Garmin SL15M User Manual
Page 7
10
SL
15
-S
eries Pi
lot
Gu
ide
sw
itches m
ounted adjacent to
the
heads
et jack
s.
W
hen th
e
in
tercom
is
in
ALL
m
ode,
th
e pil
ot can speak
o
n the ph
one onl
y if
th
e m
ic selec
tor sw
itch
is
in
TE
L
p
ositi
on.
A
ll in
tercom
p
ositi
ons w
ill hear the
te
lephone conv
ersation. I
f
any
passeng
er
places
his
or her s
w
itch into
the “
of
f-
hook
” position
all pas
seng
ers w
ill als
o
be
h
eard
o
n the ph
one.
All w
ill
h
ear
selec
ted
audio.
Com
1 audio is
autom
ati
cally
heard
in the headsets. The pilot
an
d c
opi
lot
w
ill
h
av
e
transm
it
capab
ili
ty
o
n C
om
1
, sim
ply
by
u
sing
th
eir re-
spectiv
e
PTT sw
itch.
In
CR
EW
m
ode, the pilot
and copilot
are
m
ay
use
the telephone, w
ith
their
respectiv
e hook
sw
itch (the pilot select
s TEL
on the m
ic s
elector). Any
passen-
ge
r w
ho plac
es th
eir
sw
itch
in
to
th
e
of
f-
ho
ok
po
si
tio
n w
ill also hav
e
ac
cess to
the phone,
and all
fo
ur pa
ss
eng
ers w
ill
h
ear
th
e conv
ersation.
In
ISO
inte
rco
m
m
ode,
w
hen the SL
15
is
in
the
TEL
m
ode,
the pi
lot po
sitio
n
is in th
e
"P
hon
e
B
oot
h."
On
ly
th
e pilo
t w
ill hear
th
e telep
hon
e, and
o
nly
he w
ill
be
he
ard. He w
ill also hav
e access
to
Co
m
1,
and
w
ill transm
it on that
radio
using
the
PTT. All
selected audio is prov
id
ed.
I
f any
othe
r passeng
er g
oes
“o
ff
hook
” they
w
ill
hear the phone.
In
all
cases,
only
the pilot (and copilo
t in AL
L
or
CREW) w
ill hear the cell-
phone
ring
. At
that tim
e they
can chose
to
a
llow
a
pa
sse
ng
er to tak
e
th
e call,
or
ans
w
er the
phone.
N
O
TE
Because
the
cel
l p
hon
e u
ses an
in
terco
m
circuit
, al
l st
atio
ns
on
tha
t circui
t w
ill
lo
se
in
tercom
ca
pab
ilit
y w
hen
th
e cel
l pho
ne
is i
n u
se.
8
M
arker Beacon (SL15)
The optional Mark
er
Be
acon Receiv
er
us
es
v
isual
and audio indica
tors to alert
yo
u w
hen the a
ircraf
t passes ov
er a
75 MHz trans
m
itter.
The
Blu
e l
am
p,
lab
eled
"
O
,"
is
th
e O
ute
r
Mark
er
lam
p and has an associated
40
0 Hertz '
dash'
ton
e. The lam
p and
tone w
ill be k
ey
ed
at
a rate of
tw
o to
nes/
fl
ashes per
second w
hen
the aircraf
t is in the
ra
ng
e of
the Ou
ter
Mark
er Be
acon.
The
Am
ber lam
p,
la-
be
led "
M
,"
is the Mid
dle Mark
er
la
m
p
and is
coup
led w
ith a 130
0 Hertz ton
e.
It
is k
ey
ed alt
ern
ately
w
ith short '
dot
' an
d long
'd
ash'
bursts
at
9
5 com
bin
atio
ns
pe
r m
inut
e.
The Wh
ite lam
p,
label
ed "
I,
"
is
th
e
In
ner
m
ark
er
an
d has
a 30
00 Hertz '
do
t'
tone.
The lam
p and
tone w
ill be k
ey
ed
at
a rate
of
s
ix
tim
es
per second.
The audio f
rom
the
Mark
er
Beacon
Rec
eiv
er can be heard by
selecting
the
"M
KR
" pu
sh
-butt
on sw
itch
. To
ad
ju
st
th
e v
ol
um
e
le
ve
l, the
re is
a
serv
ice ad-
7
SL
15-
Series Pilot
Guide
fi
eld a
djus
tm
ent.
