IBM 5100

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In Process
When the system is processing input, generally the display screen is blank and the
IN PROCESS light is on. After the input is processed, the light goes off, the out-
put and flashing cursor are displayed, and the system waits for input.
Notes:
1. For some expressions or user-defined functions (see Chapter 5), output is
generated before th~ expression or function has completed execution. I n such
cases, even though the system is still processing data, the IN PROCESS light
goes
off and the output is displayed. The flashing cursor is again displayed
when the system has finished processing the input (the expression or function
has completed execution).
2. If the display screen is blank (no data or cursor is present) and the
IN PROCESS light is off, check the brightness control before calling
your service representative.
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