Samsung 400TS-3 - Manual (Page 106)

2. Selected one display: Fetches and displays the settings value for the selected display.
3. Selected one display (ID1) and add another display (ID3): The program, which was displaying the settings
value of ID 1, fetches and displays the value of ID3.
4. If all sets are selected at the same time by clicking All and Select, the default value will be restored.