Casio FX-9750G User manual

Data Communications

This chapter tells you everything you need to know to transfer pro-

grams between the fx-9750G and certain CASIO Graphic Scientific

Calculator models connected with an optionally available SB-62

cable. To transfer data between a unit and a personal computer,

you will need to purchase the separately available CASIO FA-122

Interface Unit.

This chapter also contains information on how to use the optional

SB-62 cable to connect to a CASIO Label Printer to transfer screen

data for printing.

20-1 Connecting Two Units

20-2 Connecting the Unit with a Personal Computer

20-3 Connecting the Unit with a CASIO Label Printer

20-4 Before Performing a Data Communication Operation

20-5 Performing a Data Transfer Operation

20-6 Screen Send Function

20-7 Data Communications Precautions

Chapter

364

20-1 Connecting Two Units

The following procedure describes how to connect two units with an optional SB-62

connecting cable for transfer of programs between them.

uTo connect two units

1. Check to make sure that the power of both units is off.

2. Remove the covers from the connectors of the two units.

• Be sure you keep the connector covers in a safe place so you can replace them

after you finish your data communications.

3. Connect the two units using the SB-62 cable.

SB-62 cable

• Keep the connectors covered when you are not using them.

365

20-2 Connecting the Unit with a Personal

Computer

To transfer data between the unit and a personal computer, you must connect them

through a separately available CASIO FA-122 Interface Unit.

For details on operation, the types of computer that can be connected, and hardware

limitations, see the user’s manual that comes with the FA-122.

uTo connect the unit with a personal computer

1. Check to make sure that the power of the unit and the personal computer is off.

2. Connect the personal computer to the FA-122 Interface Unit.

3. Remove the cover from the connector of the unit.

• Be sure you keep the connector cover in a safe place so you can replace it after

you finish your data communications.

4. Connect the unit to the FA-122 Interface Unit.

5. Switch on the power of the unit, followed by the personal computer.

• After you finish data communications, switch off power in the sequence: the unit

first, and then the personal computer. Finally, disconnect the equipment.

fx-9750G

366

20-3 Connecting the Unit with a CASIO Label

Printer

After you connect the unit to a CASIO Label Printer with an optional SB-62 cable,

you can use the Label Printer to print screen shot data from the unit. See the User’s

Manual that comes with your Label Printer for details on how to perform this opera-

tion.

• The operation described above can be performed using the following Label Printer

models: KL-2000, KL-2700, KL-8200 (as of October 1996).

uTo connect the unit with a Label Printer

1. Check to make sure that the power of the unit and the Label Printer is off.

2. Connect the optional SB-62 cable to the Label Printer.

3. Remove the cover from the connector of the unit.

• Be sure you keep the connector cover in a safe place so you can replace it after

you finish your data communications.

4. Connect the other end of the SB-62 cable to the unit.

5. Switch on the power of the unit, followed by the Label Printer.

• After you finish data communications, switch off power in the sequence: the unit

first, and then the Label Printer. Finally, disconnect the equipment.

SB-62 cable

fx-9750G

Label Printer

367

20-4 Before Performing a Data Communication

Operation

In the Main Menu, select the LINK icon and enter the LINK Mode. The following data

communication main menu appears on the display.

Image Set:Off...... Indicates the status of the graphic image send features.

Off: Graphic images not sent.

On: Pressing Msends graphic images.

1(TRAN)..... Menu of send settings

2(RECV) .... Menu of receive settings

6(IMGE) ..... Menu of graphic image transfer settings

Communications parameters are fixed at the following settings.

• Speed (BPS): 9600 bits per second

• Parity (PARITY): NONE

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368

20-5 Performing a Data Transfer Operation

Connect the two units and then perform the following procedures.

Receiving unit

To set up the calculator to receive data, press 2(RECV) while the data communi-

cation main menu is displayed.

2(RECV)

The calculator enters a data receive standby mode and waits for data to arrive.

Actual data receive starts as soon as data is sent from the sending unit.

Sending unit

To set up the calculator to send data, press 1(TRAN) while the data communica-

tion main menu is displayed.

1(TRAN)

Press the function key that corresponds to the type of data you want to send.

