System Overview 1-5
COOL FEATURE
Addressable Line Select Keys On any given page
only LSKs that can perform the labeled function are
backlit. Keys that are non-functional are intentionally
unlit. This is to visually “quiet” the display, reduce
time searching for a desired button and also
minimize extra pilot actions caused by inadvertently
pressing the wrong button. This feature is especially
useful at night in a darkened cockpit.
DISPLAY FORMATS
• Half format – The PFD attitude indicator (ADI), airspeed,
altimeter and vertical speed indicators are always on the
top half of the page. The bottom half of the page is
dependent on which Page Function Key and tab are
selected. Whenever the bottom half of the page is not a
traditional HSI, the lower edge of the ADI has a
perspective compass and Horizontal Deviation Indicator
(HDI).
• Full format – The function selected (e.g. Map or Chart)
takes up the entire screen. Associated line select keys
can be pilot-selected to time out in preset durations or
never.
• Datablock format – The left and right sides of the IFD
are populated with various pilot-selectable datablocks.
• Split format – The IFD is split vertically, down the center,
allowing two distinct functions to be displayed at the
same time. Examples include Map-Chart and Map-FLP.
The ND box concept refers to the rectangular section on the
lower half of the PFD pages. It is most noticeable on the PFD
where the upper half is always a PFD view. The ND box is filled
based on which Page Function Key is pressed along the bottom
edge of the IFD bezel,
All pages are available at all times with only one key press.
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