Piper Turbo Saratoga PA-32-301T Pilot's Manual page 277

PIPER
AIRCRAFT
CORPORATION SECTION
9
PA-32-301T, TURBO
SARATOGA
SUPPLEMENTS
(b)
COMPASS
SYSTEM
(1)
Emergency
Operation With Optional
NSD 360A(HSI)
Slaved
and
/
or
Non-Slaved:
NSD 360A
a.
Appearance
of
HDG
Flag:
I.
Check
air
supply
gauge
(vac
or pressure) for adequate
air
supply
(4
in. Hg.
min.).
2.
Check
compass circuit breaker.
3. Observe display for proper operation.
b.
To disable heading card
-
pull circuit breaker and use
magnetic
compass
for directional data.
NOTE
If heading
card is not operational,
autopilot
should not be used.
c.
With card disabled VOR/Localizer and Glide Slope dis-
plays are still functional;
use card set
to
rotate card to
aircraft heading for correct picture.
d.
Slaving
Failure
-
(i.e.
failure to
self correct for
gyro
drift):
1. Check
gyro slaving switch
is
set
to No. 1
position
(if
equipped
with
Slave No. 1- No. 2 switch) or
"Slaved"
position when equipped
with
Slaved
and Free Gyro
Mode
Switch.
2.
Check for HDG Flag.
3. Check
compass
circuit breaker.
4.
Reset heading card while observing
slaving meter.
NOTE
Dead slaving meter needle or a needle displaced
fully
one
direction indicates
a slaving system
failure.
5.
Select slaving amplifier No. 2, if
equipped.
If not
equipped, proceed with No. 7.
ISSUED: OCTOBER 2,
1980 REPORT: VB-1070
9-53