Casio CFX-9970G, Service Manual

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Sending Unit

Receiving Unit

The following shows what the displays of the sending and receiving units look like after the data communication
operation is complete.

Press

AC

to return to the data communication Main Menu.

• 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

AC

to clear the error and try again,after setting up the receiving unit to receive

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

AC

to clear the error.

• 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

AC

to

clear the error and correct the problem before trying data communications again.  If data communications
are interrupted by

AC

key operation or an error, any data successfully received up the interruption will be

in the memory of the receiving unit.

• An error occurs if the receiving unit memory becomes full during data communications.  When this happens,

press

AC

to clear the error and delete unneeded data from the receiving unit to make room for the new

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.