ASTRO XTL 2500 D
i
g
ita
l M
o
b
i
l
e
R
adio
83
T
run
k
in
g Op
eration
Trunked Announcement
Th
e
announ
c
e
m
ent
c
a
p
a
b
i
l
it
y
a
ll
o
w
s
a
user
to
m
a
k
e
announ
c
e
m
ents
to
t
h
e
entire
user
g
rou
p,
as
w
e
ll
as
m
onitor
ta
lkg
rou
p c
a
ll
s
and
ot
h
er
announ
c
e
m
ents
.
A
nnoun
c
e
m
ent
c
a
ll
s
are
h
and
l
ed
in
t
w
o
di
ff
erent
w
a
y
s
,
de
p
endin
g
on
t
h
e
trun
k
ed
c
entra
l c
ontro
ll
er
c
on
f
i
g
uration
. Th
e
t
w
o
t
yp
es
are
c
a
ll
ed
ruthless
and
non-ruthless
p
ree
mp
tion
.
•
Ruthless Preemption
: Wh
en
a
rut
hl
ess
p
ree
mp
tion
announ
c
e
m
ent
c
a
ll
is
initiated
,
t
h
e
re
q
uestin
g
radio
b
e
g
ins
trans
m
ittin
g
i
mm
ediate
ly. All
asso
c
iated
ta
lkg
rou
p c
a
ll
s
ta
k
in
g
pl
a
c
e
on
ot
h
er
ch
anne
l
s
are
i
mm
ediate
ly h
a
l
ted
,
and
t
h
e
radios
are
steered
to
t
h
e
announ
c
e
m
ent
c
a
ll.
T
rans
m
ittin
g
radios
c
ontinue
to
trans
m
it
unti
l
t
h
e
PTT b
utton
is
re
l
eased
,
at
wh
i
ch
ti
m
e
t
h
e
y
a
l
so
un
m
ute
f
or
t
h
e
announ
c
e
m
ent
c
a
ll. I
ndi
v
idua
l c
a
ll
s
(P
ri
v
ate
Con
v
ersation
and
te
l
e
ph
one
inter
c
onne
c
t
)
are
not
a
ff
e
c
ted
.
•
Non-Ruthless Preemption
: Wh
en
a
non
-
rut
hl
ess
p
ree
mp
tion
announ
c
e
m
ent
is
initiated
,
t
h
e
initiatin
g
unit
re
c
ei
v
es
a
te
l
e
ph
one
-
t
yp
e
b
us
y
tone
, f
o
ll
o
w
ed
by
a
c
a
ll b
a
ck wh
en
a
ll
asso
c
iated
ta
lkg
rou
p c
on
v
ersations
end
.
O
n
c
e
an
announ
c
e
m
ent
c
a
ll
is
p
endin
g,
an
y
atte
mp
ts
by
ot
h
er
users
to
initiate
a
ta
lkg
rou
p c
a
ll w
i
ll
resu
l
t
in
a
te
l
e
ph
one
-
t
yp
e
b
us
y
tone
. Th
ese
users
w
i
ll
not
re
c
ei
v
e
a
c
a
ll b
a
ck
unti
l
t
h
e
announ
c
e
m
ent
c
a
ll
is
c
o
mpl
ete
.
Initiating an Announcement
If y
our
radio
h
as
b
een
p
ro
g
ra
mm
ed
to
a
ll
o
w
announ
c
e
m
ent
c
a
ll
s
:
1
R
otate
t
h
e
Mode
k
no
b
to
l
o
c
ate
t
h
e
announ
c
e
m
ent
-g
rou
p
m
ode
.
2
P
ress
t
h
e
m
i
c
ro
ph
one
PTT
b
utton
to
initiate
t
h
e
announ
c
e
m
ent
.
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: ......
