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Q
The Q option lets you determine whether modem messages
are displayed on your screen. By default, your modem dis¬
plays messages.in response to your commands. These mes¬
sages are listed in
Appendix D.
If you don't want messages
displayed, type Al Q1.
V
The V option lets you determine whether modem messages
are displayed in words or numbers. By default, all messages
are displayed in words. If your program does not handle or
display these messages well, type ATVO to display them in
numbers. (See
Appendix D
for a list of modem messages
and their number equivalents.)
X
The X option lets you determine which set of modem mes¬
sages will be displayed and allows the modem to monitor the
progress of your call. By default, the basic message set is
used by the modem. This set excludes the CONNECT 1200
message which identifies your communication speed as 1200
bps. If you want this message included, choose the extended
message set by typing ATX1. If you want the extended mes¬
sage set plus the NO DIALTONE message, type ATX2. If you
want the extended message set plus the NO DIALTONE and
BUSY messages, type ATX4. (See
Appendix D
for a complete
list of the modem messages.)
Using the S Registers
Table
3 (on page 27) lists the 19 S registers supported by the
SX212 Modem along with their defaults and the range of values
that can be used with each register. It is unlikely that you will
need to change any of the S register defaults for mosf of your
telecommunications. This section is intended only for users
who want to customize the operation of their modem for non¬
standard applications or special equipment.
Note:
Several S registers have not been documented in this
manual because their defaults, values, and functions may vary
depending on the internal design of your modem. These regis¬
ters are described as "reserved " and should not be changed.
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