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User's Manual
9-18
TROUBLESHOOTING
After making a call Make sure the tone or pulse selection in your
you can’t hear a ring communications application is set correctly.
You can also use the ATD command. Refer to
Appendix C,
AT Commands
.
Communication is The computer will automatically cut off
cut off unexpectedly communication when connection with the carrier
is not successful for a set time interval. Try
lengthening this time interval.
A CONNECT display Check the error control setting in your
is quickly replaced by communications application.
NO CARRIER
You can also use the AT\N command. Refer to
Appendix C,
AT Commands
.
Character display In data transmission, make sure the parity bit
becomes garbled and stop bit settings correspond with those
during a of the remote computer.
communication
Check the flow control and communication
protocol.
You cannot receive Check the rings before auto answer setting in
an incoming call your communications application.
You can also use the ATS0 command. Refer to
Appendix D,
S-registers
.
If problems persist, contact your dealer.