UK Segboards smart segboard User Manual page 15

hear a single beep , but after a few seconds you will hear another
beep. At that time let go of the power button.
5. You will see the lights flash.
6. You will see all the lights turn off.
7. You will see a slow light sequence flash.
8. When you see the slow flash of the lights demo, calibration
is done. Turn off device.
11. Turn on device as per normal, the Segboard can be used as
normal.
You may need to calibrate the device every so often if you notice a
misalignment. You may also need to calibrate after you crash it into
something as the sensors get knocked and misaligned. We make sure
that we pre-calibrate each of our products before we ship them out, but
during transport the sensors may get knocked about and this may cause
misalignment.