Upload Edid Content To A Location; Delete Edid From Memory - Lightware DVI-OPT-TX220-Pro User Manual

7.2.7. Upload EDID content to a location

Description: EDID hex bytes can be written directly to the user programmable memory
locations.
Sequence
Step 1. Prepare the extender to accept EDID bytes to the specified location <loc> with
Step 2. Extender responds that it is ready to accept EDID bytes with (E_L_S)CrLf
Step 3. Send 1 block of EDID (1 block consist of 8 bytes of hex data represented in ASCII
Step 4. The extender acknowledges with response (EL#<num>)
Step 5. Repeat steps 3 and 4 to send the remaining 31 blocks of EDID (32 altogether)
Step 6. After the last acknowledge, the extender indicates that the EDID status changed by
Command {WL#<loc>}
Response (E_L_S)CrLf
Command {WB#1●<B1>●<B2>●<B3>
Response (EL#<num>)CrLf
Command {WB#2●<B9>●<B10>
Response (EL#<num>) CrLf
Command {WB#32●<B249>●<B250>
Response (EL#<num>) CrLf
Response (E_S_C) CrLf
Legend: <num> represents the sequential number of every 8 byte part of EDID. <num> is
between 1 and 32. <B1>..<B256> are the bytes of EDID.
Explanation: Full EDID uploaded to memory location U3.
Info: The uploaded EDID content is checked and saved only if it is a valid EDID.

7.2.8. Delete EDID from memory

Description: Clear EDID from memory location <loc>.
Command {DE<loc>}
Response (DE_OK)CrLf
Explanation: All user EDIDs are cleared from memory.
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command {WL#<loc>}
format) with command
●<B7>●<B8>}
sending (E_S_C) CrLf
Format
●<B4>●<B5>●<B6>●<B7>
●<B8>}
●<B11>●<B12>●<B13>
●<B14>●<B15>●<B16>}
●<B251>●<B252>●<B253>
●<B254>●<B255>●<B256>}
Format
(E_S_C)CrLf
{WB#<num>●<B1>●<B2>●<B3>●<B4>●<B5>●<B6>
Example
→ {WL#U3}
← (E_L_S) CrLf
→ {WB#1 00 FF FF FF FF FF FF 00}
← (EL#1) CrLf
→ {WB#2 38 A3 8E 66 01 01 01 01}
← (EL#2) CrLf
→ {WB#32 36 59 42 0A 20 20 00 96}
← (EL#32) CrLf
← (E_S_C) CrLf
Example
→ {DEU*}
← (DE_OK)CrLf
(E_S_C)CrLf
Section 7. Programmer's reference