Gasboy SERIES 1000, Operation Manual, Page: 55 / 241

Card Validation Commands
05/29/03 6-7
Invalidate a Range of Cards
1. At
the
*
prompt, type IC. The system displays: ENTER NO.:
2.
Type the first card number in the range to be invalidated, followed by a hyphen.
3.
Type the last card number of the range to be invalidated and press RETURN. If at least one
card was previously valid, the system displays: INVALIDATED, followed by
*
. If all of the
entered cards were previously invalid, the system responds NO. IS INVALID, followed by
*
.
NOTE: If the last number in the range entry is less than the first number, the command is
not executed.
Example:
-'
)28)623
↵
-2:%0-(%8)(