Other External Components69EnglishTV tunerYou can connect the TV tuner (commerciallyavailable) with this unit and watch TV.Preparation• When you use TV control function, connect theTV tuner (commercially available) and set 3rdParty TV Tuner Control in AV Setup (P.76) toON.• The TV tuner can be controlled with its suppliedremote control through the remote sensor on thefront panel of this unit.1 Select [TV] as the source. (P.17)2 Touch Key display area.■ Hides the indicators and keys.Touch [Hide].■ Change the channel.Touch [CHR], [CHS].Using the external navigationunit (Except Indonesia models)You can connect a navigation unit (KNA-G630:optional accessory) to the navigation inputterminal so that you can view the navigationscreen. (P.98)The navigation guidance comes out of thefront speakers even when you are listening toan audio source.Ñ Display the navigation screen1 Press the [HOME] button.2 Touch [ ].3 Touch [NAV]. (P.17)hh The navigation screen appears.Ñ Navigation Setup1 Press the [MENU] button.hh Popup menu appears.2 Touch [SETUP].hh SETUP Menu screen appears.3 Touch [Navigation].hh Navigation Setup screen appears.4 Set each item as follows.■ NAV Voice VolumeAdjusts the volume for voice guidance of thenavigation system. Default is “24”.