BendixKing SG 465 System EFS 40/50 - Manual (Page 74)

EHSI Operation
uncluttered weather radar pre-
sentation. The MFD ARC weath-
er only format provides a typical
weather radar presentation, no
navigation data is presented
when this mode is selected.
Refer to radar controls in this
section for details on weather
radar operation.
RANGE SELECTION
A press of the RANGE DOWN
button selects the next lower
range to be displayed while in the
NAV MAP or WEATHER modes
of operation. Once the lowest
selectable range is reached, the
RANGE UP button must be used
for a range change.
The operation of the RANGE UP
button is similar to the RANGE
DOWN except it selects the next
higher range to be displayed
while in the NAV MAP or
WEATHER modes of operation.
TST/REF
The TST/REF button will per-
forms SELF TEST display,
Ground speed, Time-to-Station
or LNAV formatting selections
with software 04/05/06/07.
The TST/REF button will per-
forms SELF TEST or LNAV for-
matting selections with software
release 08 and higher.
w
TST—
To display the EHSI system
SELF TEST, press and hold the
TST/REF button for three sec-
onds. Upon entering Self Test, a
test pattern will be displayed. In
the center of the test pattern,
either a SELF TEST PASS or
SELF TEST FAIL will be annun-
ciated. With 04/05/06 software,
the SELF TEST display will
remain until the TST/REF button
is pressed again. Beginning with
07 software, the EFS will cancel
the test mode and return both the
EADI and EHSI to normal opera-
tion after 5 seconds.
N o t e : If the SELF TEST FAIL
message is annunciated, the
system should be serviced.
w
REF GROUND SPEED
or TIME-TO-STATION
s e l e c t i o n
With software 04/05/06/07, the
TST/REF button allows alternate
selection of Ground speed or
Time-to-station as calculated by
the selected primary NAV sys-
tem. When Ground speed or
Time-to-station information is
available it will be displayed
below the distance information in
the upper right corner of the dis-
play. If the information is not pro-
vided, the associated annuncia-
tor will be removed. The
alternate selection of Ground
speed and Time-To-Station will
not be allowed in the MAP mode
with an LNAV selected as the pri-
mary navigation source. Begin-
ning with software 08, both
2.1.8 Issued 8/10 SW 04/05/06/07/08/09/10/11/12/13/14/15/16
RNG
RNG
SYS REF
TST
REF
Section 2.1mp 9/8/10 7:46 PM Page 2.1.8