Nikon F4 Instruction Manual page 105

3.
Compared with regular batteries,
NiCd batteries provide greater effi-
ciencyat low temperatures.
Before charging NiCd batteries,
through ly read the instructions for
batteries and battery charger.
4. When replacing batteries, be sure to
replace all batteries at the same time.
Always use fresh batteries of the
same brand.
Batteries with a
"+"
terminal ex-
ceeding 6mm in diameter cannot
be used.
5. Keep batteries out of children's reach.
105