Tern Vektron MaxDrive System Original Instructions Manual page 9

Headlight
If your light has a mechanical switch, turn it to ON position.
Long-press the Plus Button to turn on the headlight.
When activated, the light icon will appear on the display.
The display backlight will illuminate whenever the Headlight is turned on.
22.
km/h
6
1
TRIP 3O km
Long-press the Plus Button again to turn off the headlight and display backlight.
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