Casio CFX-9800G Specifications

RCFX-9800G(LX-392AA)MAR. 1995(without price)INDEX

— 8 —4-2. To Replace the Memory Back Up Battery* Before replacing the memory backup battery, switch on the unit and check to see if the "Lowbatte

— 9 —✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽✽RESETRESETALL MEMORIES?RESET ALLN OYESF14Use to select RESET and then pressEXE.5PressF1(YES) to reset the c

— 10 —• Be sure to always keep written copies of all important data in caseyou accidently delete it using the RESET operation.• If the calculator stop

— 11 —MessageNe ERRORStk ERRORMem ERRORArg ERRORDim ERRORMeaning• Nesting of subroutines by Prog n ex-ceeds 10 levels.• Execution of calculations that

— 12 —MessageTRANSMITERROR!RECEIVEERROR!MEMORYFULL!MeaningProblem with cable connection or param-eter setting during data communications.Problem with

— 13 —DISPLAYBlue dots are displayedCheckers are displayedReverse checkers are displayedTraceZoom, Plot, Line, ······ROMSIZE 4M byteROM OKRAMSIZE 64K

— 14 —OPERATIONEXE0F1SHIFTAC/ONSTEP22232425NOTETEST mode menuResetEndDISPLAY(OFF)LX392 TEST MODE1. LCD2. KEY3. RAM4. ROM5. DET6. TRS7. Cnt0. RstRESE

— 15 —EXIT+–ORANGEBLUEGREENCONTRASTCOLORIN.AINITO B GOPERATION7 or Take the steps as same as theend of OPERATION CHECK toend this adjustment.STEP6

— 16 —10. DATA TRANSFER CHECKTurn off both units and connect them by using the cable SB-60.PressF6ab/cAC/ONkeys at sametime.611EXE2EXEAC/ONTake the st

— 17 —Important• Keep the connectors of the CFX-9800G covered when you are not using them.11-2. Before Starting Data CommunicationsBefore actually sta

CONTENTS1. SCHEMATIC DIAGRAM1-1. Main PCB ... 11-2. Powe

— 18 —TRANSMIT DATAALLProgramEditorFunction MemoryMatrixStatisticsVariable MemoryRECEIVE DATAALLProgramEditorFunction MemoryMatrixStatisticsVariable M

— 19 —To Set CFX-9800G ParametersStarting from the LINK Mode:F6(SET) (or SHIFTSET UP)• This display shows the currently set parameters.Press the funct

— 20 —F1(YES)* Pressing AC interrupts the send operation andreturns to the LINK Mode.The following appears after the send operation iscomplete.* Press

— 21 —12. PIN FUNCTION12-1. CPU (HD62119A02)Pin No. Pin Name Input / Output Function1,3~12 KO1~KO10,KO12 O Key common signal14~20 KI1~KI7 I Key input

— 22 —12-2. ROM (MB834000CPF-G-4EP)Pin No. Pin Name Input / Output Function1 NC I Power supply2~12,23,25~31, A0~A18 I Address input13~15,17~21 D0~D7 O

— 23 —13. TROUBLESHOOTINGClean or adjust pressure ofcontactClean or replace powerswitchResolder or replaceResolderReplace batteryClean or adjust press

— 24 —14. DISASSEMBLY AND EXPLODED VIEW1. Loosen both J and M screws on the battery covers K and L after removing the hard case lfrom the body, and re

— 25 —5785504016171554 551856 5721202223246328272728192930252613375047124102114938394142434445464831363232343533515352501450

— 27 —Obverse side Reverse side12345678910 11141312C33C34J15Fig. 1. L392-1 assembly and L392-2 assembly.

15. PARTS LIST FOB JapanN Item Code No. Parts Name Specification Q M N.R.Yen R Unit PriceL392-1 ASS'Y N 1 6413 4940 PCB L392-1 Ass'y A14

— 1 —1. SCHEMATIC DIAGRAM1-1. Main PCBNOTES1. The terminals with mark are the checkingpoints for the power supply.2. The terminals with mark are t

FOB JapanN Item Code No. Parts Name Specification Q M N.R.Yen R Unit PriceN IC7 2105 4074 CMOS IC S-80724AL-AM-T1110 CJ1 3501 6538 Miniature jack

8-11-10, Nishi-ShinjukuShinjuku-ku, Tokyo 160, JapanTelephone: 03-3347-4926

— 2 —1-2. Power Supply and Key Block

— 3 —Current ConsumptionTYP [µA] MAX [µA]ON (MENU) 4610 5530OFF 152. SPECIFICATIONSDisplay system: Three colors (orange, blue, green); 16-character ×

— 4 —3. GENERAL GUIDE3-1. ModesYou can control the operations of the unit by entering the correct mode. To select the mode youneed, select the appropr

— 5 —TABLE ModeUse this mode to store a function or recursion formula, to generate a solution table ofvalues produced when the values of variables in

— 6 —✽✽ Low battery! ✽✽3-4. About Low Battery WarningIf the following message appears on the display, immediately stop using the calculator and replac

— 7 —4-1. To Replace the Main Power Supply Batteries* Never remove the main power supply and the memory back up batteries from the unit at the sametim