Datavideo SHOWCAST 100 4K Switcher with Built-In Streaming Encoder - Manual (Page 32)

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Color Bar
Mode
There are two modes available on the Luma Keyer. Select Black if the image is on a black background
and white if the image is on a white background.
Cleanup Level
The Cleanup Level allows the user to fine tune the effect of the luma key. The default value is 20.
Transparency
Use this option to adjust the transparency of the overall foreground key image.
PGM
Turning ON PGM applies lumakey to the PGM screen.
PVW
Turning ON PVW applies lumakey to the PVW screen.
3.5 Audio
This option allows the user to configure various audio settings such as muting HDMI output audio,
setting the audio type, selecting your tally type, etc.
Main Sub-Menu Options or Values Default Value
Audio
Mute OFF/ON Off
HDMI Input Input 1-4 / Follow Follow
HDMI Group
Channel 1/2
Channel 3/4
Channel 5/6
Channel 7/8 Channel 1/2
Level Auto / SMPTE / EBU Auto
Tally Mode Normal / Audio Mixer Mode Normal
Audio Delay (ms) 0 – 200 0
Mute
The Mute allows you to turn ON/OFF the embedded audio component at the HDMI-in. The default is
OFF.
HDMI Input
Use this option to select the audio source. Selection of input 1-4 allows the SHOWCAST 100 to play the
embedded audio source. If “Follow” is selected, the audio will enter Audio follow Video mode, i.e.
playback of the audio of the output video.
HDMI Group
The HDMI Group allows the user to assign the HDMI audio channel. The default audio channel pair is
Channel 1/2. You can select any of the four audio channel pairs.
Level
There are two different audio standards available for selection. The user can either select the EBU or
SMPTE standard. By selecting AUTO allows the device to automatically detect the audio standard. When
the image is 50 Hz, the audio follows EBU standard and when the image is 59.94/60 Hz, the audio follows
SMPTE standard.