Casio SF-4700L Specifications

RSF-4700L (ZX-454 A,B)SF-4900L (ZX-454 E,F)(without price)JUL. 1997SF-4700L

— 10 —STEP OPERATION DISPLAY NOTE1Press [ON] button on Unit2.2Press RESET button onUnit 2.3Press [SET] button onUnit 2.4Press [SET] button onUnit 2.5P

— 11 —STEP OPERATION DISPLAY NOTE7Press [2] and then [TIMEDATE] button on Unit 2.1901/ 2/8Press [3] and then [M+]button on Unit 2.1901/ 2/ 39Pre

— 12 —Pin No. Pin Name Input/Output Function1 CSRA1 O Control for EL driver2 CSRA2 O Chip selecting signal for RAM4 WEB O Write enable signal for RAM5

— 13 —STEP OPERATION DISPLAY NOTE1Press [ON] while shortingthe Test pad.SELF TEST PROG. PRESS SET KEY QUIT BY OFFCASIO

— 14 —STEP OPERATION DISPLAY NOTE11Press [2] button to select"2 MEMORY".MEMORY 1 WR12 READ1Memory Check12Press [1] button to select"

— 15 —STEP OPERATION DISPLAY NOTE2122Press [set] button. Main menu23Press [LIGHT] button. TESTMENU

— 16 —STEP OPERATION DISPLAY NOTE29Press [1] buttons on Unit1 to select "1 TRANS".Ready to transmit30Press [2] buttons on Unit2 to select &

— 17 —Message Meaning ActionNO DATA! Search operation attempted when nodata is stored in memory.Current search operation cannotbe performed.NOT FOUND!

— 19 —9. SCHEMATIC DIAGRAMSMain BlockModel nameSF-4700LSF-4900LRAM CAPACITY LSI2 LSI3 LSI4 CB1 CB2 CB3 IC4 IC764KB128KB ×××××× ×××usednot used

— 20 —Key Block

— 2 —CONTENTS1. SPECIFICATIONS ...32. GENERAL

— 21 —10. EXPLODED VIEW4510123712131168914ELBZ1161518171920

11. PARTS LISTQuantityN Item Code No. Parts Name Specification 4700L 4900L RABEFLCD ASSYN 1 6420 6170 HEAT SEAL A341754-1 1111BN 2 3335 6617 LCD CD112

N Item Code No. Parts Name Specification Q Available RN 20 6420 6090 CASE/LOWER A140695-1 1 made in A/ E XN 20 6420 8350 CASE/LOWER A140695-2 1 Malays

MA0900671A

— 3 —1. SPECIFICATIONSMemory CapacityMemory capacity differs according to model. The following shows the memory capacity for each availablemodel.Model

— 4 —General:Display element: 16-column × 4-line LCDMain component: LSIPower supply: Three lithium batteries (CR2032)Current consumption:Telephone top

— 5 —DisplayNumericKeysConnectorTerminalLight keyCursor KeysKeyboardLockMode KeysPower OFFKeyPower ON/Clear key2. GENERAL GUIDE The following illu

— 6 —After a data error is discovered, you will not be able to input or edit data. In order to return memory tonormal (allowing further input and edi

— 7 —Remaining memorycapacityTotal number ofcharacters stored inmemoryTo adjust the display contrast1. Enter the Telephone Directory Mode. • Yo

— 8 —321+++3. BATTERY REPLACEMENTBefore replacing the batteries, note the following precaution:• Be sure to replace all batteries with a full set of n

— 9 —The following procedure erases all data stored in the memory of the SF Unit. Perform the following operationonly when you want to delete all data