User manual
Table Of Contents
- Asking for Assistance
- Contents
- Operation Notes
- Introduction
- Connecting the 4x4 Matrix for HDMI w/4 ELR-POL Outputs
- Operating the 4x4 Matrix w/4 ELR-POL Outputs
- RS-232 / IP Control
- Appendix
- Rack Mount Safety Information
- Specifications
- Warranty
- Licensing

33
External EDID Management
The4x4 Matrix for HDMI w/4 ELR-POLfeaturesEDIDManagement.Beforethesource
cansendvideooraudiosignals,thesourcedevicereadstheEDID(ExtendedDisplay
IdenticationData)fromtheoutputdevicesconnectedtothematrix.TheEDIDcontains
informationaboutwhattypeofaudio/videodatathatthesourcecansendtoeachoutput
device.
The4x4 Matrix for HDMI w/4 ELR-POLroutesmultiplesourcestomultipleoutputdevices.
ThisinvolvesreadingEDIDdatafrommorethanonedevice.ManagementoftheEDID
dataisimportanttomaintaincompatibilitybetweenalldevices.
The following EDID features are copied from Output 1:
• SupportedResolutions
• 3DSupport
• AudioFeatures
Display Connections:
• IfadeviceisnotconnectedtoOutput1,thennoEDIDchangesaremade,meaning
thatthepreviousEDIDinformationwillbeused.Thisstatewillbeineffectuntila
displayisconnectedtoOutput1andtheMatrixispower-cycled.
• EDIDisbuiltfromOutput1totheInput.TheaudioblockwillbecopiedfromOutput1.
EDID-copyingisperformedonlywhentheMatrixisresetorpower-cycled.
Dynamic EDID
The4x4 Matrix for HDMI w/4 ELR-POLalsoincorporatesa“dynamic”EDID.Thisfeature
isusefulifdifferentdisplays(differentmanufacturers,differentmodels,etc)areusedwithin
asetup.
WhenaninputissettoDynamic EDID,theinputwillusetheEDIDofthelastselected
outputduringtheroutingprocess.Theorderinwhichoutputsareroutedareimportant
whenusingDynamic EDID.Seepage74and75forinformationonexamplesusingthe
Dynamic EDIDfeature.
OPERATING THE
4X4 MATRIX FOR HDMI W/ 4 ELR-POL OUTPUTS