A remote control is needed to set the clock for your Furrion HDMI Stereo DV3300, as outlined in the instruction manual, a cut out of which I added for you to see how to set the clock.
Thankfully there is a replacement available, the Furrion Unismart Universal Remote Control # FR34FR which will work with the # DV3300 and allow you to set your clock, as well as control the stereo's other functions.
I have added a link to a video review of this remote for you to check out. view full answer...
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