Data Communication Precautions - Casio CFX-9970G Service Manual

The following shows what the displays of the sending and receiving units look like after the data communication
operation is complete.
Sending Unit
Press to return to the data communication Main Menu.
AC
• Data can become corrupted, necessitating a RESET of the receiving unit, should the connecting cable
become disconnected during data transfer. Make sure that the cable is securely connected to both units
before performing any data communication operation.

4-4. Data Communication Precautions

Note the following precautions whenever you perform data communications.
• An error occurs whenever you try to send data to a receiving unit that is not yet standing by to receive data.
When this happens, press
data.
• An error occurs whenever the receiving unit does not receive any data approximately six minutes after it
is set up to receive data. When this happens, press
• An error occurs during data communications if the cable becomes disconnected, if the parameters of the
two units do not match, or if any other communications problem occurs. When this happens, press
clear the error and correct the problem before trying data communications again. If data communications
are interrupted by
AC
in the memory of the receiving unit.
• An error occurs if the receiving unit memory becomes full during data communications. When this happens,
press to clear the error and delete unneeded data from the receiving unit to make room for the new
AC
data, and then try again.
• To send picture (graph) memory data, the receiving unit need 1-kbyte of memory for use as a work area
in addition to the data being received.
to clear the error and try again,after setting up the receiving unit to receive
AC
key operation or an error, any data successfully received up the interruption will be
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Receiving Unit
to clear the error.
AC
to
AC