Sharp CS-4194H Service Manual page 4

6. Replacement of battery for memory
protection (for CS-4194H (ACO))
Time for battery replacement
Replace with a new battery once 2 year.
Method of battery replacement
Use one lithium battery (CR2032).
Note: When replacing the battery, the set tax rate and the memory con-
tents will be lost.
You may want to write down the tax rate and other important
numbers on a sheet of paper.
1. Turn the power switch "OFF" and unplug the power supply plug
from the outlet.
2. Remove the battery cover on the back of the unit. (Fig. 1)
3. Remove the exhausted battery and install one new lithium battery.
Wipe the battery well with a dry cloth and place the plus "+" side
upward. (Fig. 2)
4. Replace the battery cover by reversing the removal procedure.
5. Press the RESET switch on the back of the unit.
1
2
Fig. 1
After battery replacement
• Connect the power supply plug to an outlet and turn the power switch
"ON".
Check that "0." is displayed. If "0." is not displayed, remove the bat-
tery, reinstall it, and check the display again.
• Reset the tax rate.
• On the battery replacement date label found on the back of the unit,
write down the month and year when the battery is replaced, as a ref-
erence for the next battery replacement.
Precautions on battery use
• Do not leave an exhausted battery in the equipment.
• Do not expose the battery to water or flame, and do not take it apart.
• Store batteries out of the reach of small children.
Notes for handling Lithium batteries:
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recommended by the
manufacturer.
Dispose of used batteries according to the manufacture's instructions.
7. Resetting the unit
Strong impacts, exposure to electrical fields, or other unusual condi-
tions may render the unit inoperative, and pressing the keys will have
no effect. If this occurs, you will have to press the RESET switch on the
bottom of the unit. The RESET switch should be pressed only when:
• an abnormal event occurs and all keys are disabled.
• you install or replace the battery.
Note:
Fig. 2
CS-4194H Replacement of battery for memory protection (for CS-4194H (ACO))
– 4 –
(for CS-4194H (ACO))
• Pressing the RESET switch will clear the stored tax rate and other
data stored in the memory.
• Use only a ballpoint pen to press the RESET switch. Do not use
anything breakable or anything with a sharp tip, such as a needle.
• After pressing the RESET switch, connect the power supply plug to
an outlet. Turn the power switch "ON" and check that "0." is dis-
played.