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Software Vault: The Gold Collection
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Software Vault - The Gold Collection (American Databankers) (1993).ISO
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SEVEN.TXT
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1993-04-19
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SPORTSTER 14,400
CHAPTER 7. QUERIES AND HELP SCREENS
USER INQUIRIES (IN)
The Inquiry command has six options.
The most commonly used options display
the following information.
ATI4 Current settings
ATI5 NVRAM settings
I0The modem returns a product code. If
you have a problem and call
USRobotics' Technical Support Depart
ment, you may be asked for this
product code.
I1The modem performs a checksum of its
read only memory (ROM) and returns
the result to the screen. This
function is used only in factory
testing. The modem should always
read the same number.
I2The modem performs a test of its
random access memory (RAM) and
returns either the OK (0) or ERROR
(4) result code, followed by OK when
the test is completed. You may want
to use this command as a checkpoint
if the modem appears to be
malfunctioning.
I3Reserved.
I4The modem displays its current
configuration. Figure 7.1 on the
following page is an example.
Figure 7.1_Sample Current Settings Screen
I5The modem displays the configuration
stored in nonvolatile random access
memory (NVRAM), as in the following
example.
Figure 7.2_Sample NVRAM Settings Screen
I6Reserved.
I7The modem returns a product
configuration. If you have a problem
and call USRobotics' Technical
Support staff, you may be asked to
read this screen.
S-REGISTER QUERY (SR?)
This command allows you to view the
contents of a particular S-Register, as
in the following example that requests
the contents of Register S0 ("On what
ring will the modem answer?").
ATS0? <Enter>
STORED PHONE NUMBER QUERY (&Z?)
At this command, the modem returns the
phone number stored in NVRAM, as in the
following example that includes a sample
modem response.
AT&Z? <Enter>
5551234
HELP SCREENS
Sportster 14,400 modems provide four
Help screens: summaries of the basic
AT command set, extended ampersand (&)
command set, Dial command options, and
S-Register functions.
Stop/Restart Display
The following command stops the display.
Hold down the Control key and type "S".
<Ctrl>-S
To restart the display, use the same
command or press <any key>.
Cancel Display
Either of the following commands cancels
the display.
<Ctrl>-C
<Ctrl>-K
Basic Command Set ($)
At AT$, the Sportster 14,400 displays a
screen that shows a partial summary of
the command set. A second screen, acti
vated by pressing any key, shows the
remaining commands. The first screen
is shown in Figure 7.3.
Figure 7.3_Sample Basic Commands HELP Screen
Ampersand Command Set (&$)
At AT&$, the Sportster 14,400 displays a
screen that shows a partial summary of
the extended ampersand command set. A
second screen, activated by pressing any
key, shows the remaining command set.
The first screen is shown in Figure 7.4.
Figure 7.4_Sample Ampersand Commands HELP Screen
Dialing (D$)
At ATD$, the Sportster 14,400 displays
the Dial command summary.
Figure 7.5_Sample Dial Command HELP Screen
S-Register Functions (S$)
At ATS$, the Sportster 14,400 displays
a screen that shows a partial summary
of the S-Register functions. A second
screen, activated by pressing any key,
shows the remaining registers. The
first screen is as follows.
Figure 7.6_Sample S-Register HELP Screen