Sure Petcare SUR101 Schnellstartanleitung Seite 6

Batteries
Always use four good quality 1.5V LR14 alkaline "C" cell batteries to be sure of the
best performance.
The battery indicator light (next to the LCD screen) will flash red when the
batteries are running low.
The pet door has two battery compartments, one on each side of the product.
Remove the battery covers from both sides
Whilst holding the first battery in place, slot the
second battery in the space below, making sure
the +/- symbols are at the correct orientation.
6
of the pet door.
Insert the first battery into the compartment
with the negative end facing up. Push this
battery upwards into the compartment and
hold it there.
Once both batteries are inserted they should
fit snugly into the compartment. Now replace
the battery cover and repeat the process
on the opposite side.