RAZAIR
‐
A1
‐
METRO
‐
III
‐
AFM
‐
001
2
‐
17
Fig.
98
GPS
Start
up
screen.
The
GPS
displays
information
on
a
two
line
LED
screen.
The
displayed
information
varies
depending
on
the
selected
mode.
For
example
a
typical
NAV
mode
display
looks
like
this:
Fig.
99
GPS
typical
NAV
display
In
the
example,
the
top
line
of
the
display
indicates
that
the
next
waypoint,
marked
by
the
TO
header,
is
a
VOR;
that
its
bearing
is
56
0
;
distance
to
waypoint
is
101
nautical
miles;
and
the
estimated
time
on
transit
to
the
waypoint.
The
bottom
display
shows
a
CDI
(Course
Deviation
Indicator),
current
Ground
Track
and
current
Ground
Speed.
KNOBS,
MODES
AND
FUNCTION
KEYS
The
information
displayed
by
the
GPS
depends
on
the
selected
mode.
There
are
five
operational
modes:
NAV:
Displays
navigation
and
position
information
on
your
selected
route.
WPT:
Displays
waypoint
specific
information.
FPL:
Displays
and
navigates
a
loaded
flight
plan.
CALC:
Allows
fuel
and
airdata
computations.
AUX:
Displays
other
information
such
as
system
data.
There
are
four
function
keys:
DIRECT
‐
TO:
Used
to
select
a
waypoint
for
navigation.
MSG:
Displays
system
messages.
ENT:
Used
for
data
entry.
The
knobs,
outer
and
inner
knobs,
are
used
for
data
navigation:
The
Outer
knob
is
used
to
navigate
the
top
line
of
the
display.
The
Inner
knob
is
used
to
navigate
the
bottom
line
of
the
display
INTERNAL
ANNUNCIATOR
LIGHTS
The
internal
annunciator
lights
are
located
above
and
to
the
right
of
the
LED
display.
They
are
only
visible
when
lit.
