18
!
on-line/off-line.
❏
.
. 9
. 61
❏ POWER ,
.
❏ LF
.
,
.
.
❏
, off-line ( ON
LINE ).
❏ LF .
, , ,
.
❏
, on-line ( ON
LINE ).
❏ LF.
❏ , ,
POWER ,
.
( )
❏
, off-line ( ON
LINE ).
❏ LF, ON LINE
.