124
Appendix: Maritime Radio Use in the
VHF Frequency Range
Special Channel Assignments
Emergency Channel
If y
ou
are
in
i
mm
inent
and
g
ra
v
e
dan
g
er
at
sea
and
re
q
uire
e
m
er
g
en
cy
assistan
c
e
,
use
VHF Channel 16
to
send
a
distress
c
a
ll
to
near
by v
esse
l
s
and
t
h
e
United
S
tates
Coast
Guard
. T
rans
m
it
t
h
e
f
o
ll
o
w
in
g
in
f
or
m
ation
,
in
t
h
is
order
:
1
“MAYDAY, MAYDAY, MAYDAY.”
2
“T
H
IS IS _____________________,
C
ALL SI
G
N __________.”
State the name of the vessel in distress
3 times
, followed by the
call sign or other identification of the vessel, stated
3 times
.
3
R
e
p
eat
“MAYDAY”
and
t
h
e
na
m
e
o
f
t
h
e
v
esse
l.
4
“WE ARE LO
C
ATED AT _______________________.”
State the position of the vessel in distress, using any information
that will help responders to locate you, e.g.:
• latitude and longitude
• bearing (state whether you are using true or magnetic north)
• distance to a well-known landmark
• vessel course, speed or destination
5
S
tate
t
h
e
nature
o
f
t
h
e
distress
.
6
Sp
e
c
i
fy wh
at
k
ind
o
f
assistan
c
e
y
ou
need
.
7
S
tate
t
h
e
nu
mb
er
o
f p
ersons
on
b
oard
and
t
h
e
nu
mb
er
needin
g
m
edi
c
a
l
attention
,
i
f
an
y.
8
M
ention
an
y
ot
h
er
in
f
or
m
ation
t
h
at
w
ou
l
d
b
e
h
e
lpf
u
l
to
res
p
onders
,
su
ch
as
t
yp
e
o
f v
esse
l, v
esse
l l
en
g
t
h
and
/
or
tonna
g
e
, h
u
ll c
o
l
or
,
et
c.
9
“OVER.”
10
W
ait
f
or
a
res
p
onse
.
11
If y
ou
do
not
re
c
ei
v
e
an
i
mm
ediate
res
p
onse
,
re
m
ain
by
t
h
e
radio
and
re
p
eat
t
h
e
trans
m
ission
at
inter
v
a
l
s
unti
l y
ou
re
c
ei
v
e
a
res
p
onse
. B
e
p
re
p
ared
to
f
o
ll
o
w
an
y
instru
c
tions
g
i
v
en
to
y
ou
.
Содержание ASTRO XTL 2500
Страница 1: ...Control Head User s Guide ASTRO XTL 2500 Digital Mobile Radio ...
Страница 2: ......
Страница 4: ......
Страница 8: ...iii Notes ...
Страница 14: ...ix Notes ...
Страница 36: ...22 Multiple Control Head Features Notes ...
Страница 98: ...84 Trunking Operation Notes ...
Страница 124: ...110 ARS User Login and Text Messaging Features Notes ...
Страница 132: ...118 Troubleshooting Notes ...
Страница 142: ...128 Appendix Maritime Radio Use in the VHF Frequency Range Notes ...
Страница 146: ...132 Glossary Notes ...
Страница 152: ...138 Commercial Warranty and Service Notes ...
Страница 158: ...144 Index Notes ...
Страница 163: ......