BendixKing SG 465 System EFS 40/50 - Manual (Page 115)

EHSI Displays
All standard beacons (Type A)
are displayed as two white arcs
separated by 3.6 to 13 nm (sepa-
ration distance determined by
beacon ID code). All DO 172
(Type B) beacons are displayed
as two white framing arcs 1.2 nm
apart with one to four additional
beacon ID arcs between the two
framing arcs. When a beacon is
identified, its ID code preceeded
by an “A” or “B” to indicate bea-
con type is displayed in blue at
the beacon location on the EFS
weather display just beyond the
closest white arc.
RDR 1400 beacon and search
gains, and antenna tilt value are
not annunciated on the EFS.
N o t e : A limited interface to the
RDR 1400 is provided with
EFS software versions before
09. TEST, STBY, and WX are
the only modes annunciated.
Beacon and Search modes are
not annunciated. Beacon sym -
bols are displayed as white
arcs at the proper location, but
without an ID number.
LIGHTNING DETECTION
Up to 63 grey colored lightning
cell symbols can be displayed on
the EHSI or MFD displays when
provided by a compatable light-
ning sensor. Unlike weather
radar information, lightning data
may be presented in all 360
degrees of display area. Range
selection for all lightning data dis-
played on EFS is controlled by
the EFS control panel. The EFS
will display the following symbols
depicting three different levels of
lightning intensity:
Lightning information will only be
displayed while weather is select-
ed for display on the EFS. Some
versions of Radar Control Panels
(RCP) have a lightning select
button (see section 2.3) which
will alternately select and de-
select lightning for display, how-
ever when selected, the lightning
data will be in addition to the
weather radar information if both
are provided. The weather radar
may be placed in standby if only
lightning information is desired.
A single lightning data field is
located immediately above the
weather radar data fields. Three
annunciations are possible in this
field as shown in figure 4.1.8 at
the end of this section. The
annunciation “ON” preceeded by
the lightning symbol indicates
that lightning information has
been selected for display and the
lightning sensor is operational.
The annunciation “OFF” preceed-
ed by the lightning symbol indi-
cates that lightning has been de-
selected using the lightning
select button on the RCP. This
annunciation is only presented
while a weather mode is selected
on the EFS and will not be dis-
played in installations without a
lightning select button on the
RCP. A fault condition is indicat-
4.1.20 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 4.1.20