Toshiba A40 Series User Manual page 208

User's Manual
You place a call,
but a connection
can't be made
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
9-26
You can also use the ATX command. Refer to
Appendix C, AT Commands.
Make sure the settings are correct in your
communications application.
Make sure the tone or pulse selection in your
communications application is set correctly.
You can also use the ATD command. Refer to
Appendix C, AT Commands.
The computer will automatically cut off
communication when connection with the carrier
is not successful for a set time interval. Try
lengthening this time interval.
Check the error control setting in your
communications application.
You can also use the AT\N command. Refer to
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
protocol.
Check the rings before auto answer setting in
your communications application.
You can also use the ATS0 command. Refer to
Appendix D, S-registers.
If problems persist, contact your dealer.