- 229 -Prepare spare batteries when going out for recording.≥ Prepare batteries enough to last for 3 to 4 times the period you areplanning to record for. Cold places such as a ski resort can shortenrecording time, so use them while keeping the digital movie cameraand spare batteries warm in your cold weather gear, clothes, etc.If you drop the battery accidentally, check to see if the terminals aredamaged.≥ Inserting a battery with damaged terminals can damage the unit.Do not throw old battery into fire.≥ Heating a battery or throwing it into a fire may result in an explosion.If the operating time is very short even after the battery has beenrecharged, the battery has worn out. Please purchase a new battery.≥ If the temperature of the battery is extremely high or extremely low,charging may take time or the battery may not be charged.≥ If you use the AC adaptor near a radio, radio reception may bedisturbed. Keep the AC adaptor 1 m (3.3 feet) or more away from theradio.≥ When using the AC adaptor, it may generate whirring sounds.However, this is normal.≥ After use, be sure to disconnect the AC adaptor. (If you leave this unitconnected, the AC adaptor will consume approximately 0.2 W ofcurrent.)≥ Always keep the electrodes of the AC adaptor clean.About the AC adaptor