User Manual

US.
Patent
May
28,
1996
START
)
DECLARE
ALL
FAULTY
w
87
SWITCHES
UNAVAILABLE
SET
LEVELs
OUTPUT
89
LEVEL-‘I
-/
Sheet
9
of
11
5,521,591
EXAMINE
NEXT
SWiTCH
90
AT
LEVEL
/
92
1/2
OF
UPPER
OUTPUTS
OF
SWITCH
CONNECTED
TO
UNAVAILABLESWITCHES
THAT
HAVE
NOT
EEN
ERASEI
[/2
OF
LOWER
OUTPUTS
OF
SWITCH
CONNECTEDTO
UNAVAILA
BLE
SWITCHES
THAT
HAVE
NOT
BEEN
ERASED
9e
/
DECLARE
SWITCH
UNAVAILABLE
LAST
N0
SWITCH
AT
LEVEL
?
98
YES
LEVEL
=
LEVEL-l
\
IOO
EVEL=-l
?
YES
ERASE
UNAVAILABLE
SWITCHES
FIG.
l5
(
STOP
)