BendixKing KXP 756 - Manual (Page 14)

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A. Lubber Line
Fixed reference mark for compass
card. Represents nose of aircraft.
B. Heading Bug (Orange)
Indicates Selected Heading.
C. TO-FROM Indicator
Indicates whether the course
pointer is showing the magnetic
bearing TO or FROM the station.
D. Lateral Deviation Indicator
Indicates flight on selected VOR
radial, localizer beam or RNAV
track with respect to aircraft
location. Scale is 1 dot equals
typically ±.5° of localizer deviation,
±2° of VOR deviation, ±1 mile or
RNAV Enroute deviation, and ±.25
mile RNAV Approach deviation.
E. Heading Select Knob
Positions Heading Bug on
Compass Card. Knob face
includes a color coded symbol
representing the Heading Bug.
F. ADF/NAV Selector
Rotating lever determines which
information the ADF/NAV indicator
(G) is displaying. Automatic
direction finder (ADF) and radio
magnetic indicator (RMI or NAV)
information is supplied by aircraft
avionics.
G. ADF/NAV Indicator (Green)
Indicates bearing of ADF or NAV
signal.
H. Course Select Knob
Positions course selector on
compass card. Knob face includes
a color coded symbol representing
the Course Arrow.
I. Glideslope Deviation Indicator
Indicates glideslope beam center
with respect to (from View)
location. Glideslope scale is
typically ±.35° per dot. A black
glideslope warning flag covers this
area when the glideslope signal is
invalid.
J. Compass Card
Indicates aircraft magnetic heading
with reference to Lubber Line.
K. Compass Warning Flag (Red)
In view when an erroneous
directional gyro input, a power
failure or a compass card servo
failure occurs.
L. NAV Warning Flag (Red)
In view when navigational receiver
output is invalid.
M. Course Arrow (Yellow)
Indicates Selected Course.
N. Photoresistor (KPI 553A/B)
Senses light for display dimming
circuit.
O. Distance Display (KPI 553A/B)
The left-hand portion of the display
shows distance (NM) to the VOR or
waypoint, as determined by the
function switch.
P. Groundspeed, Time-To-Go or
Altitude (KPI 553A/B)
The right-hand portion of the
display shows Groundspeed, Time-
To-Go or Altitude as indicated by
the illumination of the KT, H:M or
FT legends.
Q. GS/TTG Transfer Button
(KPI 553“B” only)
Pressing the GS/TTG transfer
button switches the right-hand
display from the GS display to the
TTG display, or from TTG to GS
depending on what is currently in
use. This information is only
displayed above 1250 ft. Below
1250 ft. the display changes to
altitude as indicated by the legend.