Casio CFX-9970G Service Manual Download Page 24 | Manualshive

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Countermeasure

Meaning

Meaning

Message

Undefined • No solution exists for the operation being • Change the input expression.

performed in the ALGBR Mode.

Overflow • The resulf of the operation being perform- • Change the input expression.

ERROR ed in the AKGBR Mode exceds the range
of the calculator.

Domain • An input value in the ALGBR Mode is out- • Change the input expression.

ERROR side the domain of the operation being
performed.

Non-Real • In the ALGBR Mode, only real numbers 1 Change the setting of Answer type

ERROR have been input and the result is complex to “Cplx”.
number while the set up screen’s Answer 2 Change the input expression.
Type item is specified as “Real”.

No Solution • No solution can be obtained in the ALG- 1 Change the setting of Answer type
ERROR BR Mode using the Solve function. to “Cplx”.

2

2 Change the input expression.

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Summary of Contents for CFX-9970G

Page 1: ...R AUG 1997 CFX 9970G without price CFX 9970G ZX 936A ...

Page 2: ...A COMMUNICATIONS 4 1 Connecting Two Units 10 4 2 Before Starting Data Communications 10 4 3 Performing Data Transfer Operation 11 4 4 Data Communication Precautions 14 5 OPERATION CHECK 15 6 TO SAVE THE DATA 18 7 TROUBLESHOOTING 20 8 OPERATION PROBLEMS 21 9 ERROR MESSAGE 22 10 SCHEMATIC DIAGRAMS 25 11 PARTS LIST 30 12 EXPLODED VIEW 30 ...

Page 3: ...nuous display of main menu Approximately 2 years power off The ALGBR Mode requires more electrical power than other modes so extensive use of the ALGBR Mode shortens battery life Back up Approximately 2 years Auto power off Power is automatically turned off approximately six minutes after last operation except when drawing dynamic graphs The calculator automatically turns off if it is left for abo...

Page 4: ...e meaning of each icon Icon Mode Name Description RUN Use this mode for arithmetic calculations and function calculations and for calculations involving binary octal decimal and hexadeci mal values STATistics Use this mode to perform single variable standard deviation and paired variable regression statistical calculations to perform tests to analyze data and to draw statistical graphs MATrix Use ...

Page 5: ...mode to obtain mathematical expression results using natural mathematical display notation LINK Use this mode to transfer memory contents or back up data to another unit SYStem Use this mode to check how much memory is used and remaining to delete data from memory and to initialize reset the calculator It also lets you adjust display contrast 2 2 Color Contrast Adjustment Adjust the color whenever...

Page 6: ...se the cursor and keys to move the pointer so it is next to the color ORANGE BLUE GREEN whose tint you want to adjust 2 Press the cursor key to give the color greener tint and the cursor key to give it an orange tint Holding down either key changes the setting at high speed To exit the color adjustment screen Press MENU to return to the Main Menu It is recommended that you always adjust the CONTRA...

Page 7: ...e back cover from the unit by pulling with your finger at the point marked 1 4 Remove the four old batteries 5 Load a new set of four batteries making sure that their positive and negative ends are facing in the proper directions 6 Replace the back cover 7 Turn the calculator front side up and slide off its case Next press AC ON to turn on power Be sure that the positive and negative poles of each...

Page 8: ...same time Be sure to replace the back up power supply battery at least once 2 years regardless of how much you use the unit during that time Failure to do so can cause data in memory to be deleted 1 Press SHIFT OFF to turn the calculator off Warning Be sure to turn the unit off before replacing batteries Replacing batteries with power on will cause data in memory to be deleted 2 Making sure that y...

Page 9: ...wn to RESET and then press EXE 3 Press F1 YES to reset the calculator or F6 NO to abort the operation without resetting anything 4 Press MENU If the display appears too dark or dim after you reset the calculator adjust the tint If the calculator stops operating correctly for some reason use a thin pointed object to press the P button on the back of the calculator This should make the RESET screen ...

Page 10: ...ctors covered when you are not using them 4 2 Before Starting Data Communications In the Main Menu select the LINK icon and enter the LINK Mode The following data communication main menu appears on the display Select the LINK icon then press EXE button Image Set Indicates the status of the graphic image send features Off Graphic images not sent Monochrome Pressing F D sends graphic images in monoc...

Page 11: ... from among previously selected data items and sends them BACK all memory contents including mode settings To send selected data items Press F1 SEL or F2 CRNT to display a data item selection screen SEL selects data item where cursor is located TRAN sends selected data items Use the and cursor keys to move the cursor to the data item you want to select and press F1 SEL to select it Currently selec...

Page 12: ...ents Overwrite Check 1 Yes Yes Yes Yes No Yes No No Yes No No No Password Check 2 Yes SYBL symbol input After inputting the password press EXE YES replaces the receiving unit s existing data with the new data NO skips to next data item 2 With password check If a file is password protected a message appears asking for input of the password Data item name 1 No overwrite check If the receiving unit a...

Page 13: ...by pressing AC To 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 F6 BACK and the back up send menu shown below appears Press F6 TRAN to start the send operation Press AC to return to the data communication Main Menu Sending Unit Receiving Unit The following shows what the displays of the ...

Page 14: ... 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 ...

Page 15: ...TRAST COLOR O B G INIT IN A MEMORY CLEARED PRESS MENU KEY RESET RESET ALL MEMORIES RESET ALL YES NO F1 F6 NOTE Reset TEST mode menu The contrast changes automati cally Min Max default TEST mode menu Check for display Check for display Check for display Check for display STEP 1 2 3 4 5 6 7 8 9 10 Performing this operation check the data stored in this calculator is deleted If you want not to delete...

