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Additional information Troubleshooting If you think something is wrong with the speakers, check the information below and refer to the [FAQ] for the DM-50D-BT at the URL below. pioneerdj.com/support/ • Inspect devices connected with the speakers. • The speakers may restore proper operation after you turn it off and on. If the problems continue, read the “Precautions for Use” and consult an authorized service company or your dealer. Problem The power is not turned on. No sound is output or the sound is low. Check Is the power cord properly connected? Is the connected device set properly? Is the volume set to the proper position? Is the power turned on? The POWER indicator (white) does not light. Is the power turned on? Are the speakers in Standby mode? The speakers wouldn't recover (power-on) from Standby mode. The sound is affected by distortion. Is the input signal level low? Is the volume set to the proper position? Unwanted noise is heard. (It continues sounding loud.) The sound is only output from the left speaker. The power turns off (Standby mode) automatically. Is the level for input from the connected device appropriate? Is the volume set to the proper position? Is the speaker cord connected properly? Did a state of no sound continue for approximately 20 minutes or longer? Is the input signal level low? Measures Plug in the power cord to an AC outlet. Set the devices external input and volume properly. Turn the [LEVEL] knob on the front panel of the speaker clockwise to increase the volume. Turn on the [POWER] switch on the rear panel of the speaker. Turn on the [POWER] switch on the rear panel of the speaker. Turn off the [POWER] switch on the rear panel of the speaker and then turn it back on after a few seconds. Or press the pairing button on the front panel of the speaker. Increase the input signal level. Turn the [LEVEL] knob on the front panel of the speaker counterclockwise to reduce the volume. Adjust the output level of the connected device properly. Turn the [LEVEL] knob on the front panel of the speaker counterclockwise to reduce the volume. Connect the left and right speakers properly. Input signals from the RCA, TRS or stereo mini plug input terminal. Or press the pairing button on the front panel of the speaker. Increase the input signal level. When connected via the RCA, STEREO MINI or TRS input terminals Problem No sound is output from the connected device or the sound is low. The sound is only output from one speaker. The sound is interrupted or unwanted noise can be heard. Check Are the connection cables properly connected? Are the terminals and plugs dirty? Is the device connected properly? Is there a contact problem with the connection cables? Measures Connect the connection cables properly. Clean the terminals and plugs before making connections. Connect the device to both the left and right input terminals. Reconnect the connection cables. 6
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When connected via Bluetooth Problem Cannot connect or the sound is interrupted, or unwanted noise can be heard. Check Is there a device producing electromagnetic waves in the 2.4 GHz band (microwave oven, wireless LAN device, other Bluetooth device, etc.) near to the speakers? Is the distance from the Bluetooth device too far? Or is there a wall or an obstacle that blocks radio waves between the speakers and the device? Is an application other than a music playback application running on the Bluetooth device? Does the Bluetooth device you wish to connect support A2DP? Has pairing with the Bluetooth device been performed properly? Measures Either install the speakers away from such devices or stop using them. Move this unit and the connected Bluetooth device close to each other. Or change the position of the Bluetooth device or the speakers. Exit any application on the Bluetooth device other than the music playback application. Use a Bluetooth device that supports A2DP. Turn the power of the speakers and Bluetooth device off and back on, and then perform pairing again. Trademarks and registered trademarks • The Bluetooth ® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by AlphaTheta Corporation is under license. Other trademarks and trade names are those of their respective owners. • Qualcomm aptX is a product of Qualcomm Technologies, Inc. and/or its subsidiaries. Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries. aptX is a trademark of Qualcomm Technologies International, Ltd., registered in the United States and other countries. • Other product, technology and company names, etc. mentioned herein are trademarks or registered trademarks of their respective owners. 7
