MuxLab 500437 Quick Installation Manual

Also see for 500437: Quick installation guide

Contents

MuxLab 500437 Quick Installation Manual Manual pdf 2 page image

© MuxLab Inc. 2018InstallationIn order to install the HDMI 4X1 Switcher with Audio Extraction, please follow thesteps below:1. Connect the HDMI video source(s) to the input connector(s) of the switcher.2. Connect the HDMI display equipment to output connector of the switcher.3. Connect the audio receiver to the appropriate audio output connectors of theswitcher (Audio L/R output and/or Optical output).4. Connect the 5 VDC power supply to the switcher first, and then plug thepower supply into an AC power outlet.5. Power on the HDMI equipment and verify the image quality.6. If using ARC, press the “ARC” button and ensure the ARC LED is ON (solidblue). This allows a Smart TV receiving streamed content to return audio overthe HDMI cable back to the 500437 HDMI output port and on to an audiosystem via the 500437 Optical output port.7. There are four HDMI inputs to select from. Press the “Selection” button toselect which input to send to the display. The HDMI Input LEDs will indicatewhich HDMI input is currently selected.8. To extract audio from the selected HDMI input, press the “SPDIF/ARC”button to light the LED. Extracted audio will be available on the Optical port.NOTE: Enabling SPDIF/ARC (SPDIF/ARC LED ON) overwrites theARC functionality and sends extracted audio of the currently selectedHDMI input to the audio system. This will be noticeable if streaming to aSmart TV. For ARC to function correctly, the SPDIF/ARC LED must beOFF.9. Press the Audio button to select the audio mode to be extracted. Three audio modesare supported which set the source audio. The modes are pass-through (audio isunaltered at the source), 2CH (audio is set to 2CH at the source) and 5.1CH (audiois set to 5.1 at the source).10. The following diagram shows the final configuration.TroubleshootingThe following tables describe some of the symptoms, probable causes and possible solutionsin respect to the installation of the HDMI 4X1 Switcher with Audio Extraction.Picture/SoundProbable Cause Possible SolutionNo Image Wiring Check continuityCheck correct wiringNo Image Synchronization Power off the source and the display.Power on the devices.Flickering Image Synchronization Check HDMI cable length and qualityChoppy Sound Synchronization Check HDMI cable length and qualityNoise in image Weak signal Check HDMI cable length and qualityGreen or pink hue Cable Check HDMI cables and replace asrequired.Noisy Sound Compressed bitstream When compressed bitstream is selectedthe analog output (3.5 mm Jack) cannot beused. Set the source to send a LPCMsignal.No audio extraction Cable ormisconfigurationCheck cablingEnsure SPDIF LED is onMulti-Channel not working Sink equipment notsupporting Multi-Channel configurationVerify that the sink device connected tothe HDMI output is supporting Multi-Channel sound configuration.ARC not working Misconfiguration orTV does not support itCheck that the ARC LED is ON andSPDIF/ARC LED is OFF.Validate that the TV supports ARC andthe feature is enabled, plus ensure you areconnected to a HDMI port on the TV withARC capability.If you still cannot diagnose the problem, please call MuxLab Customer Technical Support at877-689-5228 (toll-free in North America) or (+1) 514-905-0588 (International).

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