English 3WARNINGS:(To prevent accidents and damage)• DO NOT install any unit or wire any cable ina location where;– it may obstruct the steering wheel andgearshift lever operations.– it may obstruct the operation of safetydevices such as air bags.– it may obstruct visibility.• DO NOT operate the unit while driving.If you need to operate the unit whiledriving, be sure to look around carefully.• The driver must not watch the monitorwhile driving.Cautions on the monitor:• The monitor built in this unit has beenproduced with high precision, but itmay have some ineffective dots. This isinevitable and is not considered defective.• Do not expose the monitor to directsunlight.• Do not operate the touch panel using aball-point pen or similar tool with the sharptip.Press the buttons on the touch panel withyour finger directly (if you are wearing aglove, take it off ).• When the temperature is very cold or veryhot...– Chemical changes occur inside, causingmalfunction.– Pictures may not appear clearly ormay move slowly. Pictures may notbe synchronized with the sound orpicture quality may decline in suchenvironments.For safety...• Do not raise the volume level too much,as this will make driving dangerous byblocking outside sounds, and may causehearing loss.• Stop the car before performing anycomplicated operations.Temperature inside the car...If you have parked the car for a long timein hot or cold weather, wait until thetemperature in the car becomes normalbefore operating the unit.How to reset your unitDDX790/DDX770/DDX7070BTReset buttonDDX470/DDX4070BT/DDX370/DDX3070Reset buttonIf the unit fails to operate properly, pressthe Reset button. The unit returns to factorysettings when the Reset button is pressed(except the registered Bluetooth devices).How to read this manual:• Illustrations of DDX770 are mainly usedfor explanation.• This manual mainly explains operationsusing the buttons on the monitor paneland touch panel. For operations using theremote controller (RC-DV340: suppliedonly for DDX7070BT/DDX4070BT/DDX3070), page 66.• < > indicates the variable screens/menus/operations/settings that appearon the touch panel.• [ ] indicates the buttons on the touchpanel.• Indication language: Englishindications are used for the purposeof explanation. You can select theindication language from the <Setup>menu. ( page 52)Before useThe displays and panels shown in thismanual are examples used to provideclear explanations of the operations. Forthis reason, they may be different from theactual displays or panels.