Denon D-M33S Operating Instructions
![Denon D-M33S manual cover](/images/1d9d83349541e7dfcd871a04/thumbs/thumb175x175.webp)
To connect your Denon D-M33S to a Bluetooth device, press the Bluetooth button on the main unit or remote control to enter pairing mode. Then, on your Bluetooth device, search for available devices and select "Denon D-M33S" from the list.
Ensure that the speakers are properly connected to the main unit. Check the volume level and ensure that the mute function is not activated. Also, verify that the input source is correctly selected.
To reset the Denon D-M33S to factory settings, turn off the unit. Press and hold the "Stop" button, then press the "Power" button. Continue holding the "Stop" button until "Initialized" appears on the display.
Yes, you can connect an external subwoofer to the Denon D-M33S using the subwoofer pre-out connection on the back of the unit.
To clean the Denon D-M33S, use a soft, dry cloth to wipe the exterior. Avoid using liquid cleaners. Ensure the unit is turned off and unplugged during cleaning. Regularly check for dust accumulation around the vents.
You can connect the Denon D-M33S to a television using an optical cable. Connect the cable from the TV's optical output to the optical input on the D-M33S. Select the appropriate input source on the Denon unit.
To improve FM radio reception, ensure that the FM antenna is fully extended and positioned for optimal reception. You may also try repositioning the unit or using an external FM antenna for better signal reception.
The Denon D-M33S supports MP3, WMA, and WAV file formats for playback from a USB device. Ensure that files are properly formatted and the USB device is compatible.
Currently, the Denon D-M33S does not support user-initiated firmware updates. Ensure your dealer or service center provides any necessary updates.
As of now, the Denon D-M33S does not support control via a smartphone app. Control functions are available through the included remote control and the unit's interface.