Many users prefer military (24-hour) time. To change the format:
The DT6507 often includes a built-in thermometer. If your reading is in Celsius but you want Fahrenheit: dt6507 led mirror clock instructions
When you open the package, you should find: Many users prefer military (24-hour) time
Night Mode automatically lowers the display brightness during evening hours to prevent sleep disruption. Dim). Automatic Night Mode
What or button combination isn't working as expected?
The alarm minute digits will flash. Press or DOWN to set the minutes. Press ALARM to confirm.
When powered via USB, press the button to cycle through the available brightness levels (Bright, Medium, Dim). Automatic Night Mode