COURIER HIGH
SPEED
MODEMS
You'll find a list of NVRAM
options
and
factory settings
in
Appendix
B.
You
can
also
display
them
by
selecting
option
5 of
-
-
the I (inquiry)
command:
-
ATl5 <Enter>
If
you've
sent
the
modem
commands
to
change
settings
throughout
your
session
and
want
to
save
your
current
configu-
ration,
send
just the &W
command.
The
current
settings
are
saved.
AT&W
<Enter>
You
may
also specify
the
entire configuration
in
a single com-
mand
string
that
ends
with
the &W
command.
The following
example
sets the
modem
for
the
current
session
and
stores the
configuration
in
NVRAM.
AT
X4
&81
&H1
M3
&W
<Enter>
After
sending
a configuration to NVRAM,
you
can
change
any
setting just for
the
current
session, as
in
the
following example.
The NVRAM configuration
remains
intact.
A
TX7
<Enter>
But
if
you
want
the
new
setting to
be
a default,
write
it to
NVRAM
at
the
same
time, as in the following example.
X7
is
substituted
for the
X4
setting
stored
earlier.
AT
X7
&W
<Enter>
LOADING THE FACTORY DEFAULTS (&F)
If
DIP
switch
10 is
DOWN,
the
factory settings
are
loaded
at
power-on
instead
of the NVRAM defaults. Factory settings for
the
options
that
are
stored
in
NVRAM
are
in
Appendix
B.
If
the NVRAM defaults
are
loaded
at
power-on
(DIP
switch
10
OFF)
and
you
want
to
load
the factory defaults instead,
use
the
following
command:
AT&F
<Enter>
If
NVRAM defaults
are
loaded,
but
you
want
to
view
a screen
listing
of
factory defaults, first
load
them
(&F), to
make
them
the
current
settings.
Then
include
the
14
inquiry
option
to
display
a
listing
of
the
newly
current
settings, as in
the
following example.
AT&F
14
<Enter>
5-2 Internal Controls
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