Clearing The Display And Resetting The Computer; Operation Modes - Radio Shack PC-2 TRS-80 Owner's Manual

(~)
Clearing the Display and Resetting the Computer
The PC-2's Display may be cleared at any time (except during program execution when the BUSY Indicator is on)
si mply by pressi ng the (CL) clear key.
Pressing
(SHIFT)
(~)
(e.g., CAl will reset the Computer. Resetting the Computer by pressing
CID
,however,
does not mean that the PC-2 will erase all programs and set all variables equal to zero as with most TRS-80's. All
it means is that the Display and the memory "stack" will be cleared.
To clear all variables (set them equal to zero), type CLEAR
(ENTER) .
If you want to erase all programs in memory
go to PROgram Mode and type NEW
(ENTER) .
Don't forget that you can also reset the PC-2 by pressing the ALL RESET Button on the rear panel of the
Computer. You may need to do this if the PC-2 ever "hangs up" and doesn't recognize any keyboard input. Use
a ball-point pen to press ALL RESET (and
(ON) )
for about 15 seconds. The message: NEWO?: CH ECK will appear.
Press
(CL)
or
(ON)
to return to the Ready prompt (
> ).
(MODE)
Operation Modes
The PC-2 uses three modes of operation .
• PROgram Mode in which you write and edit BASIC programs.
• RUN Mode in which you can run (execute) BASIC programs or use the PC-2 as a powerful calculator.
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