Lifescan ONE TOUCH BASIC BLOOD GLUCOSE MONITORING SYSTEM Owner's Booklet page 22

If the reading is not within the
printed range, the Meter displays
will read
A 2. 1
Anotok
redo A
Go back to Step 1 and repeat the
Check Strip test. If this message
appears again, clean your Meter
and repeat the test. For further
assistance, call LifeScan Technical
Services.
If you do not obtain an acceptable
Check Strip reading, your last blood
(example)
glucose or Control Solution test
result will appear for 3 seconds the
next time you turn on your Meter,
then
redo A
code 7
will appear, indicating your Check
Strip was out of range at the last
reading.
This message will appear each time
the Meter is turned on until you
obtain a Check Strip reading that
falls in the printed range.
15
(example)