BendixKing SG 465 System EFS 40/50 - Manual (Page 106)

EHSI Displays
Likewise, the tail of the pointer
is at 360. Indicated heading
on the compass card is 090.
So relative bearing is 90
degrees left. Actual heading is
30 degrees. So actual bearing
from the NDB is 90 degrees to
the left of 30 degrees, which is
300 degrees.
One other thing to note about
ADF indications with failed
heading is this : The A DF
bearing pointer points to the
station relative to the symbolic
airplane. Since the bearing
pointer in the example is point -
ing straight off the right wing of
the symbolic airplane, you may
conclude the station is straight
off the right wing of the actual
airplane.
MAGNETIC/TRUE
HEADING ANNUNCIATIONS
To the left of the lubber line a
white “T” will be displayed when
the compass card is in the true
mode of operation or left blank
when in magnetic mode.
Magnetic compass heading is
automatically displayed unless
True heading is selected by a
remote switch or when the
selected primary NAV sensor is
an LNAV and it selects the True
mode of operation. Valid mag
var must be present before True
heading can be selected by the
L N A V .
RADIO ALTITUDE
Beginning with software version
07, radio altitude provided by a
compatible radio altimeter may
be displayed on the EHSI in
installations that do not include
EADI displays. (The SG must be
configured for EHSI only opera-
tion). This radio altitude will be
displayed in white with a “ft” suffix
near the bottom of the EHSI on
the side opposite the selected
NAV sensor annunciation. Deci-
sion height (DH) select and DH
alert annunciations are not pro-
vided on the EHSI.
The displayed altitude range is
from -20 ft to 990 ft in 5 ft incre-
ments below 100 ft and 10 ft
increments above 100 ft for EFS
software 07 and 08. Beginning
with 09 software, 5 ft increments
are provided up to 500 ft.
The radio altitude is decluttered
at or above 1000 ft. Three red
dashes will be displayed when
the radio altitude is invalid and
three white dashes are displayed
for values below -20 ft or data
with a No Computed Data (NCD)
s t a t u s .
N o t e : 20 ft is the minimum alti -
tude displayed when a KRA
10A is the configured radio
altimeter.
GLIDE SLOPE/VERTICAL
NAVIGATION
When the selected primary NAV
sensor is ILS, MLS or LNAV with
VNAV selected, a stationary
white vertical deviation scale will
appear on the right or left side of
the EHSI display as configured at
the time of installation and certifi-
cation. This scale provides a ref-
4.1.11 Issued 8/10 SW 04/05/06/07/08/09/10/11/12/13/14/15/16
Section 4.1mp 9/9/10 1:45 AM Page 4.1.11