Ducati MONSTER 620 2002 Manuel D'utilisation page 91

Left switch (fig. 11)
1) Dip switch, light dip switch, two positions:
position = low beam on;
position = high beam on.
Note
This device is not fitted on the Australia and Japan
versions.
2) Switch = 3-position turn indicator:
centre position = OFF;
position = left turn;
position = right turn.
To cancel turn indicators, return switch to central position
and push in.
3) Button = warning horn.
4) Button = passing.
E
fig. 11
19