Service manual

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MD-MT80W/90W/90/90C
MD-MT90/90C
■ Checking the remaining amount of bat-
tery level
The remaining amount of battery level is shown by the
battery indicator ( ) during operation.
●
When the battery is completely discharged, the bat-
tery indicator will flash. Recharge the battery or
replace the alkaline battery with a new one.
●
When the battery has run completely out, "BATT
EMPTY" will appear. Then, the power will be discon-
nected automatically.
Notes:
●
If you use the battery which you stopped charging
halfway, " " may appear. It does not mean that the
battery is completely charged.
●
The battery indicator will not correctly display the
remaining capacity for approximately 10 seconds after
the power has been turned on.
●
When the AC adaptor or a separately available car
adaptor is used, the battery indicator will not be
shown.
●
The number of bars shown in the battery indicator may
increase or decrease, depending on the operation
being performed. This is normal.
■ Using with the rechargeable or alkaline
battery
Notes:
●
Setting the volume level to "0" whilst recording with the
rechargeable or an alkaline battery reduces the bat-
tery drain.
●
When you do not use the unit for hours, remove the
battery. (The battery drains gradually even when the
power is turned off.)
●
This unit can be used with the AC adaptor when the
●
Carry the battery in the supplied case.
(Except for MD-MT80W)
rechargeable or an alkaline battery is in the unit.
Caution:
Do not use a nickel-cadmium battery.
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.
Battery Power
■ Charging the rechargeable battery
When the rechargeable battery is used for the first time
or when you want to use it after a long period of disuse,
be sure to charge it fully.
●
After the rechargeable battery is charged or used, it
will get slightly warm. This is normal.
●
When the portable MD is turned on or operating, the
battery will not be charged.
1
Insert the rechargeable battery.
A rechargeable battery other than the one supplied
or the optional one (AD-N70BT) cannot be charged.
2
Plug the AC adaptor into the AC outlet, and
then insert the plug on the other end into
the DC IN 5V jack.
3
Press the MODE/CHRG button.
" " will flash, and battery will begin charging.
MD-MT80W/90W/90/90C