Is the power cord properly connected? Connect the power cord to the power outlet.

Is the [COLOR] control set to an appropriate position?
Turn the [COLOR] control and [PARAMETER] control clockwise or counterclockwise.

There are six possible causes.

1. Is the [USB, LINE, PHONO] selector switch set to the proper position?
Turn the [USB, LINE, PHONO] selector switch and set it to the channel's input source.
2. Are connection cables properly connected? Connect the connection cables properly. For details, see "Connecting input terminals" and "Connecting output terminals" in the operating instructions.
3. Is [MASTER LEVEL] set to the proper position? Adjust [MASTER LEVEL] so that the master level indicator lights up to the orange indicator at the peak level.
4. Is [TRIM] set to the proper position? Adjust [TRIM] so that the channel level indicator lights up to the orange indicator at the peak level.
5. Are terminals and plugs dirty? Wipe any dirt off terminals and plugs before connecting.
6. Is [MASTER　OUT ATT.] set at for example [-12 dB]? Set an appropriate level using [MASTER OUT ATT.]. For details, see "Changing the settings" in the operating instructions.

There are two possible causes.

1. Is [MASTER LEVEL] set to the proper position? Adjust [MASTER LEVEL] so that the master level indicator lights up to the orange indicator at the peak level.
2. Is [TRIM] set to the proper position? Adjust [TRIM] so that the channel level indicator lights up to the orange indicator at the peak level.

If the sound is distorted even after the input/output level has been adjusted, the level may exceed the power amplifier's maximum allowable input level. Set an appropriate level using [MASTER OUT ATT.] . The level can be attenuated by 25% at -12dB, by 50% at -6 dB. This setting does not affect the master level indicator.

There are two possible causes.

1. Is an analog player with an internal phono equalizer connected? When using an analog player with an internal phono equalizer, connect it to the [LINE] terminals. For details, see "Connecting input terminals" in the operating instructions. If the analog player with internal phono equalizer is equipped with a PHONO/LINE selector switch, switch it to PHONO.
2. Is a computer sound card (audio interface) connected between the analog player and this unit? If the computer sound card's output has a line level, connect to the [LINE] terminals. For details, see "Connecting input terminals" in the operating instructions. If the analog player is equipped with a PHONO/LINE selector switch, switch it to PHONO.

1. The dedicated driver software must be installed on the computer beforehand. For details, see "Installing the driver software" in the operating instructions.
2. This unit and the computer must be connected properly. For details, see "Connections" - "Connecting input terminals" in the operating instructions.
If the computer can still not be connected properly, quit the DJ application, disconnect the USB cable, then reconnect the USB cable and relaunch the DJ application.
*This unit and the dedicated driver software only support Hi-Speed USB. Check that your computer, the USB port and the USB cable support Hi-Speed USB.

When this unit is connected to a computer (Windows) for the first time or when it is connected to a different USB port on the computer, the message "Installing device driver software" may appear on the computer's screen. Wait awhile as such until the message "Device prepared for use" appears.

-[Connect to Windows Update to search for hardware] may appear during installation. If so, select [No, do not connect now], then click [Next] to continue installation.
-[Select the installation method] may appear during installation. If so, select [Install software automatically (recommended)], then click [Next] to continue installation.
-The [Windows Security] screen may appear during installation. If so, click [Install driver software] to continue installation.

1. To output the sound from the computer to this unit, the dedicated driver software must be installed on the computer beforehand. For details, see "Installing the driver software" in the operating instructions.
2. This unit and the computer must be connected properly. For details, see "Connecting input terminals" in the operating instructions.
If the computer can still not be connected properly, quit the DJ application, disconnect the USB cable, then reconnect the USB cable and relaunch the DJ application.
3. When using the DVS function,the audio data to be output to the computer must be set using the Settings Utility. For details, see "About the setting utility software" in the operating instructions.
4. This unit must be selected in the DJ application's audio output device settings. For detailed instructions on setting, see your DJ application's operating instructions.
5. The position of the selector switch of this unit must be set to the proper position. Set the selector switch to the [USB] position.

This unit and the dedicated driver software only support Hi-Speed USB. Check that your computer, the USB port and the USB cable support Hi-Speed USB.

This unit operates when the computer restarts from the sleep or standby mode, but your DJ application may not. If not, quit the DJ application, disconnect the USB cable, then reconnect the USB cable and relaunch the DJ application.

At [Control Panel], check that the account type at [User Account] is set to [Computer Administrator]. If not, installation is not possible.

Installation is possible by inputting the administrator's name and password even if the account type is not [Administrator].

There are six possible causes.

1. Sound skipping can be decreased by adjusting the buffer size.
Windows
When using ASIO driver, make the adjustment at the ASIO tab in the setting utility.
When using Direct Sound, make the adjustment from the DJ application.
Mac
Make the adjustment from the DJ application.

2. When using a laptop computer, the computer's performance may be intentionally reduced through the power-saving functions. Use the computer not on the battery but with the AC adapter and cancel all power-saving settings. Also cancel the screensaver function.
3. On Windows disable "Aero" setting if it's been active.
4. The sound may also skip if the CPU usage rate is high. Other applications being used simultaneously (including resident programs) could also affect performance. Check the recommended usage environment for your application.
5. Computer's internal devices or external devices connetced to may caouse sound skipping. In that case, disable all devices not in use.
6. Some application running on the back ground may cause this problem. If so, shut the other application down.

Change the USB Output Level setting in the Settings Utility.
When Control Tone is selected at Mixer Audio Output, however, the USB Output Level value is fixed and does not change.

If you do not operate the DJM for more than 10 hours, it will enter stand-by mode automatically (auto standby mode). If you wish to cancel the auto standby mode, turn off the mode at the auto standby setting. Please see the Operating Instructions for details.

You can download the Operating Instructions at this pgae.

It was recently discovered that some users may experience problems with some Pioneer DJ software and drivers under certain conditions.
Pioneer DJ is currently investigating this issue to detect the root cause, but there is a valid work around.
Please see the effective workaround from this link.
(OS X 10.9 and DDJ-ERGO are used as an example in the link. You may replace the name with the model and OS Version you use when you go through the steps.)