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Sharp COMPET CS-363 Series Instruction Manual page 74

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4. Indications
Display tube is composed of numeral part. sign part and instruction part According to the
mode of program switch. the contents of display will vary.
Program switch
Numeral part
Sign part
Instruction part
PRO -
Step counter
Error indication
Instruction
N-
x register
Minus. error indication (Not displayed)
CHE-
Step counter
Error indication
Instruction
-
-
-
-
DEB-
x register
Minus. error indication Instruction
A-
x register
Minus. error indication Instruction
(a)
Step counter
In "PRO" and "CHE"
mode.
program step number is displayed on the numeral
part. Since No.4 memory is used as step counter. if program is stored in "PRO"
mode or
@J
key is operated in "CHE" mode. No.4 memory lamp...t:run! on.
However. No.4 memory is used for program
calculation.
(b)
Error indication
In the following cases of programming. the overflow error is detected.
When instruction is stored in 145th step
When 145th step is checked
When 145th step is read out
When the contents of magnetic card and program are compared and do not
agree.
When program switch is set at "N" position and card control key is operated.
When the overflow error is detected. all keys except
IQ
key are electronically locked.
the overflow error lamp turns on and the displayed numbers turn off.
Reset an overflow error by touching
IQ
key. When an overflow error is detected in
programming ("PRO" mode). resets the overflow error by touching
IQ
key and not
stored clear instruction.
I n this case. returns the program step to the first (zero) step at the same time that the
overflow error is reset.
(c)
Instruction
In the modes other than "N" mode. the instruction for each step of the program is
indicated by the symbols given in the following table. (In "A"
mode.
only "Halt" or
"Start" instructions are shown in the display.)
69

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