Cessna 172P - Microphone - Headset Installations; Static Dischargers

SECTION
7
AIR,PLANE
& SYSTEMS
DESCR,IPTIONS
M ICROPHO
N
E- HEADSET
I
NSTALLATIONS
Three
types
of
micropbone-headset
installations
are
offered.
The
adjusted
for
volume
lovel
by
using the
selected
receiver
volume
controls.
NOTE
When transmitting,
with the
hand-held
microphone,
the
pilot
should
key the microphone,
place
the microphone
a,s
close
as
possible
to the lips
and speak
directty
into it.
STATIC DISCHARGERS
If
freguent
IFR, flights
are
planned,
i
dischargers
is
recommended
to improve
flight
through
dust
or various
forms
of
p
crystals).
Under
these
conditions,
the
build-
static
electricity
from
the trailing
edges of
the wings
peller
tips
and radio
antenna,s
can
result
in loss
of
on aII
communications
and navigation
radio
equipment.
usually
the ADF
is first
to be
affected
and
vHF communication
equipment
is
the
last
to
be
affected.
Instaìlation
of static
dischargers
reduces
interference
from
precipita-
CESSNA
MODEL
172P
7-36
30
May
1980