13Caution: Depending on the type of headphones connected to the Headphones jack, the Core mix 4 USBis capable of producing high output levels via the phones output. Therefore, make sure to turn thecontrol all the way to the left (minimum setting) before connecting the headphones. Be aware of thefact that listening to loud sound pressure levels over a longer period of time leads to hearing-damage!Record Module34. EQ buttonPushing the EQ button allows you to select a preset EQ curve. You can choosebetween: None - Pop – Rock – Bass – Jazz – Classic.35. USB slotSlot for inserting an USB stick.36. SD card slotSlot for inserting a SD/MMC card. The contacts of the card must pointdownwards.37. DisplayFig. 1238. Repeat buttonTap the repeat button to select between: Repeat single track, Repeat USB- stick/SD- card or repeat off.39. Stop buttonPush the stop button to stop playback/recording.40. Play/pause buttonUse this button to start playback. Press once to start playback, twice to set the pause mode, and againto resume playback.41. / buttonTapping this button allows you to skip to the next track.Pushing and holding this button allows you to play a track fast forward.42. / buttonTap this button to go back to the beginning of the current track or select a previous track for playing.Pushing and holding this button allows you to play a track fast backwards.43. Delete buttonPush the delete button during playback. In the display appears: “Del One?”. Pushing the delete buttonagain will delete the current track. “Success” will appear in the display.44. Record buttonPushing this button will start recording the master mix independent of the Master (25) control.Note: depending on the USB stick/ SD card you use, it can take a couple of seconds before the actualrecording will start.