Piper SENECA III - Page 327

PIPER
AIRCRAFT
CORPORATION
SECTION 9
PA-34
220T, SENECA
III
SUPPLEMENT
11
information
instead
of
ground
speed.
Radial displayed
will be
from
the
station in VOR
mode
and
from
the
waypoint
in
RNAV
modes.
(4)
CHK
BUTTON
Momentary
pushbutton.
Causes
radial and
distance
waypoint
parameters
to
show
radial
and
distance
from VOR
station
instead.
(5)
DATA
BUTTON
Momentary
pushbutton.
Causes
waypoint
data
display
to
change
from
FRQ
to
RAD
to
DST
and
back
to
FRQ.
(6)
OFF/ON/IDENT
CONTROL
a.
Power
OFF-ON/Volume
Function
-
Rotate
clockwise
for
power
ON.
b.
VOR
Audio Level
Control-
Rotate
clockwise
for increased
audio level.
c.
VOR
IDENT Mute
Function
-
Push-Pull
switch.
Enables
the
VOR Ident
tone
to
be
heard in
out
position.
(7)
DATA
INPUT
CONTROL
Dual
concentric
knobs,
right side
of
panel
-
Center knob
has
"in"
and
"out"
positions.
a.
Frequency
Data
Outer
knob
varies
l
MHz
digit.
A
carry
occurs
from
units
to
tens
position.
Rollover
occurs
from
117
to
108.
Center
knob
varies
frequency
in 50KHz
steps
("lN"
or
"OUT"
position).
b.
Radial Data
Outer
knob
varies
10 degree
digit.
A
carry
occurs
from
the
tens
to
hundreds
position.
A
rollover
to
zero
occurs
at
360
degrees.
Center
knob
"in"
position
varies
1 degree
digit.
Center
knob
"out"
position
varies
0.1
degree digit.
ISSUED:
JANUARY 8,
1981
REPORT:
VB-1110
3
of
4,
9-77