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4.3 B
ATTERY
I
NSTALLATION
................................
................................
4.4 B
ATTERY
C
HARGING
................................
................................
4.5 C
ARE AND
M
AINTENANCE OF THE
B
ATTERY
................................
4.6 S
WITCH THE DEVICE ON AND OFF
................................
................................
4.7 A
NSWER A
C
ALL
................................................................
................................
4.8 E
ND A
C
ALL
................................................................
................................
4.9 M
AKE A
C
ALL
................................................................
................................
4.10 C
ALL
W
AITING
................................................................
................................
4.11 G
ROUP
C
ONVERSATION
................................
................................
4.12 W
RITE
T
EXT
................................................................
................................
4.13 K
EYPAD LOCK
(
KEYGUARD
) ................................
................................
5 FEATURES ................................................................
................................
5.1
P
HONEBOOK
................................................................
................................