: The hour digits will flash first. Use UP/DOWN to adjust, then press MODE to move to the minutes. Adjust minutes and press MODE again to save.
: Ensure the clock is showing the time. Press and hold the MODE button for about 3 seconds until the display begins to flash. dt6507 led mirror clock instructions
: Use UP or DOWN to toggle between 12-hour (AM/PM) and 24-hour formats. Press MODE to confirm. : The hour digits will flash first