Piper SENECA III - Page 285

PIPER
AIRCRAFT
CORPORATION
SECTION
9
PA-34-220T.
SENECA
HI
SUPPLEMENT 5
GS
-
The
Glide
Slope
valid (GS
pointer
being
in
view
on
PND
has
to
be
present
before
GS
may
couple.
If
after
GS
coupied.the
valid
is
lost,
the
svstem
will
flash
the
GS
Annunciatorand
transfer
from
GS
coupled
to
PA
H.
If
the
GS valid
returns.
the
system
will
revert
back
to
GS.
NAV
FLAG-The
NAVorAPPR
Modes(ARMorCPLD)maybe
selected
and
will
function
with
or
without
a
NAV warning
flag
present.
The
AP
will
continue
to
provide
steering information
with
or
without
a
valid
NAV
signal.
AP
DISCONNECT
ALERT-The
Autopilot
Disconnect
Alert
will
sound
an
audible
warning
for
approximately
2
seconds whenever
the
autopilot
engage
lever
on
the
KC
292
Mode
Controller is
disengaged.
(e)
PILOT'S
CONTROL
WHEEL SWlTCH FUNCTIONS
AP DlSC.
TRIM INTERRUPT
-
This
emergency
disconnect
switch will
disengage
the
AP, interrupt
the
power
to
the electric trim
system
To
resume
AP
controL
the AP
lever
on
the Mode
Con-
troller
must
be
re-engaged.
In
the
event
of
electric trim
or
autotrim
failure,
the
switch
can
be held depressed.
which
removes
all
power
from
the
trim
system to
allow
the
pilot
time
to turn
off
the
RAD1O
POWER
switch
and
puÌì
the (PlTCH TRlM)
circuit
breaker.
CWS
-
This
switch
when
depressed and held
will
allow
the
pilot
to
manually
fly
the airplane without
disengaging
the
AP.
When the
switch
is
released
the
AP
will
resume
controL (within
the
pitch
and
roll
attitude
Hmits). The CWS
switch
will
resync
PAH,
or
ALT
hold,
When the
CWS
is
held depressed, Manual Electric
Trim
may
be
operated
without
disengaging
the
AP.
MANUAL
PlTCH TRIM .Manual Electric Pitch Trimisactivated
by
a
dual
action
type
switch
that
requires
both
parts
to
be
moved
simultaneously
for
actuating
up or
down trim
commands.
Operation
of
the
manual electric
pitch
trim
switch
will
disengage
the
AP lever
switch
on
the Mode Controller
(except
when CWS
switch
is held depressed
as
previously
noted).
ISSUED:
APRIL 21,
1981
REPORT:
VB-1110
REVISED:
FEBRUARY
25, 1982
7 of
16, 9-39