Vivitek D820MS - Manual (Page 15)

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S
ETUP AND
O
PERATION
Inserting the Remote Control Batteries
1.
Remove the battery compartment cover
by sliding the cover in the direction of
the arrow.
2.
Insert the battery with the positive side
facing up.
3.
Replace the cover.
Caution:
1. Only use AAA batteries (Alkaline batteries are recommended).
2. Dispose of used batteries according to local ordinance regulations.
3. Remove the batteries when not using the projector for prolonged periods.