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3.

REPLACING BATTERIES

1

Switch the power of the calculator off.

2

Slide the battery compartment cover on the back of the unit
in the direction indicated by the arrow.

3

Remove the two old batteries.

4

Load two new batteries into the calculator so that their
positive 

+

 and negative 

-

 ends are facing properly. Be

sure to replace all two batteries with new ones.

5

Replace the battery compartment cover, sliding it in the
direction opposite that indicated by the arrow.

6

Perform the RESET operation described below.

Important

Data stored in memory can be corrupted or lost if battery power drops below a certain level. When
this happens, you must perform the RESET operation to restore normal operation. Note that the
RESET operation clears all data from memory. Because of this, you should be sure to keep written
copies of all important data to avoid losing it due to low battery power.

4.

RESET OPERATION

You should perform the RESET operation whenever you want to initialize the calculator.

Warning!

The procedure described here clears all memory contents. Never perform this operation unless you
want to totally clear the memory of the calculator.
If you need the data currently stored in memory, be sure to write it down somewhere before per-
forming the RESET operation.

• To reset the calculator
Press

MENU

to display the Main menu, and use the cursor keys to highlight the RESET icon. And

then press

EXE

.

Press

EXE

to reset the calculator, or

EXIT

to abort the reset operation.

EXE

RESET

RESET

RESET OK?

YES 
   PRESS   [EXE]
NO  
   PRESS   [EXIT]

:

:

✽✽✽✽✽✽✽✽✽✽✽✽✽

   MEMORY
   ALL CLEARED!

✽✽✽✽✽✽✽✽✽✽✽✽✽

Summary of Contents for fx-7300G

Page 1: ...fx 7300G LX 377AT MAR 1995 R without price fx 7300G INDEX ...

Page 2: ...CONTENTS 1 SCHEMATIC DIAGRAM 1 2 SPECIFICATIONS 3 3 REPLACING BATTERIES 4 4 RESET OPERATION 4 5 ERROR MESSAGE 5 6 OPERATION CHECK 7 7 EXPLODED VIEW 9 9 PARTS LIST 11 ...

Page 3: ... 1 1 SCHEMATIC DIAGRAM ...

Page 4: ... 2 ...

Page 5: ...f initial screen type R03 UM 4 Approximately 2 years power switch off with LR03 AM4 R03 UM 4 The batteries that have been installed in this unit when user pur chased it had been used in the factory test so it will be impossible to fully satisfy this specifications when these batteries are used Auto power off Power is automatically switched off approximately six minutes after last operation Ambient...

Page 6: ... to restore normal operation Note that the RESET operation clears all data from memory Because of this you should be sure to keep written copies of all important data to avoid losing it due to low battery power 4 RESET OPERATION You should perform the RESET operation whenever you want to initialize the calculator Warning The procedure described here clears all memory contents Never perform this op...

Page 7: ...s operating correctly for some reason use a thin pointed object to press the RESET button on the back of the calculator This should make the RESET confirmation screen appear on the display Perform the procedure described above to complete the RESET operation 5 ERROR MESSAGE Countermeasure 1Use or to display the point where the error was generated and correct it 2Use or to display the point where t...

Page 8: ... within the number of value memo ries currently available Simplify the data you are trying to store to keep it within the available memory capacity Delete no longer needed data to make room for the new data Correct the argument Sci n Fix n n integer from 0 through 9 Lbl n Goto n n integer from 0 through 9 or alpha character from A through Z Prog n n 0 through 9 Defm n n integer from 0 up to the nu...

Page 9: ... CLEARED SHIFT TEST mode menu 1 EXE EXE EXE Checkers are displayed EXE EXE EXE EXE 2 Check for keys Trace RESET OK YES PRESS NO PRESS EXE EXIT OFF Press G T AC ON keys at same time AC ON HARD TEST 0 RST EXIT 1 LCD 2 RAM 3 ROM 4 KEY All dots are displayed Check for display HARD TEST 0 RST EXIT 1 LCD 2 RAM 3 ROM 4 KEY TEST mode menu RAM Check 8K byte OK RAM check HARD TEST 0 RST EXIT 1 LCD 2 RAM 3 R...

Page 10: ...E X var Graph Range Check for keys To push the key sequentially that is being appeared in the display 17 HAND TEST 0 RST EXIT 1 LCD 2 RAM 3 ROM 4 KEY TEST mode menu 18 19 0 SHIFT OFF End MEMORY ALL CLEARED AC ON Trace X var Graph EXE ...

Page 11: ...over M and loosen the six screws H on the lower case 8 then open the lower case 2 Loosen the six screws I on the PCB ass y 1 and remove the PCB ass y 5 7 10 8 2 3 4 11 16 15 9 6 1 22 24 23 19 12 13 17 14 20 25 26 21 18 LSI1 7 EXPLODED VIEW ...

Page 12: ...20 C N 5 6414 7240 Sponge cushion FH100031202 2 20 C N 6 5610 8620 Heat seal FX22P000004 1 1 C N 7 5610 8590 Heat seal FX20P450101 1 1 C COMPONENTS N 8 6414 7130 Lower case FAB03771004 1 1 C N 9 6414 7140 Battery spring EF050EG2108 1 20 C N 10 6414 7150 Battery spring EF040FG2113 1 20 C N 11 6414 7160 Battery spring EF060EG2321 1 20 C N 12 6414 7050 Upper case FAA03771008 1 1 C N 13 6414 7060 Key ...

Page 13: ...8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 Japan Telephone 03 3347 4926 ...

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