Sharp MD-MT90 - Manual (Page 29)

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„ About charging time
After about 3.5 hours have passed, " " will
go out. The battery charging is about 90% com-
plete.
To charge the battery fully, continue charging for about 2
more hours. In this case, you do not need to press the
MODE/CHRG button. Even if the MODE/CHRG button is
pressed, "
" will not appear.
Notes:
z Charge the battery within the range of 41°F - 95°F
(5°C - 35°C).
z Charging is completed when " " does not blink
when you plug in the AC adaptor and press the
MODE/CHRG button.
z The unit can be left in the charging state after it is
completed.
Caution:
z Use the specified battery AD-N70BT only. Do not
charge a battery (nickel-cadmium, alkaline, etc.) other
than that specified.
z If the rechargeable battery terminal is dirty, charging
may not start. In such a case, wipe off the dirt with a
dry cloth.
z Do not disassemble the battery.
„ Using with the rechargeable or alkaline
battery
Notes:
z Setting the volume level to "0" while recording with the
rechargeable or an alkaline battery reduces the bat-
tery drain.
z When you do not use the unit for hours, remove the
battery. (The battery drains gradually even when the
power is turned off.)
z Carry the battery in the supplied case.
z This unit can be used with the AC adaptor when the
rechargeable or an alkaline battery is in the unit.
Caution:
Do not use a nickel-cadmium battery.
z Do not remove the outer cover of the re-
chargeable battery. It may cause heat gen-
eration, fire, or explosion.
z Do not dip the battery in water, do not dis-
pose of it in a fire, and do not take it apart.
1
Disconnect the AC adaptor.
2
Insert the rechargeable bat-
tery or alkaline battery from
the (+) marked side.
Use a commercially available LR6,
"AA" size alkaline battery.