Page 2 - CONTENTS
— 2 — CONTENTS 1. SPECIFICATIONS ............................................................................................................ 3 2. GENERAL GUIDE ............................................................................................................. 5 3. BATTERY REPLACEMENT .......
Page 3 - Memory Capacity; Model; Telephone Directory; seconds per day
— 3 — 1. SPECIFICATIONS Memory Capacity Memory capacity differs according to model. The following shows the memory capacity for each availablemodel. Model Memory SF-4700L 64K bytes SF-4900L 128K bytes The following shows the number or items that can be stored in each model (SF-4700L/4900L). Telephon...
Page 4 - Operating temperature:
— 4 — General: Display element: 16-column × 4-line LCD Main component: LSI Power supply: Three lithium batteries (CR2032) Current consumption: Telephone top menu (Backlight from EL doesn't shine)-600 µ A (MAX.) Telephone top menu (Backlight from EL shines)-12.6 mA (MAX.)OFF- 19 µ A (MAX.) Low batter...
Page 5 - described bellow.
— 5 — Display Numeric Keys Connector Terminal Light key Cursor Keys Keyboard Lock Mode Keys Power OFF Key Power ON/ Clear key 2. GENERAL GUIDE The following illustration shows the names of the main controls of the SF-4700L/4900L. Setting Up the SF Unit After batteries are loaded, use the following p...
Page 6 - highlighting to NO and then press SET.; turn power on, replace batteries as soon as possible.; To turn on the EL backlight
— 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 editing of data), you must perform the RESET operation to clear thememory of all data. Before doing so, you may want to recall important data and write i...
Page 7 - memory; To adjust the display contrast
— 7 — Remaining memorycapacity Total number ofcharacters stored in memory To adjust the display contrast 1. Enter the Telephone Directory Mode. • You could enter any mode except the Calculator mode here.2. Press SHIFT CONT.3. Use the and keys to adjust the contrast. 4. After you are finished, press ...
Page 8 - BATTERY REPLACEMENT; Before replacing the batteries, note the following precaution:; REPLACE
— 8 — 3 2 1 + + + 3. BATTERY REPLACEMENT Before replacing the batteries, note the following precaution: • Be sure to replace all batteries with a full set of new ones, and do not mix old batteries with new ones. 1. Press OFF to switch power OFF. 2. Slide the battery compartment cover in the directio...
Page 9 - to move the highlighting to YES.; RESET button
— 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 and initialize the settings of the SF Unit.Remember-you should always keep copies of important data by writing it down, by transferring it to anothe...
Page 10 - Mode display before power off; How to transfer the data
— 10 — S T E P O P E R A T I O N D I S P L A Y N O T E 1 Press [ON] button on Unit2 . 2 Press RESET button onUnit 2. 3 Press [SET] button onUnit 2. 4 Press [SET] button onUnit 2. 5 Press [CAL] button onUnit 2. 0 6 Press [1], and then [TIMEDATE] button on Unit 2. 1 9 0 1 / Mode display before power o...
Page 12 - CPU; because the CPU cannot be replaced.
— 12 — Pin No. Pin Name I n p u t / O u t p u t F u n c t i o n 1 CSRA1 O Control for EL driver 2 CSRA2 O Chip selecting signal for RAM 4 WEB O Write enable signal for RAM 5 ~ 21 RA16,RA15,A14 ~ A0 O Address bus 22 ~ 29 IO7 ~ IO0 I / O Data bus 30 ~ 45 KY15 ~ KY0 I Key input signal 4 6 SW I Detectio...
Page 13 - DIAGNOSTIC PROGRAM; Bottom View
— 13 — S T E P O P E R A T I O N D I S P L A Y N O T E 1 Press [ON] while shortingthe Test pad. SELF TEST PROG. PRESS SET KEY QUIT BY OFFCASIO FEB 1996 Press [OFF] button at this step,data saved in the Unit are notdisappeared (erased). 2 Press [set] button. TEST MENU 1 DISP Main menu 3 Press [1] but...
Page 18 - SCHEMATIC DIAGRAMS; Main Block; Model name
— 19 — 9. SCHEMATIC DIAGRAMS Main Block Model name SF-4700LSF-4900L RAM CAPACITY LSI2 LSI3 LSI4 CB1 CB2 CB3 IC4 IC7 64KB 128KB × × × × × × × × × usednot used
Page 19 - Key Block