Quantum Data 881 - Manual (Page 575)

881/882 Video Test Generator User Guide (Rev A.22) 557
4. Add the CEA extension blocks by selecting New CEA Block from the Add pull down
menu as shown below.
When you add a CEA block, both Block #2 and Block #3 are added. In addition, the
Extension Flag field in Block #0 is updated with the value of 3.