... SE / ME / 2K / of XP, MacOS10 Linux2.4.2;Car MP3 digital remote control instructions:CH + / CH-operation and frequency ... 0.1 per MHz. 2, directly enter the digital setting method: direct use of the number keys ... adjust the volume: play music, according to the panel VOL + or VOL-can increase or decrease the ... remote control is positioned directly enter 1,2,3,4 four digits long as the order, and then PLAY / ...