6. Programmer's Reference DA2DVI-DL – User's Manual 21
Watch EDID Validity Table
Description: Shows EDID validity table, which contains information about the EDID memory states.
Explanation
Legend:
Each number represents the EDID validity state for the corresponding memory location.
The status of a deleted EDID returns to ‘0’ after query.
Example
Command
→
Response (EV<type>●
<VALIDITY_TABLE> )CrLf
←
←
←
(EVU 14444444444444444444444444444)
(EVD 10)
(EVE 1)
<type> Response length
U User saved EDIDs 29
D Dynamic EDIDs 2
E Emulated EDIDs 1
Value Description
‘0’ invalid EDID
‘1’ valid EDID
‘2’ deleted EDID
‘3’ changed EDID
‘4’ empty EDID slot
View EDID Header
Description: Shows basic information about EDIDs in the memory.
Explanation: Shows the EDID from memory location U14 which is the EDID saved by the user to the location
14.
Legend: Depending on <loc> the query can be for one EDID or all EDID in the block.
The <EDID_HEADER> is ‘-‘ for invalid EDIDs.
Example
Command
→
{whu14}
Response (EH#<loc>●
<EDID_HEADER>)CrLf
←
<loc> Result Response
Fxx Factory EDID query
header for one EDID
Uxx User EDID query
Dxx Dynamic EDID query
Exx Emulated EDID query
All Factory preset EDIDs headers for all Factory EDIDs
All User saved EDIDs
All Dynamic EDIDs
All Emulated EDIDs
<loc> Result
PNPID code The three letter abbreviation of the manufacturer
Preferred resolution
The resolution and refresh rate stored in the preferred detailed
timing block.
Name The name of display device stored in product descriptor.
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