Spark Bikes Spark X - Display Unit and Brightness

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- Kilometer/Mile
The symbol for kilometer/mile is S7, press up/down button to switch between kilometre
or mile and press the power button to choose your preference
- Backlight brightness
The symbol for backlight brightness is bL1, press up/down to select from 1- darkest to
5- brightest. Push the power button to choose your preference
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