Canon 550 EX - Manual (Page 10)

1. Installing Batteries
Speedlite 550EX requires one of the following two types of batteries:
(1) Size-AA alkaline batteries
× 4
(2) Size-AA nickel-hydride batteries
× 4
Slide the battery compartment cover
as shown by the arrow and flip it up.
Insert the batteries with the + and –
contacts oriented as shown in the
battery compartment.
10
Close the battery compartment cover
as shown in the figure.
1
2
3
1
1
2
2
02. F073-E (9~) 02.4.1 2:08 PM Page 10