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2.
SECTION VIII.
OPERATOR'S CONSOLE
Control Mode -
If
the STOP indicator is illuminated, the console operates
as a control panel which utilizes the typewriter keyboard for direct access
to main and control memory.
The typewriter produces a printed record of
all memory entries and displays.
3.
Logging Mode -
If
the L key is struck with the TYPE indicator extinguished
and the carriage returned, the console operates as a logging typewriter under
manual control.
In this mode, the console is logically disconnected from
the central processor.
Operator-initiated manual typeins and typeouts can be performed only when the system is
in the STOP mode.
However, logging can be performed while the program is running, but only
at the risk of delaying the program, since the typewriter is not available to the program while
the console is in the logging mode.
In Figure 8-1, the functions of the power controls, SENSE switches, ADDRESS MODE,
SYSTEM CLEAR, INITIALIZE, RUN, and STOP button'S are exactly the same q.s those of the
corresponding controls on the central processor control panel.
Note that these controls pro-
duce no printed record.
The functions of the PARITY, VOLTAGE, FAN, EXTERNAL, PRO-
GRAM, and CB indicators are also the same as described on page 2-12 for the central processor
control panel.
The function of the TYPE indicating push-button is described on page 8-12.
SYSTEM
INTER-
TYPE
CLEAR
RUPT
[SJ@]~
ADDRESS MODE
DO
STOP
INIr'Z
RUN
D~[3
SYSTEM
ACTIVE
DDDD
4
SENSE
3
2
EXTERNAL
PROGRAM
L'ON' ""'" ON"
WHEN ILLUMINATED
VOlTAGE
PAR I TY
SYSTEM POWER
AC ON
AC OFF
DD
RE SET
DC ON
DC OFF
DD
FAN
CB
NOTES:
1.
SYSTEM CLEAR and INITIALIZE are non-illuminating push-buttons.
2.
SYSTEM ACTIVE flashes during PCB and PDT instructions. Illumina-
tion is neither fully bright nor fully extinguished, but modulates de-
pending on frequency of peripheral instructions.
A continuously dark
or illuminated condition indicates program or equipment difficulty.
Figure 8-1.
Type 220-3 Console Control Panel
8-4
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