Radio Shack TRS-80 PC-3 Owner's Manual page 206

CHAPTER 10 TROUBLESHOOTING
This chapter provides you with some hints on what to do when your Radio Shack PC-3 Pocket Computer does not do what you
expect it to do. It is divided into two parts - the first part deals with general machine operation, and the second with BASIC
programming. For each problem, there are a series of suggestions provided. You should try each of these, one at a time, until
you have fixed the problem.
If:
You turn on the machine but there is nothing on the
display.
There is a display, but no response to keystrokes.
You have typed in a calculation or answer and get no
response.
Mach ine Operation
Then You Should:
1. Check to see that the slide switch is set to R UN, PRO, or
RSV.
2. Push the
~
key to see if AUTO POWER OFF has been
activated.
3. Replace the batteries.
1. Press
@
key to clear.
2. Press
@ (
(SHIFT)
@)
to clear.
3. Turn OFF and ON again.
4. Hold down any key and push RESET.
5. Push RESET without any key.
1. Push
(ENTER).
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