__________________________________________________________________
Cirrus Perspective™ Line Maintenance Manual
Page 7-55
190-00920-00
Rev.
E
7.9
GCU
478
Original
GCU
478
Reinstalled
No
software
loading
is
required
if
the
original
GCU
478
is
reinstalled.
This
does
not
include
units
that
were
returned
for
repair
since
their
software
and
configuration
files
were
deleted
during
the
repair
testing
process.
New,
Repaired,
or
Exchanged
GCU
478
Installed
Load
software
and
gains
files
from
the
Cirrus
Perspective™
software
loader
card
if
a
new,
repaired,
or
exchanged
GCU
478
is
installed.
7.9.1
GCU
Software
and
Configuration
Loading
1.
Insert
the
Cirrus
Perspective™
software
loader
card
into
top
slot
of
the
PFD.
2.
Apply
system
power,
insuring
both
MFD
and
PFD
are
in
Configuration
Mode.
3.
On
the
PFD,
press
the
NO
softkey
at
“DO
YOU
WANT
TO
UPDATE
SYSTEM
FILES?”
prompt.
4.
After
the
SYSTEM
STATUS
page
appears
on
the
PFD,
use
the
small
FMS
knob
to
turn
to
the
SYSTEM
UPLOAD
page.
5.
Activate
the
cursor,
turn
the
small
FMS
knob
to
show
the
list
of
airframe
choices,
highlight
your
airframe
model
in
the
pop
‐
up
box,
and
press
the
ENT
key.
6.
In
the
FILE
box,
turn
the
small
FMS
knob
to
show
the
list
of
file
choices,
highlight
the
appropriate
airframe
configuration
file
in
the
pop
‐
up
box,
and
press
the
ENT
key.
7.
Press
the
CLR
ALL
softkey.
8.
Using
the
FMS
knob
and
ENT
key
select
the
following
files:
•
GCU
software
•
GCU
configuration
NOTE
Pressing
the
ENT
key
will
check
and
uncheck
the
highlighted
software
and
configuration
boxes.
9.
Once
the
desired
files
are
selected
press
the
LOAD
softkey.
10.
When
the
upload
is
complete,
press
the
ENT
key
to
select
OK
in
the
Upload
Complete
window.
11.
Turn
off
the
system.
Summary of Contents for Cirrus Perspective SR20
Page 2: ......