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5-2
C
HAPTER
5: W
ORKING
WITH
M
EMORY
Example:
Sending
ATI5
will display NVRAM settings on your screen.
To see a complete listing of the permanent settings stored in Flash
memory see
Appendix C
, Flow Control Templates.
Working with RAM
and NVRAM
You can change any setting just for the current session. For example
setting your Business Modem to
AT&N8
will only allow a connection to a
remote devices at a rate of 14400 bps until the modem is reset. Once the
modem is reset, the default variable connection rate will be
re-established.
If you want the new setting to be a default, write it to NVRAM at the
same time. From the example above, you would send
AT&N8&W
to the
modem. The new default setting for your Business Modem will only allow
a 14400 bps connection to a remote device.
To restore NVRAM factory defaults use the AT&Fn command. See
Appendix B,
Alphabetic Command Summary
, for more information on
setting &Fn.
Saving a Phone
Number to NVRAM
CAUTION:
Do not include modem commands in
AT&Z
n
=
s.
Example:
To store the phone number 555-6789 at position 2, type
AT&Z2=555-6789
.
If you want to dial the phone number you saved, type
ATDS2
.
For your modem to Command
Write the phone number (
s
) to a position (
n
) in memory. You can
store up to 10 phone numbers of up to 40 characters each in
positions 0-9.
AT&Z
n
=
s
Display the number stored in the last-dialed number buffer
ATDL?
Display the phone number stored in NVRAM at position n, where
n = 0*9.
AT&Z
n
?