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LED indication function (HL, HLED)
Activating
signal
LED
Acknow.
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When an acknowledgment is performed, all indications that appear before the indica-
tion with higher priority has been reset, will be acknowledged, independent of if the low
priority indication appeared before or after acknowledgment. In figure 167 is shown the
sequence when a signal of lower priority becomes activated after acknowledgment has
been performed on a higher priority signal. The low priority signal will be shown as ac-
knowledged when the high priority signal resets.
Activating
signal GREEN
Activating
signal RED
LED
Acknow.
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If all three signals are activated the order of priority is still maintained. Acknowledg-
ment of indications with higher priority will acknowledge also low priority indications
which are not visible according to figure 168.
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