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Light Source Operation
D20980.022 Rev C CV-LS User Manual Page 46
Save Current Settings
Once you have the state of the device to a point you would like to restore on power up, hold the button
for 6 to 10 seconds to “Save Current Settings”. Upon next power up of the unit, it will return to the last
saved settings.
Single Channel Devices
Single channel devices, such as the Cool White (A20980/6000K) and Warm White (A20980/3000K), have
three operational modes:

Home (0% knob position): This mode limits the fan to its minimum speed, and the LED output to
70% of maximum. This is the default mode, and can be used in any setting where low noise and
vibration from the fan is critical. In this mode, the unit should not be used in an ambient
temperature above 25C. Operating in this mode only, the unit complies with Class B Radiated
Emissions limits.

Industrial (50% knob position): This mode limits the fan to 25% of its maximum speed, but
increases light output to 100% of maximum. This mode can be used when more light output is
needed, but with slightly higher fan noise and vibration. In this mode, the unit should not be
used in an ambient temperature above 25C.

Heavy Industrial (100% knob position): This mode allows the fan to run at 100% of its maximum
speed, and allows light output to 100% of maximum. This mode offers the most cooling of the
LED and will allow the unit to operate up to its maximum operational temperature of 45C. It will
also extend the life of the LED at cooler ambient temperatures.
Quad Channel Devices
Quad channel devices, such as the RGBW (A20980/RGBW) have 6 operational modes. The mode
descriptions below will be referencing the RGBW units, but can apply to any custom combination of four
channels. Channel 1 is selected by default.

Common Channel (0% knob position): This mode sets a scalar that is applied to all 4 channels.
This mode is used to dim a channel mixture set by the other modes.

Channel 1 (20% knob position): This mode controls the Red channel and sets its intensity.

Channel 2 (40% knob position): This mode controls the Green channel and sets its intensity.

Channel 3 (60% knob position): This mode controls the Blue channel and sets its intensity.

Channel 4 (80% knob position): This mode controls the White channel and sets its intensity.

Demo (100% knob position): This mode cycles through every combination of Channels 1-3 (Red,
Green, and Blue) to demonstrate all the possible colors that the unit can generate.