26 | EnglishBasic Operations of remote controlAccessory of KDC-W4037/KDC-W3537 (Sales area other than Western European Countries)Loading and Replacing the batteryUse two "AA"/ "R6"-size batteries.Slide the cover while pressing downwards toremove it as illustrated.Insert the batteries with the + and – poles alignedproperly, following the illustration inside the case.2WARNING• Store unused batteries out of the reach of children.Contact a doctor immediately if the battery isaccidentally swallowed.¤• Do not set the remote control in hot places such as onthe dashboard.Basic operations[VOL] buttonsAdjusts the volume.[SRC] buttonEach time you press the button, the sourcealternates.For the source alternating order refer to the Source> (page 7).[ATT] buttonTurns the volume down quickly.When the button is pressed again, the volumereturns to the previous level.ATT[0] — [9]SRC4/¢38FM/AM/+/–VOLAUDSRCDIRECT/OKABC DEFJKLGHI MNOTUVQZPRS WXYVOLATTAUDFM+AM–38¢4:This button is used when Bluetooth HANDSFREE BOX is connected. For more information,refer to the instruction manual of BluetoothHANDS FREE BOX.Not Used