12
I
ntrodu
c
tion
Continuous
,
l
o
w-p
it
ch
ed
tone
Ill
e
g
a
l M
ode
I
ndi
c
ates
t
h
at
y
ou
h
a
v
e
entered
a
m
ode
wh
ere
nor
m
a
l
s
y
ste
m
tra
ff
i
c w
i
ll b
e
m
issed
,
or
y
ou
are
atte
mp
tin
g
so
m
et
h
in
g
wh
i
ch
is
not
p
er
m
itted
. Ex
a
mpl
es
in
cl
ude
: f
or
g
ettin
g
to
e
x
it
t
h
e
te
l
e
ph
one
inter
c
onne
c
t
m
ode
a
f
ter
a
c
a
ll
ends
(fl
eet
and
su
bfl
eet
c
a
ll
s
c
annot
b
e
re
c
ei
v
ed
),
atte
mp
tin
g
to
trans
m
it
on
a
re
c
ei
v
e
-
on
ly
c
on
v
entiona
l m
ode
,
atte
mp
tin
g
to
se
l
e
c
t
a
d
y
na
m
i
c m
ode
wh
ere
no
d
y
na
m
i
c ID
assi
g
n
m
ent
h
as
b
een
m
ade
.
B
rie
f l
o
w-
p
it
ch
ed
tone
T
i
m
e
-O
ut
T
i
m
er
W
arnin
g
I
ndi
c
ates
t
h
at
y
our
p
resent
trans
m
ission
w
i
ll
soon
b
e
disa
bl
ed
.
S
in
gl
e
,
s
h
ort
,
h
i
gh-p
it
ch
ed
tone
V
a
l
id
K
e
y
I
ndi
c
ates
t
h
at
y
ou
p
ressed
a
v
a
l
id
k
e
y,
or
y
ou
entered
a
f
eature
c
on
f
i
g
uration
state
,
or
y
ou
are
re
c
ei
v
in
g
or
trans
m
ittin
g
in
t
h
e
cl
ear
m
ode
on
se
c
ure
m
ode
l
s
(w
it
h TX
C
l
ear
Al
ert
T
ones
ena
bl
ed
).
S
in
gl
e
, l
o
w-
p
it
ch
ed
tone
I
n
v
a
l
id
K
e
y
I
ndi
c
ates
t
h
at
y
ou
tried
to
m
a
k
e
an
in
v
a
l
id
k
e
y p
ress
,
or
t
h
at
an
e
m
er
g
en
cy
a
l
ar
m,
re
p
ro
g
ra
m
re
q
uest
,
or
status
/
m
essa
g
e
w
as
not
a
ck
no
wl
ed
g
ed
.
Uni
q
ue
ch
ir
p
in
g
sound
Dy
na
m
i
c
R
e
p
ro
g
ra
mm
in
g
I
ndi
c
ates
t
h
at
a
d
y
na
m
i
c ID
is
assi
g
ned
.
Uni
q
ue
, l
o
w-
p
it
ch
ed
ch
ir
p
in
g
sound
N
e
w M
essa
g
e
I
ndi
c
ates
t
h
e
arri
v
a
l
o
f
a
ne
w m
essa
g
e
.
Uni
q
ue
, h
i
gh-
p
it
ch
ed
ch
ir
p
in
g
sound
P
riorit
y
m
essa
g
e
I
ndi
c
ates
t
h
e
arri
v
a
l
o
f
a
p
riorit
y
m
essa
g
e
.
Tone Type
Name
Description
Summary of Contents for ASTRO XTL 2500
Page 1: ...Control Head User s Guide ASTRO XTL 2500 Digital Mobile Radio ...
Page 2: ......
Page 4: ......
Page 8: ...iii Notes ...
Page 14: ...ix Notes ...
Page 36: ...22 Multiple Control Head Features Notes ...
Page 98: ...84 Trunking Operation Notes ...
Page 124: ...110 ARS User Login and Text Messaging Features Notes ...
Page 132: ...118 Troubleshooting Notes ...
Page 142: ...128 Appendix Maritime Radio Use in the VHF Frequency Range Notes ...
Page 146: ...132 Glossary Notes ...
Page 152: ...138 Commercial Warranty and Service Notes ...
Page 158: ...144 Index Notes ...
Page 163: ......