Crown PSA-2 - Page 101

crown
overload indications. UI00B in turn sets monostable
UIL00A which turns on Q100. Should Q100 be powered,
LED D106 (red) will indicate overload and steal the
operating current from DII1 to extinguish the signal
indicator. This is to make the IOC more noticeable in that
two lights will flash upon its operation. D110 is placed in
series with DIII to insure the extinction of the green
LED when the IOC lights.
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