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Full Reset Casio E100 (Memory Initialize)

Full reset (memory initialize) deletes all data, and resets all unit parameters to their
initial defaults.
The following are conditions when you should perform a full reset.
· When you want to delete all memory data and return unit settings to their factory
· When you forget your password and need to clear it
· When a data error causes operational problems
· Appearance of the message: “A problem with memory contents has been found...”
Performing a Full Reset
· The following procedure deletes all data in memory. Be sure that data is backed up or
that you no longer need it before performing the following procedure.
· If there is a CompactFlash card in the CASSIOPEIA’s slot, remove the card before
performing the full reset.
1.Make sure that unit power is turned on.
2. While holding down the [Power] button, use the stylus to hold down the RESET
button for about two seconds.
· This causes the following message to appear on the display screen.
“Proceeding with this operation initializes memory. Press [Action] to proceed or
[Exit] to cancel.”
3. Press the [Action] control.
· This causes the following message to appear on the display screen.
“Proceeding with this operation deletes all data stored in memory. Press [Action]
to proceed or [Exit] to cancel.”
4. Press the [Action] control again.

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This starts the full reset operation, which deletes all data in memory.
· Pressing the [Action] control displays the Startup screen.
You can abort the full reset operation while the messages in steps 2 and 3 are on the
display by pressing the [Exit] button.

Errors Following a Full Reset

Either of the following two conditions can cause errors to continue, even after you
perform a full reset.
· Hardware defect
· System problem caused by failure by you to correctly perform the reset procedure
before using the unit for the first time

1.Remove both the main battery and the backup battery from the CASSIOPEIA.
2.Wait for about five minutes.
3. Reload the main battery.
· Be sure to load the main battery first. The CASSIOPEIA will not operate properly if
you load the backup battery first. If you inadvertently load the backup battery first,
start over from step 1 above.
4. Attach the AC adapter and charge the battery pack.
5. Reload the backup battery.
6.Make sure the battery cover switch is in the LOCK position.
7.Wait for about five seconds and then press the [Power] button to turn on your
· Turning on power displays the startup screen, following by the touch panel
calibration screen.
8. Follow the instructions that appear on the screen to make initial settings.
9. After setting up your CASSIOPEIA, turn it off.

After completing the above procedure, you can restore data you have backed up on
your desktop computer hard disk or CompactFlash memory card.

Replacing the Casio E100 Backup Battery

· Never remove the main battery and backup battery from the CASSIOPEIA at the
same time. Doing so causes all data stored in memory to be deleted.
· Should the main battery and the backup battery both require replacement, be sure to
always replace the main battery first.
· Be sure to replace the backup battery as soon as possible whenever the following
message appears on the display: “Prevent possible data loss by promptly replacing
or recharging your back up battery according to your hardware manufacturer’s

1.Make sure your CASSIOPEIA is turned off.
· Press the [Power] button to turn off power.
2.Turn the CASSIOPEIA over.
3. Slide the battery cover switch to BACK UP, and then remove the backup battery

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4.Remove the old battery.
5.Wipe off a new lithium battery (CR2032) with a dry cloth, and load it into the

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Make sure the positive side is facing up, so you can see it.
6. Replace the backup battery cover.
7. Slide the battery cover switch back to LOCK.