__________________________________________________________________
Page 7-40
Cirrus Perspective™ Line Maintenance Manual
Rev. E
190-00920-00
8.
When
the
CALIBRATE
field
is
blinking,
press
the
ENT
key
to
begin
the
procedure.
The
PFD
display
instructs
the
operator
to
gradually
increase
power
from
idle
to
full
throttle
and
back
to
idle
over
a
period
of
1
‐
2
minutes.
9.
When
the
operator
has
completed
the
engine
run
‐
up
and
the
engine
is
back
to
an
idle
setting,
press
the
ENT
key.
The
TEST
COMPLETE
field
stops
blinking
and
the
process
is
complete.
10.
The
PFD
informs
the
operator
if
the
installation
has
passed
or
failed
the
vibration
test.
If
the
test
fails,
the
specific
measurements
causing
the
failure
are
identified
and
associated
numeric
values
are
displayed
on
the
PFD.
11.
The
following
are
potential
causes
for
failure
of
the
engine
run
‐
up
test.
Correct
the
condition
and
retest
to
confirm
resolution.
•
Vibration
motion
of
GRS77
and/or
GMU44
caused
by
neighboring
equipment
and/or
supports.
•
The
mounting
screws
and
other
hardware
for
GRS77
and/or
GMU44
are
not
firmly
attached.
•
The
GRS77
connector
is
not
firmly
attached
to
the
unit.
•
Cabling
leading
to
GRS77
or
GMU44
is
not
firmly
secured
to
the
supporting
structure.
•
An
engine/propeller
may
be
significantly
out
of
balance.
Summary of Contents for Cirrus Perspective SR20
Page 2: ......
