6
I
ntrodu
c
tion
Setting the Volume
Adjusting the Display Brightness
Using the navigation keys
R
otate
t
h
e
Volume
k
no
b cl
o
ckw
ise
to
in
c
rease
t
h
e
v
o
l
u
m
e
and
c
ounter
cl
o
ckw
ise
to
de
c
rease
t
h
e
v
o
l
u
m
e
.
P
ress
t
h
e
di
mm
er
b
utton
(
DIM
)
to
ch
an
g
e
t
h
e
dis
pl
a
y b
ri
gh
tness
to
one
o
f f
our
l
e
v
e
l
s
:
•
Off
to
h
i
gh
•
Hi
gh
to
m
ediu
m
•
M
ediu
m
to
l
o
w
•
L
o
w
to
o
ff
I
n
Off, b
ot
h
t
h
e
dis
pl
a
y
and
b
a
ckl
i
gh
t
are
o
ff (
used
f
or
sur
v
ei
ll
an
c
e
o
p
erations
).
Wh
en
a
cc
essin
g
a
f
eature
on
t
h
e
radio
,
use
t
h
e
l
e
f
t
or
ri
gh
t
to
ggl
es
on
t
h
e
na
v
i
g
ation
k
e
y
to
a
cc
ess
f
urt
h
er
o
p
tions
w
it
h
in
t
h
e
m
enu
.
If y
ou
c
annot
l
o
c
ate
a
m
enu
ite
m,
it
m
a
y
not
b
e
p
ro
g
ra
mm
ed
,
or
it
m
a
y
not
a
pply
to
t
h
e
radio's
c
urrent
m
ode
settin
g.
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: ......
