8.3 Light
sensitive : The location of speed display symbol bL0, press UP/DOWN
button display symbol 0~
5 , 0 indicate automatic headlight/backlight OFF. 1~5 indicate
automatic headlight/bac
klight ON. 1 indicates the brightest on (auto turn on the
backlight at bright envi
ronment), 5 indicates the darkest on (auto turn on the backlight at
dark environment).
8.4 Backlight
brightness : The location of speed display symbol bL1, press
UP/DOWN
button display symbol 1~5 to change the brightness of the backlight.
8.5 Buzzer
on/off : The location of speed display symbol bEP, press UP/DOWN
button rot
ate display symbol 0/1, 0 indicates buzzer off, 1 indicates buzzer on.