HP 250 Operating page 40

HP 250/35 Integral Workstation
Execute
Key
This key executes the current line or expression in the
display. For example, if you typed in the following
sequence:
then the value of the line is computed and output on the
display.
Halt Key
This key halts a program at the end of a current
operation. Unless overridden by the program, pressing
the HALT key stops the program, and the next program line
to be executed is displayed. Pressing the HALT key is
not a normal way to stop a program, and may require
reloading the program to resume operation.
You should note that if you are sending output to an HP
2601 printer, it may continue to print for a period of
time even though you pressed the HALT key.
Press SHIFT HALT to stop the current program from
executing and all Input/Output operations.
Press CONTROL HALT to abort all operations and clear the
user work area.
IMPOR TANT
You should use the HALT key with
discretion. Data may be lost
by halting a program.
3-21
HP 250/35 Integral Workstation
Execute
Key
This key executes the current line or expression in the
display. For example, if you typed in the following
sequence:
then the value of the line is computed and output on the
display.
Halt Key
This key halts a program at the end of a current
operation. Unless overridden by the program, pressing
the HALT key stops the program, and the next program line
to be executed is displayed. Pressing the HALT key is
not a normal way to stop a program, and may require
reloading the program to resume operation.
You should note that if you are sending output to an HP
2601 printer, it may continue to print for a period of
time even though you pressed the HALT key.
Press SHIFT HALT to stop the current program from
executing and all Input/Output operations.
Press CONTROL HALT to abort all operations and clear the
user work area.
IMPOR TANT
You should use the HALT key with
discretion. Data may be lost
by halting a program.
3-21