Piper SENECA III - Page 323

PIPER
AIRCRAFT
CORPORATION
SECTION 9
PA-34-220T,
SENECA
III SUPPLEMENT 10
(3)
HOLD BUTTON
Two
position
pushbutton.
When
in
depressed
position,
inhibits
DME
from
channeling
to
a
new
station
when
the
VOR frequency is
changed.
Pushing the
button
again releases
the button
and channels
the
DME
to
the
station paired
with
the VOR
station.
(4)
USE
BUTTON
Momentary pushbutton.
Causes
active
waypoint
to
take
on same
value
as
displayed
waypoint and
data
display
to
go
to
FRQ
mode.
(5)
DSP
BUTTON
Momentary
pushbutton.
Causes
displayed
waypoint
to
increment
by I
and
data
display
to
go
to
frequency
mode.
(6)
DATA
BUTTON
Momentary
pushbutton.
Causes
waypoint
data
display
to
change from
FRQ
to
RAD
to
DST and back
to
FRQ.
(7)
OFF/PULL ID
CONTROL
a.
Rotate
counterclockwise
to
switch
off
power
to
the
KNS 80.
b.
Rotate
clockwise
to
increase audio
level.
c.
Pull
switch
out to
hear VOR Ident.
(8)
DATA
INPUT
CONTROL
Dual
concentric
knobs. Center knob has
"in"
and "out"
positions,
a.
Frequency Data
Outer knob
varies
i MHz
digit.
A
carryover
occurs
from
the
units
to tens
position.
Rollover
occurs
from
I 17
to
108
or
vice
versa.
Center knob
varies
frequency in
.05
M Hz
steps
regardless
of
whether the
switch is
in its
"in"
or
"out"
position.
ISSUED:
JANUARY 8,
1981
REPORT:
VB-1110
3 of
4,
9173