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US. Patent
Feb. 15, 1994
FIG. 5
Sheet 5 of 6
< PORT ACTIVITY I
II
[500
DISPLAY MAIN
MENU ON SCREEN
GET INPUT LINE
FROM KEYBOARD
REQUEST TO UPDATE
[51D
DISABLE RECEIVE UNIT
I512
DISPLAY ADDRESS
‘
TABLE MAINTENANCE
MENU
[514
GET -
OPERATION REQUEST
FROM KEYBOARD
ADD, CHANGE,
DELETE, OR DISPLAY ‘
ADDRESS TABLE
PER INPUT REQUEST
YES 1520
UPDATE OFFICIAL
ADDRESS TABLE
I
{522
ENABLE RECEIVE UNIT
524
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