Throug
h three
indiv
idual
sig
nal processors,
the am
bient nois
e
ap
pearing
in
all six
m
icroph
ones is constan
tly
bein
g sam
pled
. Non
-v
oi
ce
sig
-
na
ls
are blo
ck
ed
. Whe
n
so
m
eo
ne speak
s,
onl
y th
eir m
icroph
one circui
t open
s,
placing
their v
oice on the
intercom
.
The sy
st
em
is desig
ned
to
b
lock
cont
inu
ous ton
es,
theref
ore
pe
opl
e
hu
m
m
in
g
or w
histli
ng
in
m
on
oto
ne m
ay
be bl
ock
ed
af
te
r a
fe
w
m
om
en
ts.
NOTE
Fo
r co
nsiste
nt perfo
rma
nce, an
y he
ad
se
t micro
pho
ne
mu
st be
p
laced
wit
hin
¼-
inc
h o
f
yo
ur
lip
s,
pr
ef
er
ab
ly
ag
ain
st
th
em
. (r
ef:
RT
CA/
D
O
-2
14
,
1.
3.1.1 (a
)).
It
is also a
go
od
idea to k
eep the m
icr
oph
one ou
t o
f
a direct w
ind
p
ath.
Mov
ing
yo
ur head
throug
h
a v
ent air
stream
m
ay
cause the
Intel
liVox
®
to
o
pe
n mo
me
n-
ta
ril
y.
Th
is is
no
rm
al
.
The
Intel
liVox
® is desig
ned to
w
ork
w
ith no
rm
al aircraf
t cab
in no
ise
le
ve
ls
(70
dB
and abov
e).
I
t lov
es airpla
ne noise!
Theref
ore,
it m
ay
not recog
nize
speech
and c
lip
sy
llables in
a quiet cabin,
s
uch
as in
th
e
hang
ar,
or w
ith
out
th
e
eng
ine
runn
ing
. This is norm
al.
For o
ptim
um
m
icroph
one
perf
orm
an
ce,
UPS A
viat
ion
Tech
nol
og
ie
s
reco
m
-
m
end
s in
stalla
tion
o
f a Microph
one
Mu
ff
Kit
f
ro
m
Oreg
on Aero (1
-8
00-
88
8-
69
10).
Thi
s w
ill
n
ot
onl
y op
tim
iz
e V
OX
perf
orm
an
ce,
bu
t w
ill
im
prov
e th
e
ov
erall clarity
of
al
l y
our com
m
uni
catio
ns.
6.2
Volume C
o
ntrol
The v
olum
e con
tro
l k
nob adju
sts
th
e lou
dness of
th
e inte
rcom
f
or th
e
pilo
t a
nd
co
pilo
t onl
y.
I
t h
as n
o e
ff
ect
on
selec
ted
rad
io
lev
els,
m
usic
in
put
le
ve
ls
or p
as-
seng
ers'
v
olum
e lev
el.
A
djust
th
e radi
os a
nd
int
erco
m
v
olu
m
e
fo
r a
com
fortabl
e l
isteni
ng
le
ve
l f
or th
e
pi
lot
. Most g
eneral av
iat
ion
h
eadsets tod
ay
ha
ve
bui
lt-
in
v
olu
m
e con
trols;
there
fore,
pass
eng
er
vo
lum
e ca
n be a
djus
ted at the headset. I
f
des
ired, passen-
ge
r v
olum
e lev
el can be adju
st
ed by
a
screw
dri
ve
r
ad
justm
en
t a
t t
he top
o
f th
e
tray
. See
th
e instal
lati
on m
anual
f
or detai
ls.
6.
2.
1
M
o
n
o
h
ea
d
se
ts
i
n
Ste
reo
In
st
al
la
tio
n
All passeng
er heads
ets
are
connected in
parallel.
Theref
ore, if
a m
ona
ura
l headset is plug
ge
d in to a
SL
15 Stereo
installation,
one channel w
ill be
sh
or
te
d.
A
lt
hou
gh
no
d
am
ag
e
to
th
e un
it
w
ill
occu
r,
all
pass
eng
ers
w
ill
lose one channel,
unles
s the
y
sw
itch
to
th
e
“M
ON
O”
m
ode
on
th
e h
eadset.
6.3
Intercom Modes
The lo
w
er sw
it
ch on the
le
ft
sid
e
is
a 3-
posit
ion
m
od
e
sw
itc
h
th
at all
ow
s
th
e
pi
lot
to
tailo
r
th
e i
ntercom
f
uncti
on
to
be
st
m
eet
th
e cu
rrent
co
ck
pi
t si
tuat
ion
.