Eschenbach headlight LED Mode D'emploi page 21

Operation
Press the on/off button (o) once to turn on the light. Press this but-
ton again to turn the light to a lower level (Eco mode). Press it again
to turn off the headlight LED. If the battery power becomes very low,
the light starts to flicker. Switching over from full to Eco-mode is no
longer possible.
On the back of the battery case you will find a cable retainer (s) for
storing the connecting cable (i) when not in use.
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