SHARP EL6890
Service Manual

Symbol/PartsCod) -------------------------------------------------------

s Power supply
Batteries used
Type Lithium battery Lithium battery Model CR2032 CR2032 Quantity 2 1 Use Unit operation Memory backup

next time. For example,

· Do not remove both the operating and memory backup batteries ·
at the same time. Doing so will clear the memory of its contents. Be sure to write down any important information stored in memory before replacing the batteries.

(2) Precautions when replacing the memory backup battery

· If the memory backup battery is replaced when the operating batteries are depleted, memory contents will be lost. Make sure the operating batteries are not depleted. If the operating batteries are depleted, first replace these before replacing the memory badkup battery.

1. Precautions
Since improper use of the batteries may cause leakage or explosion, strictly observe the following instructions.

(3) Replacing the battery
1. Press OFF to turn the power off. 2. Loosen the screw (counter clockwise) and remove the battery holder cover on the back of the unit. 3. Remove the memory backup battery seal.

· · · ·

Insert the battery with its positive side (+) correctly positioned. Never throw batteries into a fire because they might explode. Keep batteries out of reach of children. When batteries become weak, remove them from the Organizer immediately to avoid battery leakage and corrosion inside the Organizer.

Because the batteries in the Organizer were installed at the factory, they may become depleted before the specified expiration time is reached.

2. Operating Batteries Replacement
(1) Battery replacement time
When " BATT " is displayed, immediately replace the batteries with new ones. If the battery level is very low, the alarms or the key touch tone may not sound, or similarly the Backlight may remain on for less than the set interval or it may not function. Continued use of the Organizer with consumed batteries can alter or clear the memory contents. Memory contents may be lost if the batteries are improperly replaced or if the following instructions are disregarded.

4. Remove the used battery using a ballpoint pen or similar object.

· Do not use a mechanical pencil or
sharp pointed object. 5. Install a new battery with the positive side (+) facing up. 6. Replace the seal and the holder cover and secure the cover with the screw. 7. The power will be turned on 2 to 3 seconds after ON is pressed. If the power does not come on, press the RESET switch. If nothing appears on the display again, replace the operating batteries.

(2) Replacing the batteries

· Make sure the power is turned off before replacing the batteries. · Do not press ON until the battery replacement procedure is completed. 1. Press OFF to turn the power off. 2. Loosen the screw (counter clockwise) and remove the battery holder cover on the back of the unit. 3. Remove the used batteries using a ball-point pen or similar object.

s Synchronization
Supplied Items
One 3.5" Floppy Disk (PC Interface Software) PC Interface Cable PC Interface Software User�s Guide Please contact your nearest SHARP dealer if any of the above items are missing from the EL-6890P package or are damaged.

· Do not use a mechanical pencil or
sharp pointed object. 4. Install two new batteries with the positive sides (+) facing up. 5. Replace the holder cover and secure it with the screw. 6. The power will be turned on 2 to 3 seconds after ON is pressed. If the power does not come on, press the RESET switch. 7. Set the clock to the correct time.

System Requirements

· Windows 2000 Professional, Windows 98, or Windows 95 · · · · ·
8MB free hard disk space VGA monitor or better Microsoft Mouse or compatible Pointing Device 3.5" disk drive One available serial port with D-sub 9-pin connector

And for Windows 2000 Professional :

3. Memory Backup Battery Replacement
(1) Battery replacement frequency

· 133MHz or higher Pentium-compatible CPU · 64MB RAM available
And for Windows 98, Windows 95 :

· Replace the battery every 5 years.
When you start to use the Organizer, write down the date on the label of the Organizer, so that you know when to replace the battery the

· IBM-compatible 486 or Pentium-compatible CPU
(66MHz or higher)

· 24MB RAM available