90About the optional unitPreset channel scanThis function enables the reception of all thechannels in the preset buttons for five secondseach.[P SCAN] will appear on the display,and channels set in preset buttons [1]through [6] will be received for fiveseconds each.The main unit will stay tuned to thedesired channel.Switching displays when usingthe XM satellite radioEach time the button is pressed thedisplay item changes in the followingorder:channel name → category name →title → name → channel name → wwwATTENTIONIf there are no names, the "NO DATA"message will appear.Displaying the XM IDDisplays the XM ID. The XM ID is necessarywhen subscribing to programs, etc.The Menu selection mode is activated.The XM ID is displayed.1 Press the [SELECT] (Down) buttonfor more than one second.2To stop the preset scan mode atthe desired channel, press the[SELECT] (Down) button again.1 Press the [SCREEN/TEXT] buttonfor more than one second.1 Press the [ /MENU] button formore than one second.2Press the [SELECT] (Up/Down)button to select FUNC, and thenpress the [ENTER] button.3 Press the [SELECT] (Up/Down)button to select XM ID.4 Press the [ENTER] button.