Textron Cessna 172R - Page 421

CESSNA
MODEL
172R
SECTION
9
-
SUPPLEMENTS
SUPPLEMENT
9
-
FAA
APPROVED
r
f
CLOCK
OPERATIONS
The lower
portion
of
the
LCD
window
is
dedicated
to
clock
and
timing
operations.
Pushing
the
SELECT
button
will
sequence
the
window
from
universal
time
(UT)
to
local time
(LT)
to
flight
time
(FT)
to
elapsed
time
(ET),
and back
again
to
universal time.
Pushing
the
CONTROL
button
allows
for
timing
functions
within the
four
SELECT
menus.
Setting
procedures
are as
follows:
SETTING
UNIVERSAL
TIME
Use
the
SELECT
button
to
select universal
time
(UT).
Simultaneously
press
both the
SELECT
and
the
CONTROL
buttons
to
enter
the
set
mode.
The
tens
of
hours
digit
will
start
flashing.
The
—
i
CONTROL
button
has
full
control
of
the
flashing
digit,
and
each
r'
button
push
increments
the
digit.
Once
the
tens
of
hours
is
set
the
SELECT
button
selects
the
next
digit
to
be
set.
After
the last
digit
has
been selected
and
set
with the
CONTROL
button,
a
final
push
of
the
SELECT
button
exits the
set
mode.
The
lighted
annunciator
|
JP*S
will
resume
its
normal
flashing,
indicating
the
clock is
running
in
t
universal time
mode.
SETTING
LOCAL
TIME
f!iPN
Use
the
SELECT
button
to
select
local
time
(LT).
Simultaneously
press
both the
SELECT
and
the
CONTROL
buttons
to
enter
the
set
mode.
The
tens
of
hours
digit
will
start
flashing.
The
set
operation
is the
same
as
for
UT,
except
that
minutes
are
already
synchronized
with the UT
clock
and
cannot
be
set
in
local
time.
FLIGHT
TIME
RESET
Use the
SELECT
button
to
select
flight
time
(FT).
Hold the
CONTROL
button
down
for
3
seconds,
or
until
99:59
appears
on
the
display.
Flight
time
will
be
zeroed
upon
release
of
the
CONTROL
button.
Feb
28/00
S9-5
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