTOL landing, the target indicator must remain inside the VTOL cone. A red circle indicates that the ship is
outside the cone. The VTOL cone is displayed only when the MFD is slaved to a
VTOL transmitter.
14.4 Horizontal Situation Indicator
The Horizontal Situation Indicator (HSI) consists of two independent displays. Each
display can be slaved to a NAV receiver and show directional and relative bearing information. The instruments accept data from surface-based transmitters such as VOR
and ILS. The function is similar to instrument navigation systems found in aircraft.
The display consists of a gyro-compass indicating the current heading at the 12
o‟clock position. The yellow arrow in the centre of the instrument is the course arrow
or Omni Bearing Selector (OBS). When the slaved NAV radio is tuned to a VOR
ORBITER User Manual (c) 2000-2010 Martin Schweiger
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