Ross Synergy 100 MD, Operator'S Manual

Page: 152 / 402

8–4 • Key Modifiers Synergy 100 MD Operator’s Manual (v7.2 MD-S100)
Inverting Keys
Use the following procedure to invert a key in Key 1:
1. Select a background source on the PGM bus. This provides the background over which
the key will appear.
2. Press KEY1 in the Transition Control Group to preview the key. This step will also
serve to assign the Key bus and Effects Keyers Group to Key 1 .
3. Select a key source on the Key 1 bus.
4. Select either SELF KEY , AUTO SELECT , CHROMA KEY , or PST PATT in the
Effects Keyers Group .
5. Press KEY INVERT in the Effects Keyers Group . The polarity of the current key cut
by the clip and gain values will be inverted.
6. Adjust the Clip and Gain of the key as follows:
• Use the CLIP knob in the Effects Keyers Group to adjust the luminance of the key.
The lower the threshold setting, the more the key is visible.
• Use the GAIN knob in the Effects Keyers Group to adjust the softness of the edges
of the key.
7. Add additional key modifiers as required.
8. Perform a CUT , AUTO TRANS , or move the fader from one limit to the other to take
your key on-air.
This completes the procedure for inverting a key in Key 1.