![perfect pro Rock Pro 2 Operating Instruction Download Page 5](http://html1.mh-extra.com/html/perfect-pro/rock-pro-2/rock-pro-2_operating-instruction_1529266005.webp)
4
GB
Controls and connections
1. Power On/Off button
. Charging indicator LED
. Source button
4. Volume control/Tone control
5. Preset 1/Folder Down button
6. Preset /Folder Up button
7. Preset 3/Rewind button
8. Preset 4/Fast Forward button
9. Preset 5/Play & Pause button
0. LCD display
11. Tuning/Seek knob(FM band)/file browser (SD/USB)
. Loudness On/Off button
13. Stereo/Mono (FM only)/Play mode (SD/USB)
4. Info button
5. Speakers
6. SD card slot
7. USB socket
8. Aux In socket