__________________________________________________________________
Cirrus Perspective™ Line Maintenance Manual
Page 7-59
190-00920-00
Rev.
E
6.
If
the
aural
alert
is
not
heard,
but
pre
‐
flight
testing
passes,
engage
the
Autopilot
by
pressing
the
AP
key
and
disengage
the
Autopilot
by
pressing
the
AP
key
again.
Visual
and
aural
disconnect
alerting
should
occur.
If
no
alert
is
heard,
the
digital
audio
interface
between
the
GIA
and
audio
panel
should
be
checked.
7.11.2.2
AFCS
Switch
Checks
Perform
the
following
checks
to
verify
that
the
AFCS
system
buttons
and
switches
are
operating
correctly.
1.
Actuate
the
Manual
Electric
Pitch
Trim
(MEPT)
switch
located
on
the
pilot
control
stick.
The
stick
should
drive
in
the
requested
direction.
Check
operation
in
both
directions.
2.
Repeat
step
1
using
the
co
‐
pilot
MEPT.
3.
Press
and
hold
the
AP
DISC
button
while
actuating
the
MEPT
switch.
Trim
should
not
run.
Release
the
AP
DISC
button.
4.
Engage
the
Autopilot
by
pressing
the
‘AP’
key
on
the
GMC
705.
Pull
the
AUTOPILOT
circuit
breaker.
The
Autopilot
should
disengage,
with
abnormal
disconnect
alerting
consisting
of
a
continuous
disconnect
tone
and
a
flashing
red/white
‘AP’
annunciation.
No
AFCS
annunciations
(e.g.
AFCS,
PFT,
and
Mistrim)
should
remain
on
the
PFD.
Press
the
A/P
DISC
switch
to
cancel
the
abnormal
alert.
Reset
the
AUTOPILOT
breaker
and
watch
the
pre
‐
flight
test
sequence
again.
5.
Press
the
GA
button
on
the
throttle
lever.
‘GA’
should
be
annunciated
on
the
PFD
for
both
pitch
and
roll
modes,
and
the
command
bars
should
indicate
a
wings
‐
level
climb
to
7
degrees.
6.
Disengage
the
Autopilot
by
pressing
the
AP
DISC
switch.
Engage
VS
mode
by
pressing
the
VS
key
on
the
GMC
705.
Verify
the
PFD
display
‘VS’
in
green
and
indicates
a
pitch
reference
of
‘0
FPM’.
7.
Press
the
IAS
key
on
the
FMC
705
and
verify
that
‘IAS’
is
annunciated
on
the
PFD
in
green
with
a
reference
of
80
KTS
(NOTE:
This
is
the
minimum
speed
reference
for
the
GFC
700).
8.
Press
the
ALT
key
on
the
FMC
705
and
verify
that
the
‘ALT’
annunciation
is
displayed
in
green
on
the
PFD
with
an
altitude
reference
equal
to
the
aircraft
altitude
(within
the
nearest
20
feet).
9.
Press
the
FD
key
and
verify
that
the
mode
annunciations
and
command
bars
are
removed
from
the
display.
Summary of Contents for Cirrus Perspective SR20
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