Designer Owner manual
EDID Designer - Editing an EDID 
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5.3.2  Advanced – Editing Descriptors 
Some descriptors can be set to one of several types. We suggest in most cases 
that the user not change the descriptor type. 
If you do change a descriptor type, it is important to note that the content of the 
descriptor does not change, only the way the source treats this data block 
changes. Therefore, when changing a descriptor type, make sure to check that the 
data after the change still has a meaningful interpretation under the new 
descriptor. 
Also, several types of descriptors contain compulsory byte values. They must 
contain a certain value to maintain correct block structure. As a workflow aid, all 
the compulsory bits for the specified descriptor type are displayed in the 
Compulsory Byte Value area. The application informs you if their value is valid or 
not and if needed, their value can be changed to the recommended ones by 
clicking Fix on the window frame.  










