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2.0 BASIC OPERATION OF PANEL CONTROLS
2.1 Page Selection
The screen is normally divided into five segments defined by vertical and
horizontal lines on the screen. The large top left segment is called the left
page and the large top right segment is called the right page. The small
lower left segment displays the name of the left page being displayed
while the small lower right segment displays the name of the right page
being displayed. The lower middle segment displays the mode of opera-
tion (ex: ENR-LEG is Enroute-Leg mode which is the normal mode for
enroute operations).
NOTE: When power is applied to the KLN 90B it always “wakes up” in the
Enroute-Leg mode. Only the Enroute-Leg mode is described in this
manual. In this mode the KLN 90B performs great circle navigation (the
shortest distance between two points located on the earth’s surface). The
course deviation output displayed on the unit’s internal course deviation
indicator (CDI) and provided to an external HSI or CDI is five nautical
miles left and right, full scale sensitivity. The OBS mode and the
approach modes are described in the KLN 90B Pilot’s Guide.
The two concentric knobs and C button on the left are used to control
the left page and the two concentric knobs and C button on the right are
used to control the right page. The right inner knob has an “in” and an
“out” position. It should be pushed to the “in” position for now.
The cursor is an area of inverse video (dark characters on a light back-
ground). Many pages allow you to add, delete, or change data on the
6
Top Left Segment
"Left Page"
Top Right Segment
"Right Page"
Lower Left
Segment
Lower Middle
Segment
Lower Right
Segment