Lifescan One Touch Basic Plus Diabetes Monitoring System Owner's Booklet page 65

MESSAGE
code--
PROBLEM
The meter requires a
test strip code (found
on the test strip vial) to
operate. (Note: This is
not an error message
when the meter has
not yet been coded.)
58
WHAT TO DO
Use the C button to reset
the meter code to match
the test strip vial code.
You should also check all
of your meter option
settings to be sure they are
correct. (If this continues
to happen, there may be a
problem with your meter.
Call your authorized
LifeScan representative.