User's Manual

Performing a Downstream Luma/Linear Key
To set up a luma/linear key on downstream keyer 1 on the software control panel:
1 Select the downstream key 1 palette.
2 Use the drop down controls labeled fill source and key source to specify the fill and key
sources. If performing a luma key, select the same source for both fill and key.
3 Adjust the key parameters to refine the key.
Downstream Keyer Settings
To set up a luma/linear key on downstream keyer 1 on the broadcast panel:
1 Press the DSK 1 TIE button to enable the downstream keyer on the preview output.
TheM/E 1 system control will dynamically navigate to the DSK 1 menu. You can manually
navigate to the DSK 1 menu by pressing HOME > DSK KEYS > DSK 1.
2 The destination display will say DSK1 fill on the On the ATEM 1 M/E Broadcast Panel.
Select the fill source on the select bus.
3 On the ATEM 2 M/E Broadcast Panel, hold down the DEST SHIFT button and select
the key source on the select bus. On the ATEM 1 M/E Broadcast Panel, hold down the
CUT/FILL button so the destination display says DSK1 cut and select the key source on
the select bus.
If performing a linear key, select the same source for both fill and key.
4 Adjust the clip and gain controls to refine the key or press the pre-mult button for
pre-multipled keys. The clip and gain controls are not available for pre-multipled keys.
159Operating your ATEM Switcher