zPower sources
You can use the player on house current, dry batteries, a nickel metal hydride rechargeable battery.
Using on house current
To use your player on house current, connect the AC power adaptor
to wall outlet
AC power adaptor 
(not supplied) 
to DC INÊ 4.5 V
Using on a nickel metal hydride rechargeable battery
Before using the rechargeable battery BP- DM20 (not supplied) for the first time, charge it with the AC power adaptor
1 Connect the AC power adaptor.
to wall outlet
AC power adaptor 
(not supplied) 
to DC INÊ 4.5 V
2 Insert the rechargeable battery, and close the lid.
The projection on the battery comes on the right.
3 Press pSTOP/CHARGE on the player. "Charge" flashes and the battery indication appears in the display and charging starts. When charging is completed, "Charge" and the battery indication go out.
A completely discharged battery takes about 3 hours to charge fully. To stop charging before the battery is fully charged, press pSTOP/CHARGE.
4 Disconnect the AC power adaptor.
As long as the player is connected to the AC power, the power will be supplied from the AC source instead of the battery.
When to replace or charge the batteries
You can check the battery condition with the battery indication displayed while using the player.
BUsed batteries
v
bWeak batteries. Replace all the batteries
v
nThe batteries have gone out.“LoBATT” flashes in the display, and the power goes off.
Notes
∙Charging time may vary depending on the battery condition.
∙When you use the battery for the first time or after a long period of disuse, the battery life may be shorter. In this case, charge and discharge the battery several times. The battery life will be restored.
∙If the rechargeable battery capacity becomes
half the normal life, replace it with a new one. •The battery life is approx. 3 hours (It may be
shorter due to operating conditions and the temperature of the location.)
zAdditional information
Precautions
On safety
∙Do not put any foreign objects in the DC IN 4.5 V jack.
On power sources
∙Use the house current, two size AA (R6) batteries, nickel metal hydride rechargeable battery, or car battery.
∙For use in your house: Use the AC power adaptor
Polarity of the plug
∙The player is not disconnected from the AC power source (mains) as long as it is connected to the wall outlet, even if the player itself has been turned off.
∙If you are not going to use this player for a long time, be sure to disconnect the power supply (AC power adaptor, dry batteries, rechargeable batteries, or car battery cord). To remove the AC power adaptor from the wall outlet, grasp the adaptor plug itself; never pull the cord.
∙For use in the car: Use the
On heat
∙Heat may build up in the player if it is used for an extended period of time. In this case, leave the player to cool down.
On installation
∙Never use the player where it will be subjected to extremes of light, temperature, moisture or vibration.
∙Never wrap the player in anything when it is being used with the AC power adaptor. Heat
On the headphones
Road safety
Do not use headphones while driving, cycling, or operating any motorized vehicle. It may create a traffic hazard and is illegal in many areas. It can also be potentially dangerous to play your player at high volume while walking, especially at pedestrian crossings. You should exercise extreme caution or discontinue use in potentially hazardous situations.
Preventing hearing damage
Avoid using headphones at high volume. Hearing experts advise against continuous, loud and extended play. If you experience a ringing in your ears, reduce the volume or discontinue use.
Caring for others
Keep the volume at a moderate level. This will allow you to hear outside sounds and to be considerate of the people around you.
On the MiniDisc cartridge
∙Do not break open the shutter.
∙Do not place the cartridge where it will be subject to light, temperature, moisture or dust.
On cleaning
∙Clean the player casing with a soft cloth slightly moistened with water or a mild detergent solution. Do not use any type of abrasive pad, scouring powder or solvent such as alcohol or benzene as it may mar the finish of the casing.
∙Wipe the disc cartridge with a dry cloth to remove dirt.
∙Dust on the lens may prevent the unit from operating properly. Be sure to close the disc compartment lid after inserting and ejecting an MD.
Notes on the batteries
Incorrect battery usage may lead to leakage of battery fluid or bursting batteries. To prevent such accidents, observe the following precautions:
∙Install the + and – poles of the batteries correctly.
∙Do not install new and used batteries or different kinds of batteries together.
∙Do not try to recharge the batteries.
∙When the player is not to be used for a long time, be sure to remove the batteries.
∙If a battery leak should develop, carefully and thoroughly wipe away battery fluid from the battery compartment before inserting new ones.
Note on mechanical noise
The player gives out mechanical noise while operating, which is caused by the power- saving system of the player and it is not a trouble.
For the customers in the USA
DISPOSAL OF NICKEL METAL HYDRIDE BATTERY.
NICKEL METAL HYDRIDE BATTERY. DISPOSE OF PROPERLY.
You can return your unwanted nickel metal hydride batteries to your nearest Sony Service Center.
Note: In some areas the disposal of nickel metal hydride batteries in household or business trash may be prohibited.
For the Sony Service Center nearest you call
If you have any questions or problems concerning your recorder, please consult your nearest Sony dealer.
Troubleshooting
Should any problem persists after you have made these checks, consult your nearest Sony dealer.
The player does not work or works poorly.
•Power sources may not be securely connected.
bDisconnect the power source once and connect it again.
•Moisture has condensed inside the player.
bTake the MD out and leave the player in a warm place for several hours until the moisture evaporates.
•The rechargeble battery or dry batteries are weak (b“LoBATT” flashes).
bReplace the dry batteries or recharge the battery.
•The dry batteries have been installed incorrectly.
bInstall the batteries correctly. •You pressed a button while the disc indication was rotating quickly.
bWait until the indication rotates slowly.
•The AC adaptor was unplugged during playing or a power outage occurred.
•While operating, the player received a mechanical shock, too much static, abnormal power voltage caused by lightning, etc.
bRestart the operation as follows.
1 Disconnect all the power sources.
2 Leave the player for about 30 seconds.
3 Connect the power source.
No sound comes through the headphones.
•The headphones plug is not firmly connected.
bConnect the headphones plug firmly to PHONES jack.
•Volume is too low.
bAdjust the volume by pressing VOLUME
•AVLS is on.
bSlide AVLS to NORM.
An MD is not played from the first track. •Disc playing stopped before it came to
the last track.
bPress = repeatedly or open and close the lid once to go back to the beginning of the disc, and restart playing after checking the track number in the display.
Playback sound skips.
•The player is placed where it receives continuous vibration.
bPut the player on stable place.
A very short track may cause sound to skip.
Sound has a lot of static.
•Strong magnetism from a television or such device is interfering with operation.
bMove away from the source of strong magnetism.
Charging the rechargeable battery does not start.
•The rechargeable battery has been inserted incorrectly or the AC power adaptor has been connected incorrectly.
bInsert the battery correctly or connect the AC power adaptor correctly.
