You display the GPS100 UTC date information on a DSM200 or DSM250 in the following way. Enter menu mode, scroll to "Favorite Screen Setup..." and press enter. Scroll to the favorite screen where you would like to view the UTC date and press enter. Scroll to "Data:" and press enter. Scroll to "Time" and press enter. Scroll to "Date UTC" and press enter. Press the back key three times to exit menu mode and return to the normal viewing mode. Scroll through your screens to the favorite screen you selected for UTC date.