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Page Title:
Switch Settings and Initialization |
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|  TB 11-5820-890-10-10
6.
Switch
Settings
and
Initialization.
The
following
tables
provide
the
necessary
switch
settings
and
communication
parameters
for
interoperability.
Initialize
the
DMD
for
communication
as
shown
in
Verify
the
switch
settings
for
both
the
radio
and
the
DMD;
then
establish
communication
on
the
net.
NON-ICOM
RADIO
SWITCH
I C O M RADIO
FUNCTION
SQ ON
SQ ON
MODE
S C or FH
S C or FH
DATA
TF
AD2
COMSEC
(TSEC/KY-57)
ON
CT
CT
*
N/A
OFF
Table 6-1. SINCGARS Radio Set
XMIT BLOCK:
SINGLE
XMIT RATE:
1200
.7
DMD
AN/PSG-5
7.
System Troubleshooting Procedures.
These
steps
will
assist
you
in
isolating
faulty
system
components
when
you
have
a
problem
communicating
in
a
net
using
data
transmission.
These
procedures
assume
that
the
net
and
secure
FH
voice
communication
has
been
established.
If
you
are
unable
to
communicate
using
data
transmission,
do
the
following
troubleshooting
steps
in
the
order
provided.
q
CHECK
LOCAL
RADIO.
Use
the
data
on
the
FH
voice
net
to
determine
that
the
radio
net
is
operating.
q
CHECK
WITH
OTHER
NET
MEMBERS.
Do
you
have
data
communication
with
some
stations
but
not
others?
The
other
station
may
be
out
of
range,
temporarily
off
the
air,
or
has
not
checked
into
the
net.
If
data
communication
can
be
established
with
another
station,
your
system
is
probably
OK
and
the
problem
may
be
at
the
distant
net
station.
q
CHECK
SYSTEM
CONFIGURATION.
Verify
proper
cabling,
initialization
and
subscriber
parameters,
radio
set
and
DMD
switch
settings,
etc.
NOTIFY
MAINTENANCE.
q
If
the
problem
cannot
be
isolated,
notify
unit
maintenance
personnel
and
inform
your
NCS
of
your
communication
problem.
3
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