McKesson TRUE METRIX PRO Instruction Manual page 18

CAUTION! If Control Test result is outside range,
12. After result is shown, Strip
Release Button flashes. Hold
meter with test strip pointing
down. Press Strip Release Button
to release and discard test strip
into appropriate container. Meter
turns off.
Note: Removing test strip before result displays
cancels the test. An error message appears and
the result is not stored in Memory. Retest with
a new test strip and do not remove before result
is displayed.
test again. If result is still outside range,
system should not be used for testing
blood. Call for assistance (see manual
cover for phone number).
18