Io 4K Plus Capture, Display, Convert v14.0r2 28 www.aja.com
NOTE: The 4K Transport setting on the SDI Out screen also affects the Io 4K Plus HDMI
output signal, even if the SDI inputs are not being used. A 12G/6G 1-Wire or
SMPTE 2Si setting is required for UltraHD/4K HDMI output. Other 4K Transport
settings will down-convert HDMI output to HD or 2K.
HDMI Output
Select
For UltraHD/4K formats, this pulldown lets you choose:
• Primary – Full 4K or UltraHD format
• 4K Quarter - Down-converts 4K to 2K, and UltraHD to HD.
Audio Ch
This pulldown allows you to select the number of embedded audio channels for
the HDMI output. Two or eight channels can be chosen. Select from:
• 2 Ch 1-2 through 15-16
• 8 Ch 1-8
• 8 Ch 9-16
Audio Ch 3/4 Swap
This checkbox controls HDMI input audio channel placement. Some multi-
channel audio decoder systems route the low frequency effects audio to channel
4, and some to channel 3. If you want to monitor or pass audio though to another
device, this control can be used to align these two channels correctly.
• Checked - (default) HDMI audio input channel 3 is moved to channel 4's
location, and input channel 4 is moved to channel 3's location.
• Unchecked - HDMI audio input retains the original 3 and 4 channel locations.
Protocol
This pulldown allows you to choose:
• Auto Detect - Selects HDMI or DVI depending on signal.
• HDMI - Selects HDMI.
• DVI - Selects DVI. Use when outputting to a DVI monitor using an HDMI to DVI
adapter.
RGB Range
This pulldown lets you configure video output range. Choose from:
• SMPTE
• Full
Color Space
Sets the color space bit depth. Select from:
• RGBA 8bit
• RGB 10bit
HDMI Input
The detected HDMI input video format is displayed and you’re given a chance to
configure the RGB range of the HDMI input.