Page 16: ... Push the key se quentially indicated on the display TEST mode menu ROM check The display shown to the left appears about 6 seconds later DISPLAY All blue dots are displayed Checkers are displayed Reverse checkers are displayed Trace Trace Zoom V Window 3017 4MbitROM 3017 4MbitROM ROM OK CALC SUM READ SUN 3020 8MbitROM ROM OK CALC SUM READ SUN OPERATION Press EXE button Press EXE button Press EXE ...

Page 17: ...E 4MbitROM 8MbitROM 1 Cnt 6 ROM 2 LCD 7 RAM 3 KEY 8 CYC 4 DET 9 3020 5 TRS 0 Rst NOTE TEST mode menu RAM check The display shown to the left appears about 10 seconds later TEST mode menu OPERATION Press EXE button Press 7 button Press EXE button Press 0 button Press F1 button Press MENU button Press SHIFT then AC ON button STEP 21 RESET RESET ALL MEMORIES F1 F6 N O RESET ALL YES MAIN MENU OFF No d...

Page 18: ... case To connect the CSF Unit to another CSF Unit 1 Make sure that the power of both units are switched off 2 Remove the covers from the data communications jacks on the two CSF Units 3 Connect the two units using the SB 62 cable 6 TO SAVE THE DATA AC ON 1 5 2 F6 ab c F6 ab c AC ON 5 1 1 STEP g OPERATION A unit B unit OPERATION ZX936 TEST MODE 4MbitROM 8MbitROM 1 Cnt 6 RON 2 LCD 7 RAM 3 KEY 8 CYC ...

Page 19: ...nit B unit OPERATION OPERATION NOTE TEST mode menu OPERATION 8 9 10 0 Self 1 Send 2 Receive 0 Self 1 Send 2 Receive 5 0 Self 1 Send 2 Receive 0 Self 1 Send 2 Receive 6 RECEIVING COM OK WAITING Press button 7 ZX936 TEST MODE 4MbitROM 8MbitROM 1 Cnt 6 RON 2 LCD 7 RAM 3 KEY 8 CYC 4 DET 9 3020 5 TRS 0 Rst Take the steps as same as the end of 5 OPERATION CEHCK to end this check Take the steps as same a...

Page 20: ...r switch Poor connection on PC joiner Poor soldering on LSI capacitor or resistor Weak battery Dirt or poor contact on battery Poor contact on power switch Poor connection on PC joiner Defective LSI capacitor or resistor Poor contact between LCD and PCB Poor soldering on LSI Dirt on key contact Heavy key motion Poor soldering on LSI Defective LSI capacitor or resistor Constant contact is made on a...

Page 21: ... of Hang Up Should the unit hang up and stop responding to input from the keyboard press the P button on the back of the calculator to reset the memory Note however that this clears all the data in calculator memory Low Battery Message The low battery message apppears whenever you press AC ON to turn power on or MENU to display the Main Menu while the main battery power is below a certain level If...

Page 22: ...enerated and cor rect it 2 Use or to display the point where the error was generated and then correct the program 1234 Check the input numeric value and cor rect it When using memories check that the numeric values stored in memories are correct 5 Try using a smaller value for x x incre ment decrement 6 Try changing the tolerance tol when using Gauss Kronrod Rule or the num ber of divisions n when...

Page 23: ... list function Not enough memory to input coefficient for equation Not enough memory to hold equation cal culation result Not enough memory to hold function input in the Graph Mode for graph drawing Not enough memory to hold function input in the DYNA Mode for graph drawing Not enough memory to hold function or recursion input Incorrect argument specification for a command that requires an argumen...

Page 24: ...e in the ALGBR Mode is out Change the input expression ERROR side the domain of the operation being performed Non Real In the ALGBR Mode only real numbers 1 Change the setting of Answer type ERROR have been input and the result is complex to Cplx number while the set up screen s Answer 2 Change the input expression Type item is specified as Real No Solution No solution can be obtained in the ALG 1...

Page 25: ... 25 Main block 1 10 SCHEMATIC DIAGRAMS To Key block To Display drive block To Main block 2 P button ...

Page 26: ... 26 Main block 2 To Main block 1 To Memory block ...

Page 27: ... 27 Key block To Main block 1 ...

Page 28: ... 28 To Main block 1 Display drive block Sub ass y Contrast adj Sub ass y ...

Page 29: ... 29 Memory block 8M ROM To Main block 2 ...

Page 30: ... C N 17 6421 1020 BUTTON A211169 5 1 C N 18 6421 1030 BUTTON A211172 4 1 C N 19 6421 1040 BUTTON A312937 3 1 C N 20 6421 1050 BUTTON A211316 12 1 C N 21 6421 1060 BUTTON A313257 12 1 C N 22 6421 1070 BUTTON A313257 13 1 C N 23 6421 1080 BUTTON A313257 14 1 C N 24 6421 1090 BUTTON A312914 4 1 C N 25 6421 1100 BUTTON A341741 2 1 C 26 6402 2480 DECORATIVE SCREW A L163 A412682 1 1 C N 27 6420 6910 PCB...

Page 31: ... 31 17 22 21 25 23 24 20 18 19 12 EXPLODED VIEW 2 2 ...

Page 32: ...8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 Japan Telephone 03 3347 4926 MA0900171A Printed in Japan ...

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