GVM GVM-PRO-SD400B - Page 12

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Battery slot
Power input inter
face
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t
t
er
yneedst
obepur
chasedsepar
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t
ely)
7
There are two power supply modes to choose from:
①Use the AC power cord for power supply.
② Use two V button batteries for power supply.
(Batteries must be inserted into both battery slots to provide power, and the
power is halved when using batteries.)