Sharp EL-9650, Operation Manual, Page: 275 / 373

265
APPENDIX
APPENDIX
1. Replacing the Batteries
Batteries used in the calculator:
Type Model Q’ty Use
Manganese battery AAA (R03) 4 Unit operation
Lithium battery CR2032 1 Memory backup
With normal use, the AAA batteries last about 150 hours, and the lithium backup battery
lasts 5 years. The original batteries are included from the time of shipment and so
might run down sooner than these operating times.
CAUTION
To prevent loss of stored data, replace only one type of battery at a time.
(1) Battery precautions
• Keep the batteries out of the reach of children.
• When batteries become weak, remove them from the calculator immediately. If
depleted batteries are left in the calculator for any length of time, they might leak and
cause corrosion inside the calculator.
• Do not dispose of batteries in fire or water, as they may explode.
(2) Replacing the operating batteries
When the battery replacement message shown to the
right appears in the display, replace all four AAA
batteries as follows.
* If you continue using the calculator after the caution message has been displayed,
the power may not turn on when
˚
is pressed.
1. Turn off the calculator by pressing
Ï ˙
, then take off the hard cover.
2. Turn over the calculator and locate the battery compartment cover.
3. Open the cover as illustrated.
1
2
EL-9650-Appendix (265-281) 8/3/00, 5:06 PM 265