1(SEL)........ Selects data items and sends

2(CRNT) .... Selects data items from among previously selected data items

and sends

6(BACK)..... All memory contents, including mode settings

uTo send selected data items

Press 1(SEL) or 2(CRNT) to display a data item selection screen.

1(SEL) or 2(CRNT)

Data items

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369

1(SEL)........ Selects data item where cursor is located.

6(TRAN)..... Sends selected data items.

Use the fand ccursor keys to move the cursor to the data item you want to

select and press 1(SEL) to select it. Currently selected data items are marked

with “'”. Pressing 6(TRAN) sends all the selected data items.

• To deselect a data item, move the cursor to it and press 1(SEL) again.

Only items that contain data appear on the data item selection screen. If there are

too many data items to fit on a single screen, the list scrolls when you move the

cursor to the bottom line of the items on the screen.

The following are the types of data items that can be sent.

Data Item Contents Overwrite Password

Check*1Check*2

Program Program contents Yes Yes

Mat nMatrix memory (A to Z) contents Yes

List nList memory (1 to 6) contents Yes

File nList file memory (1 to 6) contents Yes

Y=Data Graph expressions, graph write/

non-write status, View Window No

contents, zoom factors

G-Mem nGraph memory (1 to 6) contents Yes

V-Win nView Window memory contents No

Picture nPicture (graph) memory (1 to 6) data No

DynaMem Dynamic Graph functions Yes

Equation Equation calculation coefficient values No

Variable Variable assignments No

F-Mem Function memory (1 to 6) contents No

*1No overwrite check: If the receiving unit already contains the same type of data, the existing

data is overwritten with the new data.

With overwrite check: If the receiving unit already contains the same type of data, a mes-

sage appears to ask if the existing data should be overwritten with the new data.

Performing a Data Transfer Operation 20 - 5

370

1(YES) ....... Replaces the receiving unit’s existing data with the new data.

6(NO) ......... Skips to next data item.

*2With password check: If a file is password protected, a message appears asking

for input of the password.

Name of password protected file

Password input field

6(SYBL) ..... Symbol input

After inputting the password, press w.

uTo execute a send operation

After selecting the data items to send, press 6(TRAN). A message appears to

confirm that you want to execute the send operation.

6(TRAN)

1(YES) ....... Sends data.

6(NO) ......... Returns to data selection screen.

Press 1(YES) to send the data.

1(YES)

• You can interrupt a data operation at any time by pressing A.

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20 - 5 Performing a Data Transfer Operation

Data item name

371

The following shows what the displays of the sending and receiving units look like

after the data communication operation is complete.

Sending Unit Receiving Unit

Press Ato return to the data communication main menu.

uTo send backup data

This operation allows you to send all memory contents, including mode settings.

While the send data type selection menu is on the screen, press 6(BACK), and

the back up send menu shown below appears.

6(BACK)

Press 6(TRAN) to start the send operation.

6(TRAN)

The following shows what the displays of the sending and receiving units look like

after the data communication operation is complete.

Sending Unit Receiving Unit

Press Ato 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.

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Performing a Data Transfer Operation 20 - 5

372

20-6 Screen Send Function

The following procedure sends a bit mapped screen shot of the display to a con-

nected computer.

uTo send the screen

1. Connect the unit to a personal computer or to a CASIO Label Printer.

2. In the data communication main menu, press 6(IMGE), and then select “On”

for Image Set.

6(IMGE)

1(OFF) ........ Graphic images not sent

2(ON) .......... Bit map

3. Display the screen you want to send.

4. Set up the personal computer or Label Printer to receive data. When the other

unit is ready to receive, press Mto start the send operation.

You cannot send the following types of screens to a computer.

• The screen that appears while a data communication operation is in progress.

• A screen that appears while a calculation is in progress.

• The screen that appears following the reset operation.

• The low battery message.

• The flashing cursor is not included in the screen image that is sent from the

unit.

• If you send a screen shot of any of the screens that appear during the data

send operation, you will not be able to then use the sent screen to proceed with

the data send operation. You must exit the data send operation that produced

the screen you sent and restart the send operation before you can send addi-

tional data.

• You cannot use 6mm wide tape to print a screen shot of a graph.

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