Black Stanley Timer for Christmas Lights ---------------------------------------- Plug it in. LED will flash "C" Repeatedly press "Time" Button to set current time A dot in the lower right of the display means "PM" Press "Mode" Button to get blinking "P" Press "Time" Button to set START time Press "Mode" Button (again) to get blinking "E" Press "Time" Button to set END time Press "Mode" Button to complete setup To review setup ---------------- Press "Time" Button .. "P" is the start time, "E" is end time Manual Override ----------- Pressing the "MODE" button will turn on the devices plugged into the timer The display will indicate the letter "O" Devices will remain on until the End Time setting To return to automatic mode, press "Mode" again. The display will return to indicate the current time.