File: Dut150uc.zip ... -

Copy the extracted files/folders to the root directory of the USB drive (meaning they shouldn't be inside another folder on the drive). 3. The Update Process Power Off: Turn off your receiver completely. Insert USB: Plug the drive into the front-panel USB port.

Receivers are picky about file systems. To ensure the update starts correctly: File: DUT150UC.zip ...

The file is a critical firmware update package typically used for high-end audio-visual receivers (AVRs), most notably associated with brands like Denon and Marantz . This update is designed to improve system stability, fix software bugs, and sometimes add compatibility for newer audio/video formats. Copy the extracted files/folders to the root directory

Use a USB flash drive formatted to FAT16 or FAT32 . High-capacity drives formatted as NTFS or exFAT will likely not be recognized. Capacity: A small drive (1GB to 32GB) is usually best. 2. Extract the Files Do not simply copy the .zip file to your USB drive. Right-click DUT150UC.zip and select Extract All . Insert USB: Plug the drive into the front-panel USB port

Never turn off the power during the update. Doing so can "brick" your receiver, making it unusable.

The display should read "Updating." This can take anywhere from 10 to 40 minutes. ⚠️ Important Safety Tips