Canon 220EX - Manual (Page 7)

Installing the Batteries
Before
You
Start
Close the battery compart­
ment cover as shown in
the figure.
1^ Battery Cautions
• When replacing batteries, replace all four batteries at one time.
• Although ordinary, non-alkaline batteries (R6 or DM3) may be used, the
number of flashes will be less.
• The contacts of NiCd batteries are not standardized. If you want to use
NiCd batteries, make sure that the battery contacts touch the battery
compartment's contacts securely.
• When you will not use the Speedlite 220EX for an extended period,
remove the batteries.
• In low temperatures, take two sets of fully-charged NiCd batteries and
keep one set warm in your pocket, etc., and use the batteries alternate­
ly-
• If the battery contacts are dirty, the Speedlite 220EX may not operate
properly. Wipe the battery contacts with a cloth and make sure that the
battery contacts are clean before installing.
• Size-AA lithium batteries may be used with the Speedlite 220EX.
I