ASTRO XTL 2500 D
i
g
ita
l M
o
b
i
l
e
R
adio
81
T
run
k
in
g Op
eration
Locking onto a Site
I
n
areas
t
h
at
c
o
mm
on
ly h
a
v
e
w
ea
k
si
g
na
l
s
,
use
t
h
e
Sm
art
Z
one
l
o
ck
f
un
c
tion
to
p
re
v
ent
t
h
e
radio
f
ro
m
auto
m
ati
c
a
lly
s
c
annin
g f
or
a
ne
w
site
.
Site Trunking
I
n
a
Sm
art
Z
one
s
y
ste
m,
i
f
t
h
e
z
one
c
ontro
ll
er
f
or
a
p
arti
c
u
l
ar
site
f
ai
l
s
,
t
h
e
site
enters
into
a
site
-
trun
k
in
g
o
p
erationa
l m
ode
. I
n
t
h
is
m
ode
o
f
o
p
eration
,
t
h
e
user
c
an
on
ly c
o
mm
uni
c
ate
w
it
h
ot
h
er
units
at
t
h
e
sa
m
e
site
.
R
adios
in
a
Sm
art
Z
one
s
y
ste
m c
an
b
e
p
ro
g
ra
mm
ed
by
a
q
ua
l
i
f
ied
radio
te
ch
ni
c
ian
to
dis
pl
a
y
SITE
TRUNKING
wh
en
site
trun
k
in
g
b
e
c
o
m
es
a
c
ti
v
e
. Th
e
dis
pl
a
y
a
l
ternates
w
it
h
t
h
e
c
urrent
m
ode
dis
pl
a
y
as
l
on
g
as
t
h
e
radio
re
m
ains
in
site
trun
k
in
g. Th
e
radio
a
l
so
sounds
a
v
a
l
id
-k
e
y ch
ir
p wh
en
it
f
irst
dete
c
ts
site
trun
k
in
g.
1
P
ress
t
h
e
SITE
so
f
t
k
e
y m
o
m
entari
ly
to
dis
pl
a
y
t
h
e
c
urrent
l
o
ck
status
.
E
it
h
er
t
h
e
dis
pl
a
y
s
h
o
w
s
SITE LOCKED
or
SITE UNLOCKED
.
P
ress
HOME
b
utton
or
SITE
so
f
t
k
e
y
a
g
ain
to
return
to
nor
m
a
l
o
p
eration
.
2
T
o
ch
an
g
e
t
h
e
l
o
ck
ed
or
un
l
o
ck
ed
c
ondition
, p
ress
and
h
o
l
d
t
h
e
SITE
so
f
t
k
e
y
unti
l
a
tone
sounds
and
t
h
e
dis
pl
a
y ch
an
g
es
.
Af
ter
te
mp
orari
ly
dis
pl
a
y
in
g
t
h
e
ne
w c
ondition
,
t
h
e
radio
returns
to
nor
m
a
l
o
p
eration
.
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: ......
