OPERATING
1.
Until power is applied
to
the KCS 55A Sys-
tem, and the directional gyro is up to speed,
a red flag labeled
"HDG"
will be visible in the
upper right quadrant of the KI 525A Indicator
In operation, this warning flag will be visible
whenever the power being supplied is in-
adequate or the gyro is not up
to
speed
2.
With the application of power to the KCS
55A System, and gyro up
to
operating
speed, the red
"HDG"
flag should disappear
from view.
3.
If
the KCS 554 System is in the slaved gyro
mode, the compass card will automatically fast
slave at the rate of
180
degrees per minute
toward the aircraft's magnetic heading.
(Immediately after applying power, this com-
pass card movement should
be
quite visible
)
It
will continue
to
fast slave until the proper
magnetic heading is indicated, after which
it
wll
slave at a constant rate
of
3
degrees per
minute
to
keep the system aligned with the
earth's magnetic field.
Under some conditions
it
is possible for
the system to
stop
slaving exactly
180"
from
the correct heading.
If
this should occur. move
the ManlAuto switch to the Man mition.
5.
Until a usable navigation signal is being
received by the KCS 55A system, a red fla
labeled 'NAY will be visible in the upper left
quadrant of the
KI
525A Indicator In opera-
tion, this warning flag should be visible
whenever an inadequate navigation signal is
being received.
6.
For normal navigation to or from a VOR or
VORTAC, set the NAV receiver
to
the desired
VOR or VORTAC frequency and the red navi-
ation flag (NAV) should disappear from view
!a usable signal is being received.
7.
Rotate the course select knob
to
position
the course pointer
to
the desired VOR
course.
8.
The VOR deviation bar represents the
selected course and the relationship of this
bar to the symbolic aircraft in the center of the
instrument visually presents the actual rela-
tionship of the selected course
to
your air-
craft heading. (In other words,
if
the
symbolic
aircraft on the display indicates a proaching
the deviation bar at
45",
that is tle angle at
which your aircraft is actually approaching
the selected course.)
Rotate thecompasscard
rt
10"fromtheincor-
reci heading by holding the CWlCCW switch
to
one side, and then return the system
to
slaved
operation by moving the ManlAutoswitch back
to
the Auto position. The system will then slave
to
the correct heading. pear.
4.
For free gyro operation, check the slaving
meter
to
determine whether there is right or left
deflection. Then hold the CWlCCW switch to
centertheneedleandproperlyalign thesystem
with the earth's magnetic field.
A
check with
the standby compass is recommended
to
assure there is approximate agreement.
9.
To prepare for an 1LS approach, tune the
NAV receiver
to
the desired Localizer fre-
quency.
If
a usable Localizer Signal is being
received, the NAV warning flag will disap-
10.
For a front or back course approach, ro-
tate the course select knob
to
set the course
pointer on the inbound Localizer course. As
with normal navigation
(X6
above), the LOC
deviation bar represents the desired course.
The relationship between this bar and the
symbolic aircraft gives a twpicture of your
8
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