User guide

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Use the Adjustment Knob to adjust the Luma Keying level. You should see the effect on
the output monitor. Set the Luma Keying Level to eliminate as much of the white
background as possible.
Graphics on White Background Graphics overlayed after Luma
Keying Level Adjustment
You can also apply Luma Key Mode 1 to fine tune the overlay. This will start to key out the darker areas of
the overlay.
Press and hold in the Luma button for two seconds, until it stops flashing and is
illuminated constantly red.
Use the Adjustment Knob to adjust the Luma Keying level. You should see the effect on
the output monitor. The darker areas of the overlay will start to disappear. This is really
a fine tune adjustment, if you go too far everything will appear.
Now press the Density (Level) button.
The Chroma Key and Density buttons should both be illuminated red. When using Luma
Key, the Density button has two modes and you will see if you press and hold the
Density button for two seconds it flashes. If the button is constantly red it is in Mode 1,
which adjusts the density of dark colours  If it is flashing it is in Mode 2, which adjusts
the density of light colours. You can use both Modes 1 and 2 to fine tune the overlay
effect.
Use the Adjustment Knob to fine tune the overlay effect. You will see that in Mode 1 the
darker areas gradually become more transparent, and in Mode 2 the lighter areas
gradually become more transparent.
If you need to reset any of the parameters to factory default, simply activate the function
you want to reset by pressing the appropriate function button, and then push the
adjustment knob in; after a second the parameter will reset to factory default .