6. Perform a selftest.
My screen appears distorted
The screen may appear distorted or have a “rainbow” appearance if you are wearing polarized sunglasses, are in bright sunlight, or in extreme high or low temperatures. If your screen appears distorted:
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take off your sunglasses
move into the shade
make sure your pump is not in direct heat (example: next to a heater) or cold (worn on the outside of your clothing on a very cold day) temperatures.
Do not return the pump; this is a normal property of this type of screen on any device.
