LED Calibration

Select a device to send test pixels to when clicking edge toggles
Total number of LEDs on the physical strip. Set to 0 to use the sum from calibration. If your strip has LEDs behind the TV that are not mapped to screen edges, set the exact count here and they will be filled with black.
0 / 0
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Distance from physical LED 0 to the start corner (along strip direction)
Number of LEDs to turn off at the beginning of the strip (0 = none)
Number of LEDs to turn off at the end of the strip (0 = none)