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CPP100
SECTION 4
CPP1OPS
25/10/06
www.snellwilcox.com
Version 1 Issue 6
4.2
Card Edge Functions
Decoder Card -D
The upper card is the decoder. The LED will
illuminate if there is a loss of syncs on the analogue
input
Noise Reducer
The right hand pair of LEDs indicates the condition of
CPU A. The GREEN LED flashes when the CPU is in
normal operation. The RED LED illuminates on
power-up and if an internal error occurs.
Similarly the left-hand pair of LEDs indicate the
condition of CPU B.
If for any reason the menu system should hang the
CPU can be restarted with the CPU RESET switch.