Ir Interface - Lightware HDMI-TPS-RX110AY Series User Manual

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4.DeviceConcept
4.6.3. IR Interface
ATTENTION!
For the complete usage attach the supplied IR emitter unit to the IR OUT and the IR detector
unit to the IR IN connectors.
Technical Background
The Infrared signal transmission is similar to the serial data communication. The receiver contains dedicated
IRI/Oconnectionandalsocantransmit/receiveIRsignalviatheTPSinterface.ThesignalisinprontoHEX
format in both cases.
Block diagram of the IR interface
ThemosttrivialusageoftheIRinterfaceisthetransparentmode:signalreceivedorsentonlocalIRports
are transmitted directly on the TPS IR link port and vica versa. Beside of this there is an IR recognizer in the
device where you can assign actions in Event Manager for. The third option is the command injection mode
(like at serial interface in the previous section) where you can send IR commands over LAN. Command
injectionmodecanbeturnedonandoffbyinput/outputports.
INFO:
AllsettingsareavailableintheLDCsoftware,seesettingsintheInfra

INFO: The modulation of output IR signal can be turned off or on by LW3 command, see the
Disable Output Signal Modulation section.
HDMI-TPS-RX110AY series – User's Manual
IR Signal Transmission - Example
Advanced IR Functionality
section.
Enable/
Appliedfirmwarepackage:v1.4.0 | LDCsoftware:v2.4.0b3
The Concept
An IR detector is attached to the Infrared input port of the Receiver and IR signals are sent by the Remote
controller. The Receiver is connected to a compatible Transmitter built with IR output port via TPS line. An
audio device is also connected to the audio output port of the receiver.
Thefollowingwaysareavailableforcontrollingthedevices:
▪ Transparent mode: IR signals are received over the local IR input port of the Receiver by the Remote
controller. The signals transmitted further over the TPS line to the Transmitter which can control the
Blu-ray player via an IR emitter.
▪
Event Manager usage:setanactioninEventManagerthatifthevolumecontrolbuttonsarepressed
on the Remote controller, increase or decrease the volume of the analog audio port of the Receiver. In
this case you can control the audio device via the Receiver remotely. See the details about the Event
Manager settings in the Event Manager section.
DIFFERENCE:
This feature is available only in HDMI-TPS-RX110AY-Plus model.
HDMI-TPS-RX110AY-PluscansendLittle-endianprontohexIRcodesonitsIRoutputport.
Itispossibleinthefollowingways:
▪ WithLightwareDeviceControllersoftware(formoredetailsseeSending pronto hex codes (Little-endian
format) section)
▪ WithEventManager(formoredetailsseeSending pronto hex codes (Little-endian format)
Manager section)
▪ WithLW3protocolcommand(formoreinformationseeSendingProntoHexCodesinLittle-endian
Format via IR Port)
Sending Bigger-endian pronto hex code is also available, see
Format via IR Port.
25
and Event
Sending Pronto Hex Codes in Big-endian