Garmin SL15M - Manual (Page 6)

6
SL
15
-S
eries Pi
lot
Gu
ide
In
SL
15 v
ersions
abov
e “
F
”
seri
al num
ber f
or the
top board (2
nd
set of
unit
se-
rial
nu
m
bers) a
pu
bli
c ad
dress
funct
ion
w
as ad
ded.
To
ac
cess
th
is f
un
ctio
n,
a
sw
itch
is
ins
talled
to connect the top c
onnector,
pin 18,
to
gr
ound.
This places
th
e
pilo
t m
icro
pho
ne on th
e
spea
ke
r
ou
tp
ut (Pin
W
) w
hen the PTT is pushed
.
The copilot can continue
to
use the
se
lected com
radio.
We recom
m
end that
the
sw
itch transf
er th
e audio f
rom
the
cock
pit speak
er to a
cabin speak
er f
or public
addres
s.
This w
ill
prev
ent f
eedback
.
4.2
K
ey
“
C
li
ck”
The SL
15 is equi
pped
w
it
h
a
“c
li
ck
”
fu
nc
tio
n that
prov
ide
s an aural f
eedbac
k
to the
user
in addition to the
tactile
but
ton
p
ush.
Thi
s sou
nd can be enab
led or
disabled by
sim
ultaneously
holding
th
e CO
M
1
an
d
COM
2
bu
tt
on
s i
n f
or
at
le
as
t 5 seconds.
Any
person hearing
the ra
di
os w
il
l a
lso
hear t
he
ke
y c
lick
.
Allow
at least 20
seconds betw
een
tu
rni
ng
th
e k
ey
cl
ick
o
n a
nd
of
f.
5
Split Mode
Turni
ng
th
e rotary
sw
itc
h t
o
C
OM
1/
C
OM
2
places the SL
15 into "
S
plit Mode."
This
places
the pilot on Com
1 and the
co
pilot on
Com
2.
An ex
am
ple of
this
usef
ul
feature is w
hen the pilot
m
ay
w
ant
to
talk
to
Air Traf
fi
c Co
ntrol,
w
hile
th
e
copil
ot m
ay
b
e
spea
ki
ng
to Flig
ht Wat
ch.
A
ltho
ug
h this m
ode has lim
it
a-
ti
ons
(see
bel
ow
)
w
e be
liev
e y
ou
w
il
l f
ind
thi
s to
b
e a
usef
ul
f
eatu
re.
Sw
it
chi
ng
to
Co
m
2/
Com
l w
il
l rev
erse
the
“
S
pl
it
Mod
e” radi
o
sel
ectio
n.
The
pi
lot
w
il
l b
e
on
Com
2
and the cop
ilo
t w
ill be on Com
1.
NOTE
Due
to
th
e
nat
ure o
f VH
F co
mmu
nica
tio
ns si
gna
ls,
an
d t
he
size co
nstrai
nts
in
gen
era
l avia
tio
n aircraft
, it
is prob
abl
e
that
th
ere
wi
ll be some
bl
eed-over in
th
e
Sp
li
t m
ode
, part
icul
arly on ad
jacen
t freque
ncies.
U
P
S
Avi
ati
on
Tech
nol
ogi
es
mak
es no
wa
rra
nty ab
out
th
e su
ita
bil
ity of Sp
lit
Mod
e
in
all
aircraf
t c
ond
itio
ns.
Sp
lit Mode does not
turn o
ff other
(Nav,
ADF, etc.) sel
ected au
dio to
pilot
. How
ever
,
the
cop
ilot will on
ly
hear
the
selected communications receiver.
5.1
Spli
t
Mode IC
S
In
split m
ode,
the pilot and copilot are
usually
isolated f
rom
each other on
the
in
tercom
, sim
ul
taneo
usly
using
th
ei
r respectiv
e
radios. Depressing
the
ICS
bu
t-
to
n in Split
Mo
de w
ill acti
vat
e
V
OX in
terc
om
b
etw
een the pi
lot
an
d
copi
lot
po
siti
ons.
Thi
s
perm
its
int
erco
m
m
unicat
ion
w
hen
d
esired
b
etw
een
the
crew
.
Pressin
g the I
C
S
bu
tto
n ag
ai
n disabl
es
th
is
cr
ew
in
tercom
f
unct
ion.
