
Press the Code Button. With “Code” and “SEL” appear first,
the flashing code number shows. Press the CODE button to
advance one number until the correct code appears. Press
the button to set the code. The symbol “ ” and “ OFF ”
appear, which indicate that calibration is complet. The meter
will turn off automatically.
A) Calibrate when the meter is off, directly press the
CODE button.
B) Calibrate when the meter has a test strip inserted.
STEP 1. Insert the Test Strip
Start with the meter off. Insert a test
strip into the test slot. LCD displays
“CH” and " " first, the ambient
temperature next, and finally a flashing
code number.
TD-4223
CODE
24
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