4K HDMI Switcher 4x1
PTN Electronics Limited 5 www.PTN-electronics.com
Note:
All utilized devices including the HDMI cable should support Audio Return
Channel functionality when connected to Audio Return Channel-enabled devices.
3.5 Application
WUH4A has a good application in various occasions, such as computer realm,
monitoring, conference room, big screen displaying, television education, command &
control center and smart house etc.
4. System Control
4.1 Front Panel Control
SOURCE/AUTO button on the front panel can be used to change input source and
switch mode.
Switch input source: Press the button to switch circularly among input 1~4, the
corresponding indicator illuminate green synchronously for easy recognition.
Change switch mode: Input signal supports auto-switch and manual switch. Press
and hold
SOURCE/AUTO
button for
3 seconds or more
to switch between the two
modes. (Default: Manual switch.)
In auto-switch mode, source selection abides by the following principles:
New input principle
Once detecting a new input signal, WUH4A switch to this new signal
automatically.
Power rebooting principle
Once rebooted, WUH4A will automatically select input 1 as input source even
though there is no connection in input 1.
Signal removing principle
Once removed the current display signal, WUH4A will detect all input signals with
HDTV
Speaker
Speaker
WUH4A
ARC Audio
：
