Piper SENECA III - Page 313

PIPER
AIRCRAFT CORPORATION
SECTION 9
PA-34-220T,
SENECA
III
SUPPLEMENT
8
(m)
With
the
mode
selector
set
to
RNAV,
the
following data
is dis-
played:
(l)
DISPLAY SELECTOR SET TO BRG/DST
-
Bearing
and
distance
to
the selected
waypoint
is
displayed.
(2)
DISPLAY
SELECTOR SET TO
KTS/TTS-Groundspeedin
knots
and
time-to-waypoint
is displayed
in
minutes.
(3)
HSI
-
The HSI
presents
RNAV
information
with
constant
deviation,
i.e.,
full
scale
deviation
represents
5
nautical miles
off
course
out
to
a
distance
of
100
nautical miles.
From thereon
full
scale
deviation
represents
3°
off
course.
(4)
DISPLAY
SELECTOR
SET
TO SBY
-
Data
stored
for
stand-
by
waypoint
(number
appearing
in
SBY
window)
is displayed
and
can
be
altered
as
desired.
(5)
DISPLAY
SELECTOR
SET
TO
ACT
-
Data
stored for active
waypoint
(number
appearing in ACT
window)
is displayed,
but
cannot
be
altered.
(n)
With
the
mode selector
set
to
APR,
the
displays
are
the
same
as
RNAV,
except
full
scale
deviation
represents
1.25
nautical
miles
off
course
out
to
25
nautical
miles.
From
thereon,
full
scale
deviation
represents
3°
off
course.
(o)
Program
COM
and
NAV
frequencies
by
performing
the
following
steps.
NOTE
To
program
the
COM/NAV
Unit from
the
NP-204]A
keyboard, the
KBD/NAV/COM
selector
switches
must
be
set to
KBD.
(1)
MODE
SELECTOR -The mode
selector
on
theNP-2041A
can
be
on
in
any
position
other
than
OFF
or
TEST
to
program
COM
I
or
COM
2
frequencies.
(2)
COM I
FREQUENCY
-
Press
COM 1 key;
press
number
keys
corresponding
to
the
desired
frequency; and
press
the ENTER
key.
(3)
COM 2
FREQUENCY
-
Press
COM 2 key;
press
number
keys
corresponding
to
the
desired frequency;
and
press
the
ENTER
key.
ISSUED:
JANUARY 8,
1981
REPORT:
VB-1110
5
of
6,
9-63