En 25EnglishAdditional informationTroubleshooting! Incorrect operation is often mistaken for trouble or malfunction. If you think that there is something wrong with this component, check the pointsbelow. Sometimes the trouble may lie in another component. Inspect the other components and electrical appliances being used. If the trouble can-not be rectified after checking the items below, ask your nearest Pioneer authorized service center or your dealer to carry out repair work.! This unit may not operate properly due to static electricity or other external influences. In this case, proper operation may be restored by turn-ing the power off, waiting 1 minute, then turning the power back on.! Non-finalized (partial discs) CD-R/-RW cannot be played on the CDJ-850.! Irregularly shaped discs other than standard 12 cm discs cannot be played on the CDJ-850 (doing so will lead to damage or accidents).! The BPM measured by the CDJ-850 may differ from the BPM indicated on the disc or that of a Pioneer DJ mixer, etc. This is due to the differ-ent methods used for measuring the BPM, and is not a malfunction.Problem Check RemedyDisc cannot be ejected. — If the [DISC EJECT h] button does not work, insert the pin in thedisc force eject pin insertion hole to eject the disc. (page 16)Playback does not start when disc is loaded. Is the disc or file playable? See About discs on page 6 or Playable music file formats on page 7.Is the auto cue function activated? Press [TIME MODE (AUTO CUE)] for at least 1 second to cancelthe auto cue function. (page 20)File cannot be played. Is the file copyright-protected (by DRM)? Copyright-protected files cannot be played.No sound is produced, or sound is distortedor noisy.Are you operating the connected DJ mixer prop-erly?Check the operation of the DJ mixer.Is the CDJ-850 placed near a TV? Turn the TV’s power off, or install the CDJ-850 and TV away fromone another.Loud noise is produced or playback stopswhen a certain disc is played.Is the disc scratched? Scratched discs may not play.Is the disc dirty? Wipe the dirt off the disc. (page 27)File information is not properly displayed. Is the information recorded in a language not sup-ported by the CDJ-850?When creating files using DJ software, etc., record the informa-tion in a language supported by the CDJ-850.Track search operation takes too long. Is the auto cue function activated? Track searching may take some time when there are long silentsections between tracks.— If track searching is not possible within 10 seconds, a cue point isset at the beginning of the track.Back cue function does not work. Is a cue point set? Set a cue point. (page 19)Loop play function does not work. Is a cue point set? Set a cue point. (page 19)Settings are not stored in the memory. Has the power been turned off directly afterchanging the setting?After changing settings, wait at least 10 seconds before turningthe power off.USB device is not recognized. Is the USB device properly connected? Connect the device securely (all the way in).Is the USB device connected via a USB hub? USB hubs cannot be used.Is the USB device supported by the CDJ-850? This player only supports USB mass storage class devices.This player supports portable flash memory and digital audioplayback devices.Is the file format supported by the CDJ-850? Check the file format of the connected USB device. For the fileformats supported by the CDJ-850, see About USB devices onpage 7.Are you using a USB device (such as a bus power-driven hard disk) whose current is higher than thisunit’s rated current (500 mA)?Use a USB device within this unit’s rated current (such as a harddisk driven by an AC adapter or other external power supply).— Turn the power off, wait 1 minute, then turn the power back on.Cue or loop points of tracks recorded on USBdevices are not stored in the memory.Is there sufficient free space on the USB device? A maximum of 100 cue and loop points per disc can be recordedon USB devices (10 per track for media other than discs). If youattempt to record more points than the limit, [POINT FULL] isdisplayed and the points cannot be recorded.Is the USB device write-protected? Set the USB device so that files can be written on it.Set the USB device’s write-protect switch to the off position.Cue or loop points of tracks recorded on USBdevices are not displayed.Has the USB device been properly removed? Points may not be displayed if the SD memory card/USB device isremoved without performing the proper stopping procedure or ifthe CDJ-850’s power is turned off.Time is required to read USB devices (flashmemory drives and hard discs).Is there a large number of folders or files recordedon the USB device?When there are many folders or files, some time may be requiredfor loading.Are files other than music files stored on the USBdevice?When files other than music files are stored in folders, time isrequired to read them as well. Do not store files or folders otherthan music files on the USB device.The playing address display is not displayed inthe remaining time mode.— When playing files recorded in VBR, it may happen that the setcannot detect the length of the track immediately and that sometime is required for the playing address display to appear.