Casio RE700 Service Manual

RE-700(ZX-735)

INDEX

AUG. 1995

(without price)

CONTENTS

OUTLINE ....................................................................................................................... 1

SPECIFICATIONS ......................................................................................................... 1

GENERAL GUIDE ......................................................................................................... 3

BATTERY REPLACEMENT.......................................................................................... 6

RESET OPERATION..................................................................................................... 7

TO SAVE THE DATA TO ANOTHER MACHINE.......................................................... 8

LSI PIN FUNCTION..................................................................................................... 10

DIAGNOSTIC PROGRAM........................................................................................... 12

ERROR MESSAGES................................................................................................... 13

SCHEMATIC DIAGRAM.............................................................................................. 14

EXPLODED VIEW ....................................................................................................... 15

PARTS LIST ............................................................................................................... .16

OUTLINE

The unit checks spelling for you, and tells you the correct hyphenation of a word using a dictionary of approximately 115,000 words. You can even use wild card characters to look up words. The unit has also the digital diary functions such as Telephone Directory, Schedule, Memo, Secret, Timekeeping, Alarm and Calculator mode.

SPECIFICATIONS

Spell Check/Hyphenation Mode

Automatic spell checking and hyphenation advice based on dictionary of approximately 115,000 words.

Telephone Directory Mode

Storage and recall of telephone directory data (name, telephone number, address, etc.). Each item can contain up to 380 characters. Includes secret memory area and auto sort function.

Schedule Mode

Storage and recall of appointments for any date in the range of January 1901 through December 2099. Each item can contain up to 372 characters. Includes secret memory area and auto sort function.

Data Memo Mode

Storage and recall of memos. Each item can contain up to 381 characters. Includes secret memory area and auto sort function.

Timekeeping Mode

Average of accuracy ± 3 seconds per day under normal temperatures; year/month/date, hour/minute/seconds, AM/PM, day of the week, daylight saving/standard time; full automatic calendar; 12/24 hour timekeeping format

Alarm Mode

Daily Alarm (20-second electronic buzzer); Schedule Alarm (20-second electronic buzzer); Hourly Time Signal (beeps every hour on the hour)

Calculator Mode

10-digit arithmetic calculations; constant calculations; memory calculations; 20-digit approximations; percentage calculations; square roots; sigh changes; function command signs.

Other functions

Contrast adjustment

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General Display: Liquid crystal display

Memory Capacity: 27,014 bytes Power Supply: Two lithium batteries (CR2032) ... Main and Back-up Power Consumption: 0.05 W Battery Life*: Main battery - approximately 200 hours (continuous display of main menu

screen) approximately 1 year (1 hour use per day)

Back-up battery - approximately 2 years after the low main battery warning

appears on the display

* The batteries that come installed in this unit when you purchase it are for factory

test purposes, so they will probably not provide normal service life.

Auto Power Off: Approximately 6 minutes after last key operation Ambient Temperature

Range: 0°C ~ 40°C (32°F ~ 104°F) Dimensions: Folded: 12.4 (H) × 141 (W) × 82 (D) mm

(1/2" (H) × 5 1/2" (W) × 3 1/4" (D))

Unfolded: 10.6 (H) × 141 (W) × 159.5 (D) mm

(3/8" (H) × 5 1/2" (W) × 6 1/4" (D))

Weight: 105.7 g (3.7 oz) including batteries

Current Consumption:

TYP [µA] Max [µA] ON (MENU) 205.00 244.25 OFF — 8.25

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GENERAL GUIDE

Display

OFF Key

SEARCH Keys

SPELL/HYPHEN Key

CODE Key

C/CLR Key

AC/ON Key

SHIFT Key

SPACE/Return Key

Displaying the Main Menu Screen

Press MENU to display the main menu screen.

Main Menu Screen

MENU Key

TIME/ALARM Key

Cursor Keys

FUNCTION Key

ALPHA/NUMBER Key

EXE Key

123456

Menu Icons

1 Telephone Directory Business Mode 2 Telephone Directory Personal Mode 3 Schedule Mode

To change modes

1. Display the main menu screen.

2. The icon of the currently selected mode is highlighted on the display. Use and to change the selected menu icon.

3. When the icon for the mode you want is selected (highlighted), press EXE.

• Press the TIME/ALARM key to enter the Timekeeping Mode and Alarm Mode. Each press of this key

switches between the two modes.

• Press the SPELL/HYPHEN key to enter the Spell Check Mode and Hyphenation Mode. Each press of

this key switches between the two modes.

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4 Data Memo Mode 5 Calculator Mode 6 Secret Memory Area

Using FUNCTION key

Use this key to access special functions and to perform other functions not marked on the keys. Use the following sequence to access such functions.

1.Press FUNCTION.

2.Use and to move the highlighting to the function you want.

3.Press EXE to execute the function.

4.If another function menu appears, repeat step 2 and 3.

• To return to the previous display, press FUNCTION.

• To clear a displayed function menu, press AC.

To adjust the display contrast

1.Display the main menu screen.

2.To make the figures on the display darker, press . To make them lighter, press .

To switch the key input tone on and off

1.Press TIME/ALARM to enter the Alarm Mode.

2.Press FUNCTION.

3.Use to select “Sound”, and then press EXE.

4.Use to select “Key Tone”, and then use and to switch it on and off.

5.Press EXE to complete the setting operation.

About the “Check time!” display

When the message “Check time!” appears on the display, pressing any key displays the current time setting. Check to make sure that the setting is correct before performing any other operation.

Low Battery Warning

A low battery warning protects against loss and corruption of data stored in memory due to weak battery power. Replace the main battery immediately if the following display appears.

Main Battery Getting Weak! Replace it!

• Whenever the above display appears, only the OFF key is operational. Power switches off automatically

approximately 30 seconds after the low battery warning message appears.

Memory Capacity Screen

To display the memory capacity

1.While the main menu is displayed, or any time you are in the Telephone Directory, Schedule, Data Memo or Spell Check/Hyphenation Mode, press FUNCTION.

2.Use and to select “Memory Capacity” and then press EXE.

Memory Capacity

Remaining memory

(Unit: bytes)

Memory used

(Unit: bytes)

Free 25526 Used 1488 %

Memory used

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+ 14 hidden pages