atem_set_usk_on_air
Control upstream keyer visibility on ATEM switchers to enable or disable picture-in-picture, chroma key, luma key, and DVE effects during live production.
Instructions
Put an upstream keyer on or off air on a specific ME bus. USKs are used for picture-in-picture, chroma key, luma key, DVE effects, etc.
Args:
me (number, optional): Mix Effect bus (default: 0 for ME1)
usk (number): Upstream keyer number (0-based, 0 = Key 1)
onAir (boolean): true to put on air, false to take off air
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| me | No | Mix Effect bus (0=ME1) | |
| usk | Yes | Upstream keyer number (0-based) | |
| onAir | Yes | true = on air, false = off air |