Toshiba Satellite A200 User Manual page 190

Troubleshooting
Problem
After making a call
you can't hear a ring
Communication is cut
off unexpectedly
A CONNECT display is
quickly replaced by
NO CARRIER
Character display
becomes garbled
during a
communication
You cannot receive
an incoming call
9-20
Procedure
Make sure the tone or pulse selection in your
communications application is set correctly.
You can also use the ATD command. Refer to
the chapter on AT commands in online help files
for Appendix C, AT Commands.
The computer will automatically cut off commu-
nication when connection with the carrier is not
successful for a set time interval. Try lengthen-
ing this time interval.
Check the error control setting in your communi-
cations application.
You can also use the AT\N command. Refer to
the chapter on AT commands in online help files
for Appendix C, AT Commands.
In data transmission, make sure the parity bit
and stop bit settings correspond with those of
the remote computer.
Check the flow control and communication pro-
tocol.
Check the rings before auto answer setting in an
incoming call your communications application.
You can also use the ATS0 command. Refer to
the chapter on S-registers in online help files for
Appendix D, S-registers.
If problems persist, contact your dealer.
User's Manual