Radio Shack TRS-80 PC-3 Owner's Manual page 211

6 Memory overflow error. You have exceeded the momory capacity of the PC-3 Pocket Computer with some com-
bination of programs and data:
10 : DIM B (100, 100)
7 Print format error.
Data cannot be displayed in accordance with the format specified by USING command.
10: USING"
####"
20:
A=
123*20
30: PRINT A
8 I/O device error. An error has occurred in sending information between the PC-3 Computer and another device,
such as the Printer or tape on the PC-3 Printer/Cassette Interface, check the low battery indicator on the PC-3 Printer/
Cassette Interface. Check all the connections.
9 Other. Some other error has occurred which is not one of the above errors. Often this is due to an illegal value:
CHR$ (1)
or a misuse of preallocated variables:
10: A
=
5: PRINT A$
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