6
In
tercom Op
era
tion
6.1
Intel
liVox® V
O
X-Squel
ch
No
ad
ju
stm
ent
o
f th
e
Int
elli
Vox
® s
quelch
control
is
necessary
. There
is no
11
SL
15-
Series Pilot
Guide
ju
stm
ent lo
cated on
th
e top
of
the un
it.
See Se
ctio
n
2.
5
A
three-
position sw
itch is used to set th
e receiv
er sensitiv
ity
and
to test the in-
dicator lam
ps.
Us
e "
HI
"
sensiti
vi
ty
in
iti
ally
. Thi
s al
low
s y
ou
to
h
ear th
e o
uter
m
ark
er
beacon about a m
ile out. Then select
the “
LO
”
sensi
tiv
ity
to g
iv
e y
ou a
m
ore a
ccurate
locat
ion
o
f
th
e O
uter M
ark
er.
The m
om
entary
dow
n sw
itch posi-
ti
on is m
ark
er test,
la
bel
ed "
T
/M
"
an
d
illu
m
inate
s all
th
ree
lam
ps sim
ul
tane-
ou
sly
to
assu
re the lam
ps (inte
rnal
an
d ex
ternal) are
in w
ork
ing
order.
TST
do
es
no
t acti
vate
MM sense out
put
.
In
un
its w
ith seri
al num
bers
ab
ov
e
“F
”
serie
s
in
th
e f
irst
set o
f nu
m
bers,
a
m
ark
er
m
ute
fu
nction w
as added.
Pressing
the m
ark
er m
ode
selec
t dow
n (to
“T
/M”) w
ill cause the
m
ark
er
audio
to
m
ute f
or tha
t beacon. The nex
t beacon
receiv
ed w
ill re
-activ
at
e
the audio.
9
Int
ernal Recorder
Sy
stem
(Optional)
The I
ntercom
Recor
ding
Sy
stem
(ref
erred to
he
re a
s th
e I
R
S) i
s a d
ig
ita
l rec
ord
in
g
sy
stem
al
low
ing
au
tom
ati
c st
orag
e and p
lay
back
of
aircraf
t radi
o t
raf
fic.
Opera
ting
as
a continuous loop recorder
, (f
irs
t m
essag
e receiv
ed w
ill be the
la
st
heard),
the recorder has one m
inute
of
recordin
g tim
e or
up
to 16
m
es-
sag
es.
Wit
h its ow
n
bu
il
t in VO
X circ
uit,
there are no
bu
tto
ns
to
press to start
recording
. The sy
stem
autom
atically
beg
in
s to
record the in
st
ant th
e
radi
o
be
-
com
es activ
e.
Only
aircraf
t ra
dio audio
in
p
ilo
ts h
eadset
is
reco
rde
d a
nd
onl
y
the
pilot w
ill hear
the play
ba
ck
audio.
9.1
Inte
rnal Re
cord
er Ope
ration
Recording
is
autom
atic; there is no ac
tio
n requ
ired
by
th
e
pilo
t. To
pl
ay
ba
ck
the
last recorde
d
m
essag
e, sim
ply
pres
s
the
m
om
entary
sw
itch associated w
ith
the I
R
S.
Each additional press
of
the bu
tt
on
w
ill
pl
ay
th
e
prec
eding
recorded
m
essag
e.
You m
ust w
ait f
or the
m
essag
e to
f
inish play
ing
bef
ore
access
ing
the
prior m
es
sag
e.
To cance
l the play
back
, press and hold
the pl
ay
back
bu
tto
n f
or tw
o second
s.
The nex
t tim
e the
bu
tto
n is
pr
essed,
th
e nex
t earlier
m
essag
e w
ill be heard.
9.2
A
udio Me
ssa
ging sy
st
em (Option 1, Optio
n
2
,
on
ly
)
W
hen
th
is o
ptio
n
is i
nstal
led,
th
e
SL
15
contains six
stored m
ess
ag
es. An
out-
side annunciator,
such
as an
Electronics
In
ternationa
l e
ng
ine
ga
ge
sy
stem
trig
-
ge
rs these m
ess
ag
es. When there is
an
announcem
ent, it w
ill
be
repeated ev
ery
tw
o
secon
ds u
nti
l the
rem
ote-
m
ou
nted
A
C
K
but
ton
is
pu
sh
ed.
Th
is sto
ps t
he
pl
ay
ed annu
nciat
ion
, un
til th
e
ne
xt
an
nou
ncem
ent
is req
uired (the nex
t f
al
lin
g