FAFREES FF91, Руководство пользователя

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Set unit
When selecting the "Unit" menu item, press the " " button to confirm
KM/H or MPH.
Set the backlight brightness
When selecting the "Light" menu item, press the " " button to enter this
item, and then the "+" and "-" buttons to confirm the backlight brightness,
ranging from 1-5; then press the " " button to confirm and exit this item.
Set automatic shutdown time
When selecting the "OFF" menu item, press the " " button to enter
this item, and the "+" and "-" buttons will confirm the time, ranging from
0-10 min, where 0 means to cancel the automatic shutdown; press the
" " button again to confirm and exit This item.
Set wheel diameter
When selecting the "Size" item, press the " " button to enter this
item, and then press the "+" and "-" buttons to select the wheel diameter,
ranging from 04-99. In particular, the 27.5-inch display "27.5": press the
" " button again to confirm And exit the item.
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