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With the mode switch In the other position (0), the valid line will pulse low for
each and every code. 200 valid codes will yield 200 low pulses. Normally the
line is held high.
The following shows the progress of receiving five valid codes programmed
for code 4 in mode 1 and mode 0.
MODE1
DATA1
DATA0
VALID
MODE0
DATA3
DATA2
DATA1
DATA0
VALID
ICI16• 7
0
1
0
0
0100b = 4
0
1
0
0
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