Denon D-M38 Owner's Manual
![Denon D-M38 manual cover](/images/91d5011c19acab8570d77029/thumbs/thumb175x175.webp)
The Denon D-M38 does not have built-in Bluetooth functionality. To connect a Bluetooth device, use an external Bluetooth receiver connected to the AUX input.
Check if the speakers are properly connected and the volume is turned up. Ensure the correct input source is selected and verify that the mute function is not activated.
To reset the Denon D-M38, turn off the unit, then press and hold the "SOURCE" and "POWER" buttons simultaneously until "INITIALIZED" appears on the display.
Yes, the Denon D-M38 supports playback from USB drives. Connect the USB drive to the USB port and use the remote or unit controls to select and play music files.
The Denon D-M38 supports MP3 and WMA audio formats for playback via CD or USB. Ensure files are properly formatted for compatibility.
To set the sleep timer, press the "SLEEP" button on the remote control repeatedly to select the desired time interval (10 to 90 minutes). The unit will automatically turn off after the set time.
Ensure the disc is clean and not scratched. Try other CDs to rule out disc issues. If problems persist, consider cleaning the laser lens with a CD lens cleaner.
Ensure the FM antenna is properly connected and fully extended. Try repositioning the antenna for better reception or consider using an external antenna if necessary.
Yes, you can connect external speakers to the Denon D-M38 using the speaker terminals on the back of the unit. Ensure that the impedance of the speakers matches the requirements of the unit.
The Denon D-M38 does not support firmware updates via the user interface. For any firmware-related issues, contact Denon support for assistance.