Vinten Vision 100 Operator's Manual page 16

Install the battery (11.2)
stowed.
Refit the battery cover (11).
Press the switch (13) and ensure that the balance mechanism digital display (14), the level
bubble (15) and the drag knob scales
(6)
(15)
(14)
(13)
in the battery sleeve (11.3), ensuring that the wiring is neatly
(6)(12) are lit for approximately 15 seconds.
Battery replacement
(11.3)
(11.2)
(11.1)
(11)
(12)
16