Power Supply - Casio BN-10 Service Manual & Parts List

2-4. Power Supply

Your BN Unit can be powered by two AA-size alkaline batteries (LR6(AM3)) or the following optional
AC adaptor.
Optional AC Adaptor: AD-A70140
AD-A70140D-OP: for U.S.A. and Canada (AC 100 ~ 120 V)
AD-A70140G-OP: for Europe except U.K. (AC 200 ~ 240 V)
AD-A70140A-OP: for Australia (AC 200 ~ 240 V)
Impotant!
• Normally the flash memory of the BN Unit retains its data when power is turned off and even when
batteries go dead. Misoperation or other problems, however, can cause data to become corrupted
or lost. Always keep separate copies of important data.
Low Battery Warning
The message BATTERIES ARE GETTING WEAK! REPLACE THEM AS INSTRUCTED IN THE
USER'S GUIDE. appears whenever battery power drops below a certain level. Replace the batteries
immediately after this message appears.
Important!
• If you continue using the BN Unit after the low battery warning message appears, power may
suddenly turn off or the contrast adjustment screen may suddenly appear. Should this happen,
replace batteries immediately.
• Be sure to use alkaline batteries. Manganese batteries provide very short battery life.
Initial Screen
Turning on power displays the last screen that was on the display when you last turned off power.
Auto Power Off
The Auto Power Off function automatically turns off power whenever you do not perform any key
operation for about 6 minutes. Use the procedure described under "To turn power on and off" de-
scribed in the next page to turn power back on.
AC Adaptor
Caution!
• Use the AC adaptor only with a power outlet whose voltage matches that marked on the adaptor.
Do not plug the adaptor into an extension shared by other appliances. Doing so creates the danger
of fire and electrical shock.
• Use only the AC adaptor model specified for the BN Unit in this manual. Use of another adaptor
creates the danger of fire and electrical shock.
• Do not allow the electrical cord of the AC adaptor to become damaged or cracked. Never modify,
sharply bend, twist, or pull on the cord. Do not place heavy objects on the cord or expose it to heat.
Use of a damaged electrical cord creates the danger of fire and electrical shock.
• Use of a damaged electrical cord creates the danger of fire and electrical shock.
• Never touch the AC adaptor while your hands are wet. Doing so creates the danger of electrical
shock.
• Never pull on the power cord when unplugging the AC adaptor. Doing so can damage the cord and
create the danger of fire and electrical shock. Always hold onto the AC adaptor unit when unplug-
ging it from the wall outlet.
• Unplug the AC adaptor from the wall outlet whenever you plan to leave the BN Unit unattended for
very long periods.
• After using the BN Unit, turn off power and unplug the AC adaptor from the wall outlet.
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