Radio Shack CCR-81 Operation Guide

NM Bad filename
An illegal filename was used. Each filename may contain up to 8 letters and
numbers,
and the first character must be a letter. Optional extensions of up
to 3 characters, passwords of up to 8 characters, and a drive specification
may be added. Examples of legal filenames:
ADDITION
SUBTRACT/P12
DIVISION/N5.PSWD
MULTIPLY/Kl.PWD:0
RN Bad record number
A record number that is smaller than or greater than the number allowed
was
used (random access files).
UE Undefined error
An error which the system cannot identify has occurred.
UF Undefined user function
The function used was not previously defined with a "DEFFN" statement.
WP Disk write protected
The diskette is write protected with a write-protect tab.
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Radio Shack CCR-81 Specifications

General

Brand	Radio Shack
Model	CCR-81
Category	Desktop
Language	English