Casio Fx-7400G PLUS Manual de usuario

Data Communications Chapter 9

163

Data Communications

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

grams between the fx-7400G PLUS and certain CASIO Graphic Sci-

entific 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 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.

1. Connecting Two Units

2. Connecting the Unit with a Personal Computer

3. Connecting the Unit with a CASIO Label Printer

4. Before Performing a Data Communication Operation

5. Performing a Data Transfer Operation

6. Screen Send Function

7. Data Communications Precautions

Chapter

Chapter 9 Data Communications

164

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.

Data Communications Chapter 9

165

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 Interface Unit.

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

limitations, see the user’s guide that comes with the Interface Unit.

Some types of data may not be able to be exchanged with a personal computer.

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 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 Interface Unit.

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

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

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

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166

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

guide that comes with your Label Printer for details on how to perform this operation.

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

models: KL-2000, KL-2700, KL-8200, KL-8700 (as of February 2002).

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. Turn on the power of the unit, followed by the Label Printer.

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

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

SB-62 cable

Label Printer

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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: ........... 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

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

Communication parameters are fixed at the following settings.

•Speed (BPS): 9600 bits per second

•Parity (PARITY): NONE

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Chapter 9 Data Communications

168

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. Ac-

tual 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 them

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

uTo send selected data items

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

1(SEL)

Data items

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Data Communications Chapter 9

169

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

4(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 4(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 types of data items can be sent.

Data Item Contents Overwrite Password

Check*1Check*2

Program Program contents Yes Yes

List nList memory (1 to 6) contents Yes

Y=Data

Graph expressions, graph write/

non-write status, View Window No

contents, zoom factors

V-WinView Window memory contents No

Variable Variable assignments 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.

Chapter 9 Data Communications

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

4(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

4(SYBL) ...... Symbol input

After inputting the password, press w.

uTo execute a send operation

After selecting the data items to send, press 4(TRAN). A message appears to

confirm that you want to execute the send operation.

4(TRAN)

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

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

Data item name

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Data Communications Chapter 9

171

Press 1(YES) to send the data.

1(YES)

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

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 4(BACK), and

the back up send menu shown below appears.

4(BACK)

Press 4(TRAN) to start the send operation.

4(TRAN)

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

after the data communication operation is complete.

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Chapter 9 Data Communications

172

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.

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 4(IMGE), and the following dis-

play appears.

4(IMGE)

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

2(On) ........... Bitmap

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.

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