ASTRO XTL 2500 D
i
g
ita
l M
o
b
i
l
e
R
adio
79
T
run
k
in
g Op
eration
Selecting Enable and Disable (Digital Modes Only)
Th
e
dis
p
at
ch
er
m
a
y cl
assi
fy
re
g
rou
p
ed
units
into
one
o
f
t
w
o
c
ate
g
ories
:
select-enabled
or
select-disabled
.
Requesting a Dynamic Regrouping
(Digital Modes Only)
Select-enabled
Units
are
f
ree
to
m
a
k
e
m
ode
ch
an
g
es
to
an
y
o
f
t
h
e
a
v
ai
l
a
bl
e
ta
lkg
rou
p
s
,
in
cl
udin
g
t
h
e
d
y
na
m
i
c
g
rou
p.
Select-disabled
Units
c
annot
ch
an
g
e
m
odes
b
e
c
ause
t
h
e
dis
p
at
ch
er
h
as
s
p
e
c
i
f
i
c
a
lly ch
osen
to
f
or
c
e
t
h
e
unit
to
re
m
ain
in
t
h
e
d
y
na
m
i
c m
ode
.
P
res
t
h
e
RPGM
so
f
t
k
e
y
to
re
q
uest
re
g
rou
p
in
g.
A h
i
gh-p
it
ch
ed
tone
sounds
,
indi
c
atin
g y
our
re
q
uest
w
as
re
c
ei
v
ed
by
t
h
e
s
y
ste
m’
s
c
entra
l c
ontro
ll
er
.
Th
e
dis
pl
a
y ch
an
g
es
to
REPROGRAM RQST
wh
i
l
e
t
h
e
re
q
uest
is
b
ein
g
p
ro
c
essed
.
If
t
h
e
re
g
rou
p
in
g
re
q
uest
is
acknowledged
,
a
dis
p
at
ch
er
-
a
ck
no
wl
ed
g
e
si
g
na
l
sounds
(f
our
h
i
gh-p
it
ch
ed
tones
),
and
t
h
e
dis
pl
a
y
s
h
o
w
s
ACK RECEIVED
.
Th
e
radio
t
h
en
returns
to
nor
m
a
l
o
p
eration
.
If
t
h
e
re
g
rou
p
in
g
re
q
uest
is
not acknowledged
w
it
h
in
si
x
to
ei
gh
t
se
c
onds
,
t
h
e
dis
pl
a
y
a
l
ternates
b
et
w
een
s
h
o
w
in
g
NO ACKNOWLEDGE
and
a
l
o
w-p
it
ch
ed
tone
sounds
.
A
t
t
h
is
ti
m
e
,
do
t
h
e
f
o
ll
o
w
in
g:
•
P
ress
t
h
e
PTT
b
utton
to
resend
t
h
e
re
g
rou
p
re
q
uest
OR
•
P
ress
t
h
e
HOME
b
utton
to
return
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: ......