44. Charging of BatteryThis section includes: charging of battery, and the use of external power adapter.4.1 Power Volume IndicationBattery is fully charged Battery is partially drained Battery is drainedNote: If the power volume indication of battery shows only one block or is empty, itindicates the power supply is obviously lacking, please charge the battery.4.2 Charging of BatteryYou can use the external power adapter to charge the battery. The charging can beperformed when the power of MP400 Player is on or off. The detailed charging method is asfollows:1) Connect the power cable with the power adapter.2) Insert the DC plugs of power adapter into the DC input port of MP400 Player.3) Insert the power plug into the power socket.4.3 Use of External Power AdapterYou can use external power adapter to supply directly power for MP400 Player. Theoperation method is the same with the battery charging method.5. Connection of External Interface1) Connect Television for viewingUse AV cable to connect to AV out socket of MP400 Player and input socket of signal oftelevision.2) Connect Television for RecordingConnect the output socket of signal of television set and AV input socket of MP400Player through AV cable.3) Connection of Music DeviceInsert the AV cable into the AV input socket of MP400 Player. Connect the music signal(left/right) of AV cable through “Y” type cable. Insert other end of Y type cable into theoutput socket of music device.