Users can toggle the on or off status of the Keyer button visible on the Navigation panel. Users can also enable or disable any or all of the Hue, Luminance, or Saturation channels on the Function panel.

To make the HLS Keyer status visible on the Navigation panel:

1. Press the Key button once to activate the Key menu, and then press F1 to enable the HLS Keyer channel and activate backlighting to show its enabled status.
2. Double-press the F1 button to disable the HLS Keyer channel.

   The HLS Keyer is disabled in the Lustre application.

   
   

To enable or disable the Hue, Luminance, or Saturation channels on the Function panel:

1. Double-press F1, F2, or F3.