Operating instructions

tempt to
select a controller through the con-
troller selector for an input/output operation.
The
ECHO alarm light can be turned off only
by depressing the RESET ALARM switch. The
alarm indicates the following conditions:
1.
The selected controller is busy (delay
not programmed).
2. An erroneous address was program-
med, the addressedplug
is not installed.
P54 321 567 8 9 10 11 12 13 14 15 16 17 18 19
I 00 000 000 000 000 000 000
0 I 234 567
8 9 10 11 12 13 14 15 16 17 18 19
A 00 000 000 000 000 000 000
0 I 234 567 8 9 10 11 12 13 14 15 16 17 18 19
RESET
A
iz-[pJ[-q[
ALARM
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MANUAL
E
DECIMAL
MODE
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Figure IV-3. The Control Console
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L
CARD
PUNCH
READY
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ECHO
ALARM
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BK
ONLY
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-I----
CARD
READER
READY
1
-
CARD
READER
E:k:
CLRQ
PUNCH
1
--
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N
REGISTER
READY
AIM